【经验】在开关电源设计中如何正确选择PTC热敏电阻

2018-04-11 世强
PTC热敏电阻,250R145,Littelfuse PTC热敏电阻,250R145,Littelfuse PTC热敏电阻,250R145,Littelfuse PTC热敏电阻,250R145,Littelfuse

PTC热敏电阻是一种典型的具有温度敏感性的半导体电阻,超过一定的温度时,它的电阻值随着温度的升高呈阶跃性的增高。在电子电路中出现的异常过流时可以自动保护,故障解除后即可自动恢复,也叫做自恢复保险丝。图1所示为PTC在开关电源中的应用:

1PTC在开关电源中的应用


在电子电路中选用的PTC热敏电阻是否合适,决定了该电路在过流故障发生时能否有效的进行保护。选型主要依据以下几点:

1、  确认电路中的最大正常工作电流;

2、  PTC热敏电阻正常工作时的环境温度;

3、  电路的保护电流值;

4、  最大工作电压。


下面我们以一款LITTELFUSE公司的PTC(型号为250R145)为例,介绍在实际应用中如何进行参数计算和产品选型。


假定开关电源输入电压为220VAC,输出电压15V,输出电流1.2A。当输出电流出现异常过流时,输入电流约为300mA,环境温度最高50℃。根据上述条件,为开关电源选择一款合适的PTC,实现输入端过流保护功能。步骤如下:

1、  确定最大工作电压

开关电源输入电压为220VAC,考虑电网电压波动,最大输入电压设计为220V*1+10%=242V,因此选择最大工作电压为250VACPTC热敏电阻。


2、  确定PTC维持电流

开关电源输出功率为15V*1.2A=18W,按照80%的效率计算输入功率约为22W,此时输入电流为100mA,当环境温度最高为50℃时,PTC维持电流应大于100mA


3、  确定PTC动作电流值

考虑PTC热敏电阻在环境温度为25℃时,其过流输入电流大概300mA,动作时间不超过5分钟。如图2所示。


2PTC动作电流范围


4、  确定PTC额定零功率电阻R25

PTC热敏电阻安装在开关电源输入端,应该消耗尽量低的能量。因此,PTC本身的电阻值要尽量低,在PTC热敏电阻上产生的压降应小于整体压降的1%,即:

R25220V*1%/100mA=22Ω


根据以上计算分析,可以选型Littelfuse250R145,其最大工作电压为250VAC,在环境温度为50℃的维持电流为110mA,过流故障时动作电流值为290mA25℃时的电阻最大不超过14Ω,满足上述开关电源的参数要求,可以很好地实现过流保护功能。

授权代理商:世强先进(深圳)科技股份有限公司
技术资料,数据手册,3D模型库,原理图,PCB封装文件,选型指南来源平台:世强硬创平台www.sekorm.com
现货商城,价格查询,交期查询,订货,现货采购,在线购买,样品申请渠道:世强硬创平台电子商城www.sekorm.com/supply/
概念,方案,设计,选型,BOM优化,FAE技术支持,样品,加工定制,测试,量产供应服务提供:世强硬创平台www.sekorm.com
集成电路,电子元件,电子材料,电气自动化,电机,仪器全品类供应:世强硬创平台www.sekorm.com
  • +1 赞 0
  • 收藏
  • 评论 242

本文由zyliuliu提供,版权归世强硬创平台所有,非经授权,任何媒体、网站或个人不得转载,授权转载时须注明“来源:世强硬创平台”。

评论

   |   

提交评论

全部评论(242

  • 白夜追凶 Lv3 高级工程师 2018-11-29
    目前氮化铝的介电损耗最低能做到多少?
    • 教主回复: 氮化铝材料在1MHz的损耗角正切值为7~20*10-14,供参考

      查看全部1条回复

  • 活影忍者 Lv7. 资深专家 2019-01-24
    学习了!
  • 刀无影子138 Lv6. 高级专家 2019-01-24
    学习了,文章不错
  • 文定 Lv5. 技术专家 2019-01-24
    学习
  • 文宣 Lv7. 资深专家 2019-01-22
    学习了
  • 李晓龙 Lv8. 研究员 2019-01-21
    学习了
  • 菲娜樱子 Lv8. 研究员 2019-01-21
    学习了
  • V766 Lv7. 资深专家 2019-01-20
    学习了
  • Mbe Lv7. 资深专家 2019-01-19
    学习
  • naix Lv4. 资深工程师 2019-01-16
    很好
展开更多评论

相关推荐

【经验】如何使用NTC设计开关电源的过温保护电路

在开关电源设计中,温度是一个非常关键的性能指标。这是因为芯片中往往集成了高电压和大电流的功率开关电路,会产生很大的功耗。而随着功耗的增加,芯片的温度变化也会较大。过高的温升将会导致对温度敏感的半导体器件(M0S管、三极管),电容等元器件的失效。严重的会造成安全问题。所以具备一个温度保护功能对开关电源来说必不可少。 使用NTC热敏点做做温度保护电路具有成本低,容易调整温度保护点和回差的特点。

设计经验    发布时间 : 2019-03-25

开关电源的维修方法,速速收藏起来!

开关电源坏了怎么办?会修,自己修,不会修,找专门维修的人来修,开关电源在我们生活和工作中可不少见,起到的作用也很大,试想一下没有开关电源的话,电源要一直通着,如果线路受损了,那么就危险了,当然这种情况不会发生,因为不会有没有开关电源这种情况发生。但是当电源出现故障了,如果自己懂得维修,就可以第一时间修了。要怎么修呢?下面来看看吧。

设计经验    发布时间 : 2024-05-16

“望、闻、问、切”,解决开关电源故障

当开关电源出现故障该怎么办?当然是把问题找出来解决掉了。要怎么做呢?小编今天来教大家四个步骤,望闻问切,像中医看病一样,一步一步将问题揪出来,对症下药。那么这四步要怎么进行呢?下面让我们一起来学习学习。

