【技术】探讨高分子正温度系数热敏电阻特性与工作原理

2021-08-23 韬略科技
PPTC,高分子正温度系数热敏电阻,自恢复保险丝,CPTC PPTC,高分子正温度系数热敏电阻,自恢复保险丝,CPTC PPTC,高分子正温度系数热敏电阻,自恢复保险丝,CPTC PPTC,高分子正温度系数热敏电阻,自恢复保险丝,CPTC

韬略科技将在本文探讨高分子正温度系数热敏电阻特性与工作原理。PPTC全称高分子正温度系数热敏电阻(Polymeric Positive Temperature Coefficient Thermistor ),又称自恢复保险丝。它使用具有PTC特性之高分子基填充导电复合材料所构成之热敏电阻,除此之外还有负温度系数的NTC(一般是作为传感器使用)目前该产品广泛应用于电子产品过电流保护。


图 1

PPTC对应传统熟悉的器件为保险丝,但是保险丝遇到异常电流过后器件就熔断烧毁,PPTC的特点就是在满足保护器件的同时异常电流消失后自身可以恢复到初始状态达到重复使用的目的。


●工作原理

PPTC主要由聚乙烯(Polyethylene)及导体(主要成分为碳黑Carbon Black)所组成。


碳黑和导电石墨区别:碳黑和石墨的导电性都较高。但两者的形貌差别很大。碳黑是由球形纳米级颗粒组成的链状结构,而导电石墨是微米片状的,相同质量下,碳黑颗粒数更多,体积更大,且更有利于颗粒之间导电通路的形成,对极片内阻的降低更有帮助。另外,某些石墨材料负极还需加入导电碳黑的原因也是为了加强颗粒之间的导电。(颗粒体积小)在正常的操作温度下,聚乙烯紧密的将导体包裹在结晶状的结构内,而形成一条低阻抗的导电通路,如图中正常工作状态所示。因为阻抗相当的低,所以线路上流经PPTC组件的电流所产生的热能小,不会改变聚乙烯的晶体结构。


图 2

异常电流发生,导体上所产生的热能便会将聚乙烯由结晶状变成胶状(Amorphous),如图中的保护状态所示,在此种情况下,被包裹的导体便会因聚乙烯的膨胀而分离,导致阻抗迅速提高而限制异常电流流过PPTC组件。异常电流消失后,导体通路又会再度结合成为正常工作状态,PPTC组件的动作原理是一种能量的平衡,当过电流流过PPTC组件时由于I2R的关系会产生热,而产生的热能部分会散发到环境中,没有散发的部分便会提高组件的温度。


●使用方法

PPTC组件会与受保护的线路串连在一起,AC/DC电源皆可以使用,且没有极性。可以依电路需求使用插件或表面贴片的安装方式。

图 3

●各种过流保护产品对比

表1 对比表


●总结

PPTC在实际使用过程中相对其它过流防护器件有着不可替代的优势,但是缺点也显而易见,主要是受温度影响比较大,这就限制了它的使用场景不能在高温环境下使用,但是在正常使用中,电路板在产品内部有较好的工作环境,加上它体积小、易恢复、阻值低、功耗小,越来越多的产品开始选择新型可恢复保险丝来降低产品售后维护工作量。




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 0

本文由三年不鸣转载自韬略科技,原文标题为:1分钟快速了解PPTC,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。

评论

   |   

提交评论

全部评论(0

暂无评论

相关推荐

一文了解SMD片式贴片保险丝的应用及工作原理

贴片保险丝(SMD Fuse)是一种安装在电路板上的表面安装元件(Surface Mount Device),通过在电路中形成热失控开断过电流的方式来起到保护电子设备不被损坏或引起火灾的作用。贴片保险丝是保险丝的一种生产及焊接形式,在市场上主要适应产品小型化、方便化等,根据其分断能力可以分为慢断和快断两种。

技术探讨    发布时间 : 2024-01-09

【技术】浅析PPTC自恢复保险丝在RS485通讯接口的应用

众所周知,PPTC自恢复保险丝是使用极为广泛的一种过流保护元器件,在一些笔记本电脑、汽车电子、以及变压器、工业控制设备,当然,也包括一些通讯接口,PPTC都能起到过电流和过温保护的作用。浅析PPTC自恢复保险丝在RS485通讯接口的应用。

技术探讨    发布时间 : 2022-10-17

【技术】PPTC自恢复保险丝材料的几种测试方法

PPTC自恢复保险丝在出厂前一定会经过多项测试,如安全性、可靠性、性能等。倘若不合格,你知道会出现什么问题吗?PPTC是一种无毒无害产品,如果出厂检验不合格,势必会无法申请认证证书,而造成这种情况的极大原因就是保险丝使用的材料不合格。 ​