设计经验    发布时间 : 2024-03-15

Littelfuse(力特) 正温度系数(PTC)热敏电阻选型指南

目录- 特性和术语    应用和电路保护典型设计    选择工作表    表面贴装型    径向引线型    轴向引线型   

型号- 30R135UU,72R300XF,1210L075/24PR,30R090UU,600R160-R1UR,1206L025YR,1812L,1812L350SL,1812L010/60DR,0603L050SLYR,2016L075/60,600R160-RAF,72R160XMR,0603L010YR,60R185XMR,1210L150TH,0805L110SLYR,16R1100G,1210L450SLWR,0402L050SLKR,0603L150SL,30R160UPR,1812L020PR,1206L110/12SL,2920L300DR,1206L175SLYR,72R090X,16R400GPR,16VT210SU,0805L260SLTH,1210L175WR,1812L200/12,LORHO,250S130¨CRCDR,30R300U,1812L200/16,16R1000GF,0805L100,16R250GU,20LR450,250R145-RA,2016L075/60MR,30R090,250R145-RAU,0402L020SL,2920L500/16,1206L260SLTHYR,1812L110/33MR,250S130¨CRC,250S130¨CRB,250S130¨CRA,16R135B,60R110XU,250S130V,2920L330/24MR,0603L075SL,0805L110,1206L175PR,250R145-RB,0603L,1206L012WR,16R500GU,24LT100,1812L150/12DR,1812L200/16DR,16R185BU,1210L380SL,600R160-RAUR,250S130¨CRBDR,30R800UH,15ST175U,250R145ZR,600R160F,16R1000G,16R110BPR,1206L380SLTHYR,16R250GPR,250R120-R3U,600R150-RA,600R150-RB,60R250,60R010,1812L075/33,250R120-R3,250R120-R2,250R120-R1,1210L200,1812L260/16MR,30R250UPR,72R135XMR,16R600GDR,1210L400SL,1206L300SLTHYR,30R700UMR,1206L450SL,250R120-RF,1206L200SLYR,250R120-RC,250R120-RA,0603L035YR,250R120-R2U,0603L175SL,1210L300SLYR,16R800GMR,60R375XH,16R110B,1812L190SLPR,16R1100GF,250R120TU,0805L075SLYR,16R1200G,250R120-RFZR,0402L,2920L200DR,2920L300,600R150F,2920L700SL,250R120-R1U,30R700UF,1210L075YR,2920L700SLPR,1210L110/16WR,60R110,1210L175SLYR,0805L010/24,16R600GU,2920L075/60MR,30R400U,60R050X,72R,60R,0402L010SLKR,72R090XPR,1206L050/15,1206L150SLYR,72R185XMR,2920L260PR,72R250XMR,1206L450SLWR,60R010XU,16VT210S,30R185,1812L075/24,1206L110SL,16R700GKLMR,1206L110TH,60R075X,LT SERIES,0603L100SLYR,1812L370SLPR,16R160BU,0805L110SL,60R025XPR,60R160X,0805L200SLTHYR,30R090UPR,2920L260/24,15LR380U,2920L,2920L185DR,16R500GPR,250R120T,60R090XPR,250R120U,30R300UU,1812L270SLPR,60R300X,1812L300SLPR,30R600U,72R075XU,0603L075SLYR,15LR260U,2016L,0402L020SLKR,06R075BU,06SL370GM,1206L075/16WR,1812L260SL,60R020XPR,20LR730,250R180MR,2920L330/24,06R155BPR,06SL190G,72R040XU,16R400G,1210L110THYR,2920L030DR,1812L160PR,2920L260/24DR,1812L075/33DR,1812L260TH,1210L035YR,1812L270SL,16R135BPR,1206L020YR,1206L075/13.2,30R250,0805L200SLTH,1812L050PR,600R150-RBF,0402L035SLKR,30R600UF,1210L350SL,16R300G,1206L075/13.6,72R075XPR,15LR260,15LR380,16R300GPR,30R185UPR,16R700GF,1812L014DR,60R160XMR,250R145U,0805L,1206L075SL,30R090U,2920L150DR,0805L050WR,1206L150TH,1812L200/12DR,0402L035SL,600R150-RAF,250R145T,1206L150SL,72R300XMR,1206L400SLWR,72R160XF,1812L150/24MR,30R500U,72R030XPR,2920L075DR,1206L075TH,1210L010WR,1812L350SLPR,LR,LT,1812L160/12DR,1812L150/24,60R025XU,2920L400/15MR,16R700GMR,0805L150SLYR,72R050XU,30R,16R1100GMR,60R010XPR,60R090,2920L200/24,1206L035YR,250R145-RBU,1206L050/15YR,16R800GF,1812L150/12,2920L400/15,VT SERIES,30R700U,1210L175SL,250R145TZR,0603L020YR,250S130¨CRADR,30R400UF,0805L300SL,1812L020/60,2016L050,1210L260SL,2016L050MR,16R250BU,1210L110/12WR,1812L010/60,06R120BPR,1812L075PR,30R400UMR,72R065XPR,60R135XF,SL SERIES,0805L010/24YR,16R250BPR,1812L370SL,30R160UU,20LR450U,0603L050SL,60R090X,1206L035/16,1210L020WR,1210L110/16,600R160-R1F,0402L010SL,250S130DR,60R185,24LT100U,72R020XPR,1206L150THWR,1210L380SLYR,1206L175SL,16R700GKL,72R300X,2920L050DR,2016L030,60R090XU,1210L110/12,2016L150,250R120ZR,16R185BPR,60R017XPR,1812L75/33,60R110XMR,1206L035/16YR,60R075XPR,60R025X,15ST175,250R180TMR,1812L150ZR,2920L050,1210L005WR,72R375X,1812L260THDR,1812L200THPR,72R050XPR,1812L125/16,12VL175XLU,0805L010YR,30R500UF,1812L75/24,16R700G,16R700GKLF,60R135X,2920L185,60R110X,1210L075,1812L160/12,16R900GF,1812L110,600R150-RBZR,600R,1812L125/6,60R040XPR,250R120-R1ZR,250R120-RFU,16R600G,2920L030,2920L150,30R800U,2016L100,1812L035/30DR,1812L075/24DR,16R135BU,250R120,30R185UU,SL,1812L010DR,2920L125PR,1206L200,1206L050YR,30R185U,ST,0603L150SLYR,1206L380SLTH,60R160XF,72R020X,30R600UMR,1812L300SL,60R050XU,0805L075SL,0805L260SLTHYR,72R250X,06SL370G,30R300,2016L075/060,1210L175,72R020XU,1812L260SLPR,250R180TF,16R1400GH,16R090BU,250R120-RAZR,0805L150SL,1812L050/30PR,30R160U,1210L260SLYR,60R065XPR,0805L020YR,1210L,1206L350SLTHYR,60R017X,1206L075SLYR,1206L110THYR,72R040XPR,2920L250DR,30R500,1210L110TH,1812L110/24DR,250R120-RCU,2016L200,0603L050YR,0805L300SLWR,1812L200,06R155BU,72R250XF,250R145,60R017XU,1812L020/60DR,1812L035/30,0603L050,1812L125/6PR,30R400,1206L400SL,60R030XPR,1210L350SLWR,60R300XF,VL,1206L260SLTH,06R120BU,72R065XU,1812L300MR,1210L400SLWR,VT,1210L450SL,16R,2920L500/16MR,1206L300SLTH,2920L075,250R120-RAU,72R030XU,250S130-RC,250S130-RB,16R110BU,250S130-RA,1812L300,2920L100PR,250S130,30R110UPR,30R250U,1206L110/12SLYR,0805L175SLYR,72R135X,0805L075WR,1206L016,16R500G,1206L150/12SL,0603L175SLYR,30R250UU,30R900U,16R900GMR,72R185XF,16R090B,1206L012,1206L075/13.2WR,600R150-RAZR,72R110X,1210L075/24,72R025X,0805L050,60R065XU,72R075X,1210L300SL,72R160X,0603L020,250R080ZR,72R090XU,1210L200SLYR,250R120TZR,60R185X,0603L025,0805L100WR,06R120B,2920L200/24DR,250R180,30R135U,60R040X,1206L025,06SL190GM,600R160-RA,72R135XF,06R075BPR,1206L020,1210L005,600R160UR,250R145-RBZR,12VL175XL,6