技术探讨    发布时间 : 2023-01-02

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

【电气】菲尼克斯电气小电流电子式断路器PTCB eFuse系列,完善设备断路器产品线强化电子式断路器核心地位

菲尼克斯电气深度挖掘电控系统保护技术,尤其是过电流保护技术,持续研发和迭代产品线,2023-2024年新推出小电流电子式断路器PTCB eFuse系列,完善设备断路器产品线,强化电子式断路器的核心地位。全新推出的<1A的电子式断路器,它填补了之前小于1A的直流回路的过电流保护需求的空白,助力实现灵活自主的过电流保护。

产品    发布时间 : 2024-07-05

Vicfuse(威可特)过电流/电压保护产品选型指南

描述- Vicfuse, established in 1999, is a premier manufacturer of high-quality overcurrent and overvoltage products in China. Guided by principle of "Ingenuity, Craftsmanship, and Superior Products," Vicfuse has dedicated many years to the research, development, production, and sales of circuit safety protection products. Vicfuse offerings has demonstrated exemplary performance across various sectors.

型号- VF392,VBS1051,VRA,VFRVL,VGC SERIES,2XVBS1749,VF391,AHN,VSS SERIES,BS883C,BS883B,VRH,BS88,VRK,VFSMD1206,VF218-P,VRJ,VFLT,VRL,VJF,BS884B,06LH,VRP,BS884A,VFSMD1210,06LF,VRX,VR10F/T,VFLR,VJT,VFSL,12SF,BS88EB,LO RHO VFSMD1206,VFSR,2XVBS3655,TPS SERIES,VBS3627,VRK5,VKF,VSP-LLXXXAXXVXX-X,VSP,VBS1727,VT1,VT3,VT2,VT5,VF318,VT4,SMP,VSS,VCF,VF312,VF313,VF314,VF315,VF275,VKT,VF370,04SF,LO RHO VFSMD1812,VF372,LO RHO VFSMD0603,VCT,VFVT,BS881C,VTF,BS881B,VF217-P,BS881A,12LH,VBS3655,12LF,BS881F,08SF,VFVL,VF881F,VFSMD2920,VF804,2D,2E,VFRX 60,TPS,VF400,VF242,VF881,VSP-LXXXAXXVXX-X,VDXXXAXXVXX-X,VLT,VF216SP,BS882C,VFUSB,PV160,BS882A,VFSMD0603,VFSMD1812,BS882F,VF229-P,VBS1749,BS883A,VA SERIES,PV10,VDC27,4SF-H,TPS 2A-1600A,VC20,VF235-P,VC22,4SF,VDC20,VGC14,VF239-P,VF171-P,VGC10,PV14,VDC22,VFHT,VF229,VF504,VF505,VF224,VF463,VF464,VF215SP,VDC36,VC10,VF224-P,BS88 SERIES,BS880B,VA,VD,VGC22,VD SERIES,VGC,VF877,VF239,VC14,VF477,VF235,VF874,NH,VF875,VF876,PV355,PV630,VGT,2XVBS3627,NT,LO RHO VFSMD0402,VF171,AFN,AXT-A,VFRG,LO RHO VFSMD1210,VFRH,06SF,VF606,VD SENES,VF448,VF449,VF324,VFRT,VF325,NT SERIES,VFRU,VF326,VFRV,VF443,NH SERIES,VDC14,VF242-P,VFSMD0805,VBS1028,VGC8,VF217,VF218,VFRX 90,LO RHO VFSMD0805,VF215,VF216,VF451,VF452,AXT,VF453,VF454

选型指南  -  VICFUSE  - 2023年第1版  - 2023/10/7 PDF 英文 下载

电安科技(DA TECHNOLOGY)圆筒形保险丝选型指南

目录- Cartridge Fuse Overview    CA413 Cartridge Fuse    CA414 Cartridge Fuse    CA421 Cartridge Fuse    CA424 Cartridge Fuse    CA425 High Voltage Cartridge Fuse    CA433 High Voltage Cartridge Fuse    CA434 Cartridge Fuse    CA435 Cartridge Fuse    MF501 Midget Fuse    Cartridge Fuse Applications Overview   