选型指南  -  LITTELFUSE PDF 中文 下载

日本电产集团综合产品目录(Nidec Group Products Catalog)

型号- PM4系列,H300,D SERIES,NRFEIS-5060,DFS,GATS-2000 SERIES,TPI SERIES,GATS-7800 SERIES,R-6100,TVX,GATS-6300,GATS-8600,SX-20,RWI SERIES,ZI20A,GATS-7500系列,LSR-3230,BP100,RSH,GATS-7700 SERIES,K-MC1000,P2H系列,E300,GATS-2000系列,GATS-6300系列,NVM-6060GCP,VL-H系列,GATS-7500,MH3NCV,VL SERIES,GATS-7800系列,SS-SV,DEWE3-A4,TPI,TVX SERIES,RGA20,NRTES-1000 SERIES,FCPL,ΜV1,RSH系列,ZG SERIES,ID300,FMD,TPI系列,GATS-8600系列,S-CART,GATS-6300 SERIES,KS,CM,R-580,SS-SV SERIES,ANEX SERIES,LD SERIES,VP600GC,GE15FR PLUS,MD2,ANEX系列,NRTES-1000,P2H SERIES,FFB,VL系列,LS,RSH SERIES,RVL,VL-H SERIES,RVP,F600,SS-SV系列,S-FLAG,GATS-7500 SERIES,REC-92FT,DEWE3-PA8,ECO-KA,KCV1000-5AX,S-CART-V1000-LFT,RVL SERIES,RVP SERIES,R-700 SERIES,P2H,ZE16C,CPLS,S-CART-V500,HM500S,VM53RⅡ,GATS-7700,ANEX,NRTES-1000系列,HM-X6100,RWI,TVX系列,KA SERIES,S-CART-MINI,GATS-2000,PM4,VL-H,GATS-7700系列,CBZ,GH,GATS-8600 SERIES,R-700,R-5920系列,NRFEIS-3570,DFS SERIES,MVR-HX,MAF130EⅡ,BL-V20,ECO-KA SERIES,SERIES S-FLAG,RWI系列,HE,GATS-7800,R-5920

商品及供应商介绍  -  NIDEC  - 第10版 (10th Edition)  - 2022年12月 (December, 2022) PDF 中英文 下载

FOOD & BEVERAGE PRODUCT CAPABILITIES

型号- KLNR*,FLSR,FLM,JTD_ID,FLNR,FLQ,KLSR*,RLN*,NLS*,LLSRK_ID,LLNRK,AF0500,RLS*,CCMR,JTD,JLS*,LLSRK,NLN*

商品及供应商介绍  -  LITTELFUSE  - Rev: 2-B-060724  - 060724 PDF 英文 下载 查看更多版本

WAGO(万可)自动化控制技术产品总选型指南(英文)

描述- Automobile manufacturers place the highest demands on system availability. WAGO has the knowledge and the products to efficiently secure all production steps.

型号- 790-124,756-5402/060-010,288-895,750-815/325-000,750-979/000-022,756-3206/140-100,750-979/000-021,2759-2246/211-1000,2789,2787,750-461,750-464,750-463,758-940/001-000,750-466,750-465,756-3505/050-150,756-5311/030-050,787-783/000-040,750-468,750-467,750-469,790-113,790-114,790-115,790-116,790-110,756-5402/060-020,790-112,750-979/000-013,750-979/000-011,750-979/000-012,750-451,750-450,750-453,750-452,750-455,756-9301/040-000,750-454,750-457,750-456,750-459,757-343,787-3861/050-000,790-100,2759-242/261-1000,790-101,750-362/040-000,852-1816,790-108,852-1813,852-1812,750-480,750-482,750-484,750-483,765-1103/100-000,750-486,704-2064,750-485,750-489,750-471,750-470,704-2074,750-473,750-471/040-000,750-472,750-475,750-474,750-477,750-476,750-8216/025-001,750-479,750-8216/025-000,750-478,756-5202/030-020,757-363,750-418,756-5301/050-015,762-6301/8000-002,2009 SERIES,704-2044,206-1481,206-1482,2759-266/211-1000,750-466/025-000,756-5508/040-020,756-5312/060-050,750-422,750-421,762-4301/8000-002,750-424,750-423,750-8210/025-000,750-365/040-010,750-425,750-428,750-427,750-408,750-407,706-7753/304-300,750-409,750-636/000-800,750-508/040-000,756-9214/040-000,206-1491,787-878/000-2500,2759-247/211-1000,206-1492,750-554/000-200,756-3505/050-100,765-4503/100-000,750-891,750-890,704-2054,750-893,756-5508/040-010,750-411,750-624/000-001,750-410,757-383,750-412,750-415,750-414,787-3861/800-000,765 SERIES,750-653/025-018,790-144,790-145,706-7753/602-200,704-2024,787 SERIES,765-101/000-000,790-140,2759-207/271-1000,750-923/000-001,787-3861/108-020,756-9211/040-000,790-133,790-134,704-2034,762-5204/8000-001,750-8101/025-000,750-427/040-000,750-431,750-430,750-433,750-432,750-435,750-437,750-436,750-439,750-438,757 SERIES,289-614,2759 SERIES,759-333,248-501/000-024,756-9215/050-000,248-501/000-023,289-611,757-185/100-000,756-5302/030-100,757-265/000-010,206-1441,206-1442,704-2003,247-539,247-538,704-2004,247-537,750-470/005-000,247-536,756-5312/060-015,247-546,810 SERIES,247-545,247-544,247-543,247-542,247-541,247-540,750-614/040-000,757-265/000-005,248-501/000-012,757-483/000-010,2854-302/000-011,206-1451,704-2014,750-482/025-000,756-5507/030-020,750-8217/625-000,248-501/000-017,247-547,249 SERIES,756-5302/050-100,762-5303/8000-002,750-461/000-200,247-552,756-5312/040-015,757-483/000-005,706-7753/306-300,2854-302/000-021,247-519,247-518,247-517,756-5507/030-010,850-826/002-000,247-516,247-515,852-1417,247-514,247-524,247-523,706-7753/300-200,247-522,247-521,787-2742,247-520,787-2744,206-1419,756-5401/030-020,247-529,247-528,249-116,206-118,247-527,249-117,247-526,288-824,247-525,247-535,247-534,756-3504/050-020,247-533,247-532,247-531,247-530,765-4204/100-000,2854-302/000-031,756-5501/030-020,206-1400,756-5401/030-010,206-1403,750-468/040-000,750-484/000-001,756-9207/060-000,850-814/002-000,756-5202/030-010,756-9701/050-000,206-1415,756-5312/040-050,206-1418,206-1411,206-1412,810-901/000-001,206-1413,206-1414,247-509,247-508,247-507,247-506,765-1702/200-000,247-513,750-491,247-512,247-511,750-493,750-502/000-800,247-510,750-492,750-495,852-1411,750-494,750-497,750-496,750-494/025-000,206,750-498,209,750-494/025-001,757-303,765-2704/200-000,247-546/000-006,210,750-1491,852-111/000-001,762-4306/8000-002,750-508/000-800,756-3203/190-050,756-5501/030-010,2687-2142,750-624/020-001,750-624/020-002,2787-2448,210-719,2687-2146,2687-2144,750-491/000-001,852-1305/000-001,852-1411/000-001,210-721,210-722,753-501/000-800,210-720,762-4206/8000-001,765-1504/100-000,756-1202/060-050,756-1250/1013-005,762-5304/8000-002,210 SERIES,756-5112/030-100,750-662/000-004,756-5102/030-050,757-284/000-010,750-8217/600-000,247,757-284/000-005,248,249,753-649,753-648,753-647,753-646,750-630/000-013,756-9201/040-000,750-630/000-011,756-1250/1013-030,750-630/000-012,750-630/000-006,753-652,787-1014,756-1250/1013-020,750-630/000-004,753-650,750-630/000-005,753-655,787-1017,750-630/000-008,750-630/000-009,753-653,750-616/030-000,750-8212/040-010,756-9210/060-000,787-1012,787-1011,756-5302/030-050,750-457/025-000,750-630/000-002,750-630/000-001,756-1250/1013-010,787-1002,247-552/000-017,757-284/000-025,765-1501/100-000,706-7753/302-200,762 SERIES,751 SERIES,787-1001,750-1505,750-1506,787-1664/006-1000,750-1501,750-1502,750-1504,756-5401/050-020,756-1250/1013-050,750-517/040-000,249-197,750-1516/040-000,787-2861/050-000,756-3504/050-050,756-5404/050-010,750-1516,756-3203/190-100,750-1515,753-638,753-635,756-1202/060-020,758-974,288,289,852-230,758-975,2759-204/261-1000,750-455/040-000,787-1021,787-1020,756-5102/030-015,787-1022,762-9315,706-3057/300-100,753-604,753-603,753-602,762-9314,765-1203/100-000,756-3504/050-075,753-612,787-1014/072-000,759-302,756-3205/140-050,750-626/040-000,756-5401/050-010,753-614,756-5312/030-100,247-508/000-005,756-9503/040-000,762-9324,762-9325,753-620,750-439/040-000,756-5404/050-020,756-5311/050-100,704-5074,750-8102,750-8101,750-8100,750-862,756-5301/050-050,852-202,750-653/025-000,756-5301/040-100,2759-2273/211-1000,790-193,756-12