型号- CA424A.800,CA435A012,CA435A015,MF501A003,MF501A002,MF501A001,CA421A.500,CA435A.062,CA425A002P,CA435A010,CA424AXXXXP,MF501A006,MF501A005,MF501A004,CA424A.125,CA435A.500,MF501A008,CA435A002,MF501A010,CA435A001,CA435A004,CA435A.750,CA435A003,CA421AXXXX,CA435A006,CA435A005,CA435A008,MF501A012,CA435A007,CA414A3.15,CA414A.160,CA425A.400,CA413A.315,CA433A.600,CA435AXXXX,CA425A06.3,MF501A015,CA424A1.25,MF501A020,CA421A06.3,MF501A025,CA425A.630,CA424A01.6,CA414A.250,CA413A.200,CA435A.600,MF501A030,CA435A.175,CA425A.500,CA433A01.6,CA425AXXXX,CA424A.250,CA414A01.6,CA421A002P,CA435A.300,CA414A1.25,CA435AXXXXP,CA433A.250,CA434A002P,CA413A.100,CA421A020,CA424A.200,CA421A12.5,CA424A.315,CA414A.125,CA425A.200,CA413A1.25,CA433A.800,CA433A02.5,CA421A016,CA421A1.60,CA414A.800,CA421A010,CA435A.400,CA433A025,CA413A.800,CA433A020,CA433A1.25,CA421A008,CA421A005,CA425A.315,CA413A.125,CA421A001,CA421A002,CA421A3.15,CA424A.100,MF501,CA414A.100,CA435A002P,CA433A030,CA413A.250,CA433A03.5,MF501A03.5,CA424A06.3,CA425A.250,CA433A008,CA433A007,CA435A.100,CA425A008,CA433A004,CA433A003,CA433A006,CA433A005,CA413A01.6,CA433A002,CA433A001,CA434AXXXX,CA425A004,CA425A005,CA434A040,CA421AXXXXP,CA424A.400,CA414A.315,CA425A001,CA425A002,CA414A.200,CA434AXXXXP,CA433A015,CA435A1.25,CA433A016,CA434A.500,CA425A.125,CA433A010,CA433A.200,CA433A012,CA425A.800,CA424A.630,CA425A1.25,CA435A.200,CA433A.315,CA413A3.15,CA425A020,CA434A025,CA434A.750,CA413A.160,CA434A020,CA425A.100,CA425A010,CA433A.300,CA424A002P,CA414A001,CA425A015,CA434A030,CA414A002,CA414A005,CA414A004,CA425A012,CA433AXXXXV1,CA414A.630,CA413A.500,CA424A008,CA424A005,CA424A004,CA424A001,CA424A002,CA434A005,CA434A004,CA434A003,CA434A002,CA434A.375,CA424A.160,CA434A008,CA424,CA434A007,CA425,CA434A006,CA433A010PV1,CA433AXXXXPV1,CA421,CA434A001,CA435A.700,CA424A3.15,CA435A01.6,CA435A01.5,CA413AXXXX,CA414A.400,CA425A.160,CA435A.031,CA435A.150,CA435A040,CA425A3.15,CA424AXXXX,CA425AXXXXP,CA434A015,CA433A.400,CA435,CA413A.630,CA433,CA434,CA434A012,CA434A010,CA435A.125,CA424A.500,CA424A020,CA421A.200,CA414AXXXX,CA435A030,CA413A.400,CA435A.800,CA424A010,CA435A.375,CA414A.500,CA435A.010,CA435A.250,CA413A004,CA413A002,CA413A001,CA435A020,CA424A015,CA424A012,CA413A005,CA413,CA433A.500,CA414,CA425A01.6

选型指南  -  电安科技  - Rev: B  - 2018.12 PDF 英文 下载

赛尔特携超过23类电路保护元器件参加上海慕尼黑电子元器件博览会

本次展会,赛尔(SETsafe | SETfuse)特展出的产品:过温度保护;过电压保护;过电流保护;主动保护;提供电路保护解决方案。超过23类(温度保险丝、电流保险丝、压敏电阻、TVS、气体放电管……)、超过400个型号、超过30000个规格的电路保护元器件。

厂牌及品类    发布时间 : 2024-07-05

电安科技(DA TECHNOLOGY)陶瓷贴片保险丝选型指南

目录- Ceramic Chip Fuse Product overview    CC201 Ceramic Chip Fuse    CC202 Ceramic Chip Fuse    CC203 Ceramic Chip Fuse    CC204 Ceramic Chip Fuse    CC211 Ceramic Chip Fuse    CC212 Ceramic Chip Fuse    CC213 Ceramic Chip Fuse    CC221 Ceramic Chip Fuse   