选型指南  -  WAGO  - Edition 2023/2024  - 03/2023 PDF 英文 下载

Littelfuse(力特)温度传感产品选型指南(中文)

目录- 温度传感产品选择指南    温度传感简介    带引脚热敏电阻    表面贴装热敏电阻    热敏电阻探针和组件    RTD探针和组件    镀膜RTD传感器/数字温度指示器    温度传感产品应用   

型号- USP6998,LC系列,USP7765,USP7766,PS系列,JL系列,USP7806,GL系列,KR系列,USP10973,USP10976,USP12755,USP10975,DC系列,DO-34标准型,USP14579,USUR1000,USP10972,GR系列,KT系列,GT系列,RB系列,KX系列,USP12838,USP3121,USP10978,TC系列,USP12836,USP10979,USP12837,USW2295,USP7537,USP16673,USP5510,USW3866,USW2299,MM系列,SETP™,PX系列,LR系列,AC系列,PT系列,USP4261,USP18967,USP17957,USP7570,SB系列,USP4065,USP9728,USP3986,USP8798,PPG,DO-41标准型,USP10680,USP11493,USP11491,JM系列,USP11492,USW2883,USP14439,BC系列,USP10997,GQ系列,KS系列,GS系列,KW系列,TO-220,USP3021,RA系列,USP6295,SM系列,USP8528,USW3483,KC系列,WM系列,HM系列,USP12920,USP10981,DO-35标准型,PW系列,USP10982,USP12840,SC系列,USUG1000,USP3275

选型指南  -  LITTELFUSE  - 修订版:1-A-100821  - 100821 PDF 中文 下载

XGPU2.E183209 - Thermistor-type Devices - Component UL Product iQ®

型号- 30ST200##**## *****##,24LT310,SLT500,24LT180S##**## *****,0805L035## *****####**,1206L075/13.2## *****##**,1812L350SL,1206L050/15## *****,2920L250## *****##**,30R400U ## *****##**,30R700U ## *****##**,1210L450SLTH##,0805L125SL,0805L175SL##,2920L125## *****,0603L004YR## *****,16VT200UL,16R1100G,0402L100SL##*****,1210L110TH## ***** ##**,1812L400SL##*****,0603L150SL,16R600G#### *****,15ST175##**## *****,600R160#### *****,1812L700SL,72R090X,16R700G#### *****,0603L020## *****##,60R110X ## *****##**,250R080##**## *****,0805L260SLTH,20LR550#### *****,L1210L300SL##,1812L200/12,1206L600SL##*****,1812L370SL## ***** ##**,20LR450#### *****,1812L050/30## *****##**,1812L200/16,SLH400,1210L380SL##,0402L010SL##*****,1210L010/90##*****,20LR450,1812L125#### *****,0603L075SL## *****,250S080V##,0402L020SL,2920L500/16,16R185B## *****##**,2920L185#### *****,1210L035/60##*****,2920L030## *****##,24LT100SS#### *****,16VT200##**## *****,30R135SU##*****,12VL230,0805L200SLTH##*****,1812L200/16##,2920L030## *****##**,0603L175SL## *****,250R170-C##,1210L075 ## *****##**,16R135B#### *****,1206L110TH## ***** ##**,1210L200/6SL,250R180CF,2920L150## *****##**,1210L700SL##*****,24LT340,1812L050/60,24LT100,0805L110/8SL##,1812L150/24#### *****,1210L380SL,0805L260SLTH##*****,1210L550SL##,15ST175S,1206L075/13.2#### *****,1210L450SLTH,1210L035/30##*****,16R185B#### *****,1812L260-C,60R040SX##*****,1210L200## *****##**,16R500G## *****##**,30R400SU##*****,1812L190SL## ***** ##**,1210L200/6SL##,250R120-R3,250R120-R2,250R120-R1,0402L050SL##*****,1210L200,250R180##**## *****,16VT210UL## ******,250R120-RF,1812L450SL,250R120-RC,16VT210L,1210L800SL##,250R120-RA,30ST350#### *****,16R900G#### *****,1206L260SL##,0805L020/24SL##*****,1206L020-C## *****,60R400SX##*****,1812L370/12SL,## ***** 250R120-R1#### *****,1812L400SL##,1206L110/16SL##*****,1812L750/12SL##*****,24LT190S##**## *****,0805L260SLTH##,1206L075/16##,1210L260SL## *****,1206L600SL##,16R400SG##*****,16R500G#### *****,1812L800SL,1210L035##,1812L125/6## *****##**,2920L700SL,2920L400/15##,1812L125/6##,0805L200ULTH##,1210L150/16##,1206L175## *****##**,16R900G## *****##**,1206L750SL##,1206L075## *****##**,1812L110TH,0805L010/24,30R400U,2920L600/12,2920L200/24## *****##**,16R160B## *****##**,0805L175UL##,1210L110/16##*****,20LR900##**## *****,1210L035/30,1206L150/16SL##*****,60R040X ## *****##**,06SL190G##**## *****,2920L100## *****##**,2920L150## *****,72R185X#### *****,16VT210S,1206L050## *****##**,1206L075/8#### *****,1812L700SL##*****,2920L125## *****##**,1206L075TH## ***** ##**,2016L050## *****,1206L400SLTH,1210L005/90##*****,0805L260ULTH,0805L100## *****,0805L200ULTH,1812L260/8 ## *****##**,0805L110SL,16VT170##,1812L550SL##,0603L050SL## *****,2920L260/24,1812L150/24 ## *****##**,250R120T,2920L500/16##,1812L500SL,250S080V##**## *****,60R300X,16VT200UL#### *****,2016L200## *****##**,250R145CF,1206L380SL,1206L450SL## *****,1812L150/12#### *****,30R600U,16R250G#### *****,250R120CF-R1,1206L050SL## *****,1206L150SL## *****,1812L650SL##,15LR260S,1812L075## *****##**,2920L330/24##,1206L260SL,250R120-RF#### *****,16R1200G#### *****,600R150-RB#### *****,250R120CF-R2,250R120CF-R3,72R300X## *****##**,250R120CF-RA,2920L330/24,0603L075/8SL##*****,1812L014##,16R300G## *****##**,1812L150TH,0805L075SL## ***** ##**,250R120CF-RF,1812L800SL##,24LT180SS##**## *****,0603L100SL##,## ***** 250R145T#### *****,250R120CF-RC,30R135U ## *****##**,1812L270SL,1206L025/24## *****##**,16R110B## *****##**,0805L260SL## *****,16VT210NL## *****,0805L150/12SL##*****,250R120CFT,1206L075/13.2,1812L260/12##,72R250X## *****##**,0805L200SLTH,0805L010/24##*****,1812L014 ## *****##**,1812L260TH##**## *****,600C150##,0603L075UL##*****,15LT070S##**## *****,250C150##,16R300G,0805L110SL##,06R120B#### *****,1206L100/9#### *****,15LR380,24LT180,1812L200/12##,2920L250## *****,2016L100/33## *****##,1210L650SL##*****,1206L075SL,30R090U,30R135U#### *****,1206L050-C## *****,16VT240##**## *****,16VT175EL##**## *****,0402L035SL,16R700H-S(*****),2016L100## *****##**,250R145T,72R110X## *****##**,1812L050/60##*****,0805L400SL##*****,1812L370SL## *****,1206L350SL##,30R185U#### *****,600R150-C##,0805L175UL##*****,1812L035/60##*****,16R800H-S(*****),24LT190,30ST420##**## *****,1206L016## *****##,1206L075TH,06R075B## *****##**,1812L260/16 ## *****##**,1210L300SL## *****,1812L075-C,1206L200SL## ***** ##**,1812L150/24,1206L020## *****##,1210L550SL##*****,30ST420#### *****,1812L260## ## *****,0603L200SL##,1812L050## *****##**,0805L035## *****##,250R145CF-RB,72R375X## *****##,250R145CF-RA,2920L075/60##,1210L175SL##,2016L300/16##*****,250R170-C,1812L800SL##*****,1812L600SL,1812L110/24## *****##**,16R160B##,1206L075SL## *****,1812L150/15,1812L150/12,60R017X## *****##,2920L400/15,1812L010/60##*****,16R800G#### *****,1812L150/16,1210L175SL,1812L160/12#### *****,1812L260/8,16R300SG##*****,1812L200TH##,24LT100SS##**## *****,0603L300/9SL##*****,600R160-RA#### *****,1812L650SL##*****,600R150-RA##**## *****,2920L300## *****##,1210L260SL,0805L110SL##*****,0603L050##*****,18

测试报告  -  LITTELFUSE  - 2023/10/31 PDF 英文 下载

【应用】交流电机启动绕组交流电流控制采用三端双向交流控制器的解决方案

Littelfuse推出的三端双向可控硅开关的门极开/关控制,取决于整个电阻器上的电压, 因此可控制电机启动绕组的交流电流。三端双向交流控制器的选用取决于线电压、额定负载电流、最大浪涌负载电流和使用的具体触发电路。 三端双向可控硅的标准器件号为Q6006DH3。Alternistor的最小额定电流为6A,最大额定电流为10A,额定电压最低200伏,最高800伏。 PTC热敏电阻亦可用于交流启动绕组

应用方案    发布时间 : 2018-10-05

【方案】4KW便携式高频逆变电焊机优选元器件方案

描述- 本方案采用Littlefuse SIC功率器件、Silicon labs电容隔离驱动、Renesas高压MOSFET和Shindengen片状整流桥等器件组成的高频逆变电路,可将机器工作频率提升到100KHz以上,效率提高到80%左右,同时机器体积可缩小近15%左右。解决了产品效率低、体积大、操作时电焊机移动不方便等问题。

型号- 2SK2225-80-E,LRMAP3920,D50XB80,TFLEX HD300,TPCM780,SMDTF03100QA00MQ00,R5F562TAADFP,LRMAP5930,1.5KE150CA,EKMW401VSN821MA40S,SI8273,SI827X,SGM6130,LSIC1M0120E0080,SI8620,D50JCB80,LSIC2SD120E20CC,250R145,2SK2225,LSIC1MO120E0080

优选器件方案  -  NIPPON CHEMI-CON,RENESAS,SHINDENGEN,LITTELFUSE,LAIRD,SILICON LABS,SGMICRO,WIMA,TT ELECTRONICS  - V1.1 PDF 中文 下载

XGPU8.E183209 - Thermistor-type Devices Certified for Canada - Component UL Product iQ

型号- 24LT310,SLT500,0805L300SLTH##*****,1812L300## *****,600R160## *****,12VL170## *****,1812L110/16## *****,1812L350SL,1206L050/15## *****,250C160## *****,1812L020 ## *****,60R025X ## *****,1210L450SLTH##,0805L125SL,0805L175SL##,2920L125## *****,0603L004YR## *****,1206L075/13.2## *****,16VT200UL,16R1100G,20LR900## *****,0402L100SL##*****,16R250G## *****,1812L400SL##*****,0603L150SL,1812L700SL,72R090X,0805L260SLTH,1812L200/12,1206L600SL##*****,1812L200/16,SLH400,1210L380SL##,0402L010SL##*****,1210L010/90##*****,20LR450,0603L075SL## *****,250S080V##,0402L020SL,2920L500/16,1210L035/60##*****,1210L050 ## *****,30R135SU##*****,12VL230,0805L200SLTH##*****,30R250U ## *****,1812L200/16##,0603L175SL## *****,250R170-C##,0805L100TH##,1210L200/6SL,250R180CF,1210L700SL##*****,24LT340,16R300G## *****,1812L050/60,24LT100,0805L110/8SL##,1210L380SL,0805L260SLTH##*****,1210L550SL##,1206L200## *****,15ST175S,1210L450SLTH,1210L035/30##*****,1812L260-C,1812L150/16## *****,60R040SX##*****,30R400SU##*****,60R090X ### *****,1210L200/6SL##,250R120-R3,250R120-R2,250R120-R1,0402L050SL##*****,16VT200S## *****,1210L200,250R120-RF,1812L260/13.2 ## *****,1812L450SL,250R120-RC,16VT210L,1210L800SL##,250R120-RA,1812L230## *****,1206L260SL##,0805L020/24SL##*****,1206L020-C## *****,30R250U## *****,60R400SX##*****,1812L370/12SL,1812L400SL##,1206L110/16SL##*****,1812L750/12SL##*****,0805L260SLTH##,1206L075/16##,1812L110/24## *****,1210L260SL## *****,1206L600SL##,16R400SG##*****,1812L800SL,1210L035##,16VT175NEL## *****,1210L010 ## *****,2920L700SL,2920L400/15##,1812L260/12 ## *****,0805L200ULTH##,60R040X## *****,1210L150/16##,1206L750SL##,1812L110TH,0805L010/24,30R400U,2920L600/12,0805L175UL##,1210L110/16##*****,1210L035/30,1206L150/16SL##*****,1812L260## *****,2920L150## *****,16VT210S,1812L700SL##*****,2016L050## *****,1206L400SLTH,1210L005/90##*****,0805L260ULTH,0805L100## *****,0805L200ULTH,0805L110SL,1812L550SL##,0603L050SL## *****,2920L260/24,1812L260/16## *****,250R120T,2920L500/16##,1812L500SL,30R300U## *****,60R300X,250R145CF,1206L380SL,1206L450SL## *****,30R600U,30R090U ## *****,250R120CF-R1,1206L150SL## *****,1206L050SL## *****,1812L650SL##,15LR260S,2920L330/24##,1206L260SL,250R120CF-R2,250R120CF-R3,250R120CF-RA,2920L330/24,0603L075/8SL##*****,1812L014##,1812L150TH,250R120CF-RF,1812L800SL##,0603L100SL##,250R120CF-RC,1812L270SL,0805L260SL## *****,12VL175L## *****,16VT210NL## *****,0805L150/12SL##*****,250R120CFT,1206L075/13.2,30R160U## *****,0805L200SLTH,0805L010/24##*****,600C150##,0603L075UL##*****,24LT300## *****,250C150##,16R300G,0805L110SL##,15LR380,24LT180,30ST350## *****,1812L200TH## *****,1812L200/12##,0805L100TH##*****,30R400U## *****,0805L125SL## *****,250R120-RA## *****,72R135X## *****,2920L250## *****,1210L650SL##*****,1206L075SL,30R135U## *****,30R090U,1206L050-C## *****,1812L110TH## *****,0402L035SL,16R700H-S(*****),1812L110/33## *****,250R145T,1210L175## *****,1812L050/60##*****,0805L400SL##*****,1812L370SL## *****,1206L350SL##,600R150-C##,0805L175UL##*****,1812L035/60##*****,16R800H-S(*****),24LT190,600R160-R1## *****,1206L075TH,1210L300SL## *****,1812L075-C,1812L150/24,72R050X## *****,1210L550SL##*****,0603L200SL##,1210L110 ## *****,250R145CF-RB,30R110U ## *****,250R145CF-RA,1210L175SL##,2016L300/16##*****,250R170-C,1812L800SL##*****,1812L600SL,24LT180S## *****,1206L075SL## *****,1812L150/15,16R185B## *****,1812L150/12,30R700U## *****,2920L400/15,1812L010/60##*****,1812L050## *****,1812L150/16,1210L175SL,1812L260/8,16VT240## *****#,16R090B## *****,16R300SG##*****,1812L200TH##,0603L300/9SL##*****,1812L650SL##*****,60R300X ## *****,1210L260SL,0603L050##*****,1206L010/60##,1812L160-C,1812L075/33 ## *****,250R145## *****,72R040X## *****,1812L370SL,250R080CF,1812L260/13.2## *****,15LT070S## *****,0603L050SL,0603L075/8SL##,60R160SX##*****,1210L110/16,60R135SX##*****,16R700SG##*****,30ST420## *****,1812L900SL##,24LT100S##*****,1206L175SL,16VT175L## *****,600C150## *****,0603L150SL## *****,2016L030,1210L110/12,600R160CF,1206L125## *****,60R017X## *****,0805L075SL##,60R030X ## *****,30R600U## *****,2016L030## *****,60R250X## *****,15LT070,1210L075/24## *****,1210L020/72##*****,60R017X ## *****,72R090X## *****,1206L380SL## *****,15ST175,0805L110UL##,0603L200SL##*****,1206L110/16##*****,1210L050/30##*****,3425L300/60##*****,1206L110-C## *****,0603L050/8SL##,0603L075/8SL,72R185X## *****,72R375X,1210L600SL##*****,3425L200/60##*****,1812L075/33## *****,1206L200SL##,16VT175## *****,1812L010##,16R700G,0402L020SL##,1206L300SL,1210L110TH## *****,1210L075,1812L125-C,1210L700SL##,0805L175UL,1812L230,1210L075##,1812L125/6## *****,2016L260/24##*****,1812L125/6,0402L035SL##,1210L800SL,24LT180## *****,1210L200SL##,1812L750SL##*****,30R800U,1210L500SLTH##,250R120,1206L300SLTH##,0603L200SL,30R185U,1206L380SLTH##,72R020X,1206L380SLTH,1812L300SL,0805L075SL,0805L150UL##,12VL175L,0805L260SL,1206L700SL##,30R300SU##*****,0805L010/24##,72R160X## *****,1210L550SL,1812L075## *****,2920L075## *****,30R160U,16R1000G## *****,1210L200SL## *****,60R075X## *****,

测试报告  -  LITTELFUSE  - 2023/10/31 PDF 英文 下载

Polymeric PTC Current Limiters XGPU2.E74889 - Thermistor-type Devices - Component | UL Product iQ

型号- PSR-28542,MICROSMD200LR,MINIASMDC260F/12,PSR-24184,SRP200,VTP200F,RHE1500,MINIASMDC260F/16,SMD200F/24-2920,RUE250,RXEF030,NANOSMD175LR,RSD310,RHEF650,RTEF135,PSR-25036,PSR25374,RHEF410,LR4-310F,NANOSMD350XLR,PSR-28786,TSM600-400,PSR-28547,PSR-28548,PSR-28308,SMD075/60,SPCB420LR,PSR-27623-025,VLP210,PSR-28311,PSR23198,72R090X,PSR-27623-020,SPK130,PSR-25280,SMDC310F/18,NANOASMDCH020F,RXEF040,LTP070,AHEF750,RGEF800,PSR-28799,PSR-28558,VLP220,MXP370,TRF600-160,PSR-28762,PSR-27673,MICROASMDCH035F,PSR-27623-050,SRP420,LR4-550ULLF,RUSBF185,SMDC125F/33,MGP500,PSR25105,RXEF250,TRF250-080U,VTP200NI,TRF250-080T,PSR-27679,PSR-27678,PSR25594,FEMTOSMDC020F,PSR25595,AHEF300,PSR25351,PSR25593,PSR-27674,PSR-28521,PSR-28763,BBR550,RXEF017,PSR-28764,SMD075,PSR-28765,LRP450,PSR-28527,RXEF010,VTP140,AGRF1200,TR250-110U,ASMD150F/33,TCF250-180,VTP145,SMDH160,MICROASMDCH010F,PICOSMDC200LR-T,PSR25115,RGE250,RXEF020,MGPC290,PSR-25028,RHEF200,AHRL450,PSR-23089,RXEF025,TS600-170,VTP150,MXP190,RUSBF160,SMDCH050F/24,SMDC075F-2920,MINIASMDCH050F,LVRL075,PSR-24380,AHS080-2018,RHE1300,PSR-24734C,NANOSMD380LR,PSR-28507,LVR075,PSR25571,MXPW310,MINISMDC200F/16,PSR-28502,NANOSMDM050/13.2,AGRF900,MINIASMDC075F/24,PSR-28506,SMD050,TRF600-150,MXP180,TS600-400F,MINISMDC200,MICROASMDCH125F,RUSBF155,PSR25338,MICROASMDCH016F,PSR25579,RUEF160,PSR-27669,LR4-380,PSR24251,PSR-24157,MINISMDM110,RXEF005,RTEF190,PSR-24361,PSR-27871,PSR-24362,PSR-24360,RXE090,RHE900,PSR-27635,30R400U,PSR-25452,AHEF100,AGRF1400,PSR-28720,BBR350,SMD030,VLP270,PSR-25461,AHRL650,RUSBF135,PSR-26791,PSR-26790,MGPP420,TCF250-145,PSR-26558,PSR-27888,FEMTOASMDC010F/15,PSR-25468,PSR23382,RHEF400,LR4-1340,LRP260,SMDH120,VTP110,SMD260,MINIASMDC075F/33,PSR-28735,RUEF185,PSR23349,MINISMDC260F/16,PSR-29231,PSR-29232,PSR24673,MINISMDC014,60R300X,PSR24432,AHRL400,PSR-27294,RGEF400,RUSBF120,TR600-160Q,MINISMDC020,MINISMDC260,30R600U,PSR-28148,PSR-28149,RGEF1100,AGRF700,SMD250,RUE090,MINISMDM160,FEMTOASMDC008F,RUEF800,LR4-73X,MGPC300K,PSR-28155,TC250-145,RUSBF110,SMD150F/33-2920,VLR170U-C30F,PICOASMDC110S,PSR24690,NANOASMDC050F/13.2,TR250-090,MINISMDC300F,PSR24659,ASMDC125F/33,PSR-25091,PSR-28120,LR4-1300,PSR-28124,MINISMDC035,NANOSMDC300LR,PSR25982,PICOSMDC050S,MINISMDC075F/33,16R300G,MGPR420ZKAII,PSR24660,PICOASMDCH020F,PSR-28127,LR4-810HF,PSR24669,PSR-29460,AHRL1100,30R090U,PSR24661,PSR25750,PSR-28764-A,PSR25751,PSR-26194,RGE400,PSR-23925,TSM600-250,PSR-28343,LR4-550,AHRL600,RHEF450,TAC210,RKEF075,AGRF500,PSR-28108,PSR-25080,MLP370,PSR-28110,PSR-28594,PSR-28595,RHEF1400,PSR23310,PSR24883,ASMD050F,MINISMDC050,RKEF065,RGEF600,SMD030-2018,SMD200,MXPR250,MINISMDC350LR,PICOSMD110F,ZEPTOSMDC0015F,PSR23528,PSR-28561,MGPP270,PSR-28321,RKEF090,ASMD075F,PICOASMDC020S,NANOSMDM016,AHEF500,NANOSMDM012,RSD370,TR250-080,LVR025/240,PSR-28575,RHE750,VLP220N-C30F,PSR-26155,NANOSMDC110,PSR-28762-A,ASMD185F,PSR25710,RTEF120,MGPC370-C315,RGE600,MINISMDC260/12,MINISMDC075,NANOSMD600XLR,MGPP550-L,NANOSMDM020,TS250-130,DECASMDC050/60,PSR-28577,PSR-29426,FEMTOASMDC005F,PSR-28339,RUSB155,MINIASMDC010F,SMD075-1812,NANOSMDC125,ASMD150F,RXE110,SMD150-2018,PSR-25957,TSL250-080,LR4-700(E70),LR4-900,MINISMDC010F,16R700G,AHS200,LVRL200,NANOASMDC025F,LVR200,PSR-27907,RUSB135,PSR-27906,PSR-25968,PSR-27905,MINISMD075,AHRL900,PSR-29054,SMD100-2018,TAC170-0425,MICROSMD600LR,PICOSMDC010S,TR600-XXX,LR4-600-C100F,TRF250-145U,PSR-23753,NANOSMDC150,PICOSMDC035S,30R800U,250R120,NANOSMDM050,PSR-24849,RGE1200,TAC170-A09,30R185U,LR4-170F,MINISMDC190LR,72R020X,NANOSMD400XLR,MICROSMD110,NANOSMD550LR,PICOSMD050F,RUSB120,TRF250-120U,MICROSMD200F,RUE700,PICOASMDC075S,RSD400-L,NANOSMDC160,RKEF160,PSR-25708,RUEF300,PICOSMD075F,ASMDC185F/33,RGE800,30R160U,MINIASMDC200F/16,PSR-27313-110,60R017X,MINIASMDC014F,VSM-A001,MXP370KJ,RKEF110,VLR170ULL-C30F,PICOASMDC050S,NANOSMDM075,RHEF050,PICOSMDC260LR-T,MINISMD020,TC250-180,250R145,AHRL1400,RSD310BD,RHEF1000,RUSB185,PICOSMDC075S,SMDCH200F/24,TR250-180U,LVR008N,RXE300,FEMTOSMDC005F,NANOSMDCH110F,MINISMDE190,SMDC300F/24,RHE100,TSV250-184F,LR4-970,MXP250K,NANOSMD300XLR,RGEF300,RKEF375,SMD300F/15,RGE1400,RHEF070,SMD150/30,30R250U,SMD150/33,MINISMDC075/24,RKEF135,FEMTOSMDC008F,72R135X,RSD500-L,PSR23935,PSR-29263,RUSB160,MICROSMD450LR-C,PSR-29264,RUEF500,MGP420K,MICROSMD150,TSM250-110F,16R500G,RUE900,PSR-21436C,VLP220UW-C24F,MGP420Z,SMDCH075F/24,72R110X,SMDC100F/60,MGPR400K,PSR-26647,60R185X,PSR-24466,MINISMDM110/16,PSR-27974,250R180,RUEF135,LVR033,PSR-28823,VLP175,VLR110,MICROSMD400LR,MICROSMD175,NANOSMD450LR,RXE185,NANOSMD450XLR,MGPP400,PSR-26658,PSR-26653,LVR040,06R155B,SMDC185F/33,RKEF300,MGP270ZRW,MICROASMDCH075F,RHEF700,60R030X,MINISMDM075/24,NANOASMDC020F,MGPC270W,NANOASMDCH005F,LVR055,PSR-26627,MICROASMDCH050F,TSM250-130F,RXE160,RUE300,MXP270ZLL,RSD600-L,16R900G,PSR-27721,LVR005N,PSR-24693,VLP190,RSD310-C2.4X3.2,MLP500,PSR-27727,TAC170-09,RUEF250J,RUSB110,NANOSMDC025F,NANOSMDC110F,PICOSMDC012S,NSNOASMDC016F,RUEF250U,PSR-21436HL,ASMD200F,PSR-26843,PSR-22240,60R250X,PSR-25757,PSR-26846,LVR008,RUE250U,

测试报告  -  LITTELFUSE  - 2023/9/15 PDF 英文 下载

应用及方案  -  LITTELFUSE  - 修订版:121620  - 121620 PDF 中文 下载 查看更多版本

Positive Temperature Coefficient Resistor (TÜV) Certificate (R 72161780)

型号- FSR-25105XXXXXXXXXXXXXXXXXXXX,TRF250-180XXXXXXXXXXXXXXXXXXXX,TRF250-183XXXXXXXXXXXXXXXXXXXX,TRF250-120UXXXXXXXXXXXXXXXXXXXX,IRP050R250VXXXXXXXXXXXXXXXXXXXX,PSR-25600H2XXXXXXXXXXXXXXXXXXXX,TRF600-160XXXXXXXXXXXXXXXXXXXX,250R180XXXXXXXXXXXXXXXXXXXX,600R150XXXXXXXXXXXXXXXXXXXX,TRF600-400XXXXXXXXXXXXXXXXXXXX,TRF250-120XXXXXXXXXXXXXXXXXXXX,TRF250-080TXXXXXXXXXXXXXXXXXXXX,TRF250-110UXXXXXXXXXXXXXXXXXXXX,250R080XXXXXXXXXXXXXXXXXXXX,600R160XXXXXXXXXXXXXXXXXXXX,TRF250-183UXXXXXXXXXXXXXXXXXXXX,TRF600-250XXXXXXXXXXXXXXXXXXXX,TRF250-145XXXXXXXXXXXXXXXXXXXX,PSR-25338-X1XXXXXXXXXXXXXXXXXXXX,TRF250-080UXXXXXXXXXXXXXXXXXXXX,TRF250-145UXXXXXXXXXXXXXXXXXXXX,250R145XXXXXXXXXXXXXXXXXXXX,TRF600-150XXXXXXXXXXXXXXXXXXXX,250R120XXXXXXXXXXXXXXXXXXXX,PSR-25105XXXXXXXXXXXXXXXXXXXX

测试报告  -  LITTELFUSE  - 05.09.2023 PDF 英文 下载

展开更多

电子商城

查看更多

只看有货

品牌:LITTELFUSE

品类:Fuse

价格:

现货: 0

品牌:LITTELFUSE

品类:TEMP-SENS-DISCRETE

价格:

现货: 0

品牌:金瑞电子

品类:插件自恢复保险丝

价格:¥0.2200

现货: 100,050

品牌:金瑞电子

品类:贴片自恢复保险丝

价格:¥0.1790

现货: 100,005

品牌:金瑞电子

品类:贴片自恢复保险丝

价格:¥0.1600

现货: 100,005

品牌:金瑞电子

品类:高压插件自恢复保险丝

价格:

现货: 100,000

品牌:金瑞电子

品类:高压插件自恢复保险丝

价格:

现货: 100,000

品牌:金瑞电子

品类:贴片自恢复保险丝

价格:¥0.1560

现货: 100,000

品牌:金瑞电子

品类:贴片自恢复保险丝

价格:¥0.1550

现货: 100,000

品牌:金瑞电子

品类:贴片自恢复保险丝

价格:

现货: 100,000

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

现货市场

查看更多

品牌:顺康

品类:PTC热敏电阻器

价格:¥0.4500

现货:275

品牌:顺康

品类:PTC热敏电阻

价格:¥0.5693

现货:200

品牌:顺康

品类:PTC热敏电阻

价格:¥0.3750

现货:200

品牌:顺康

品类:PTC热敏电阻

价格:¥0.2243

现货:200

品牌:顺康

品类:PTC热敏电阻

价格:¥0.2243

现货:200

品牌:顺康

品类:PTC热敏电阻

价格:¥0.4055

现货:200

品牌:顺康

品类:PTC热敏电阻

价格:¥0.7245

现货:200

品牌:顺康

品类:PTC热敏电阻

价格:¥0.5693

现货:200

品牌:顺康

品类:PTC热敏电阻

价格:¥0.5693

现货:200

品牌:顺康

品类:PTC热敏电阻器

价格:¥0.5865

现货:200

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

服务

查看更多

温度传感器定制

可定制温度范围-230℃~1150℃、精度可达±0.1°C;支持NTC传感器、PTC传感器、数字式温度传感器、热电堆温度传感器的额定量程和输出/外形尺寸/工作温度范围等参数定制。

提交需求>

车规级电感定制

可定制车规级电感的电流范围0.3~17.9A,尺寸最小1x0.55x0.5mm到最大12.5x12.5x6mm,工作频率100KHz~2MHz,感值范围:0.47uH~4.7mH。符合IATF16949和AECQ-200。SPQ为5K。

提交需求>

世强和原厂的技术专家将在一个工作日内解答,帮助您快速完成研发及采购。
我要提问

954668/400-830-1766(工作日 9:00-18:00)

service@sekorm.com

研发客服
商务客服
服务热线

联系我们

954668/400-830-1766(工作日 9:00-18:00)

service@sekorm.com

投诉与建议

E-mail:claim@sekorm.com

商务合作

E-mail:contact@sekorm.com

收藏
收藏当前页面