型号- CC212A008,CC212A007,CC212A006,CC221A01.5,CC212A001,CC213A03.5,CC213A.500,CC212A005,CC212A004,CC212A003,CC212A002,CC212A03.5,CC203A.250,CC203A.375,CC201A02.5,CC204A006,CC204A005,CC202A015A,CC204A008,CC204A007,CC221A.315,CC201A.250,CC203A02.5,CC213A.750,CC202A003,CC202A004,CC202A01.5,CC202A001,CC202A002,CC202A007,CC202A008,CC202A005,CC201A.375,CC202A006,CC221A02.5,CC203A.750,CC202A1.25,CC204A020,CC202A.630,CC202A015,CC202A.750,CC202A012,CC202A010,CC203A1.25,CC204A04.5,CC201A01.5,CC204A025,CC212A02.5,CC221,CC211A01.5,CC221A.375,CC203A.500,CC203A03.5,CC202A025,CC202A02.5,CC221A.250,CC204A012,CC202A020,CC204A010,CC204A015,CC203A001,CC203A002,CC203A003,CC211A.375,CC221A03.5,CC203A008,CC213A01.5,CC203A004,CC221A.500,CC203A005,CC203A006,CC203A007,CC221A002,CC213A005,CC221A003,CC221A001,CC201A04.5,CC202A030,CC221A004,CC204,CC203,CC211A.250,CC202,CC201,CC212A01.5,CC213A002,CC213A001,CC213A004,CC213A003,CC201A007,CC201A008,CC201A001,CC201A002,CC201A003,CC211A02.5,CC201A004,CC201A005,CC221A.750,CC204A030,CC202A03.5,CC202A012A,CC213,CC212,CC211,CC203A020,CC211A.750,CC201A010,CC213A02.5,CC201A012,CC201A015,CC221A.200,CC201A03.5,CC201A.500,CC203A012,CC211A.500,CC203A010,CC201A020,CC203A015,CC211A03.5,CC201A025,CC203A01.5,CC213A.375,CC213A.250,CC211A008,CC211A007,CC201A030,CC211A004,CC211A003,CC211A006,CC211A005,CC201A.750,CC202A04.5,CC211A002,CC211A001

选型指南  -  电安科技  - Rev: B  - 2018.12 PDF 英文 下载

赛尔特(SETsafe丨SETfuse)熔断体&电阻器选型指南

描述- 赛尔特2000年成立于中国厦门市。产品销往40多个国家和地区,主要客户分布于新能源、储能、通信、防雷器、电源、照明、家电、移动设备、医疗等领域,其中包含多家世界500强的企业。产品取得CCC、CQC、UL、cUL、cULus、VDE、TUV、PSE、KC、CE等认证(每个产品有不同,以实际获得的证书为准 ),满足RoHS、REACH要求。

型号- SCF632A20A,SCF625PF15A,SCF520F1A,SPT478T100MA,SGF520-1.25A-L,SPF478F1.6A,SPT478T1.25A,SGT520-6.3A,SGF520-3.15A,SCF520,SCT520PT500MA,SCT1032T160MA,SCT1032T400MA,SCF63212.5A,SGT520-8A,SCT520PT15A,SPT478T6.3A,SGF520-800MA-L,SCT1032T630MA,SC625,SCF63220A,SCT6125T250MA,SGF520-630MA-L,SCF520F2A,SPT478T800MA,SCF625PF16A,SCT1032T8A,SCT1032T12A,SCF625系列,SGT520系列,SCF632,SCF520F500MA,SCF625,SCF1032F20A,SCF632P6.3A,SPT478T2A,SCF520PF12A,SCT520PT16A,SGT520-20A-L,SCF63221A,SCF6321.6A,SGF520-1.6A,SCF632A30A,SGF520-15A,SCF520P系列,SPF478F2.5A,SCT1032T315MA,SCF520PF25A,SPT478T1A,TPR5-XXXX62LB,SCT520PT25A,RXF21SC,RXF21SB,SCF63210A,SCT520PT8A,SGF520-6.3A-L,SGF520-16A,SCF6328A,SCT1032T6.3A250V,SGT520-5A,SCF1032F30A,TPR3-XXXX25LB,SCT6125T8A,SGF520-20A-L,SGF520-5A-L,SCF6322.5A,SGT520-500MA-L,SCF63225A,SGF5201.25A-L,SCT6125T2A,SGT520-1.25A,SCF520PF800MA,SCF625P系列,SCF632AP30A,SPT478T200MA,SCF6325A,TPR5-4R7J70LB,SGT520-1.6A-L,SCT1032T15A,SCF520F5A,TPR5-XXXX63LB,SGT520-800MA-L,SCF520PF15A,SCT6125系列,SPT478T125MA,SCT520PT630MA,SCT520PT400MA,SCF63212A,SCT6125T1A,SCF625PF12A,SCF520F630MA,SGT520-10A-L,SCF520F3.15A250V,SCF6326A,SCF1032F12A,SCF520PF16A,SCF520PF1A,SCT520PT12A,TPR3-XXXX22LB,SCT520T30A,SCT520P系列,SCF63215A,SCF625PF25A,SGF5201.25A,SGT520-1A-L,SCF520F12.5A,TRXF1S-4R7J07LA,SCF1032F2A,SCF520F3A,SCF625F12.5A,SCF520PF2A,TPR5-XXXX64LB,SCF625PF5A,SCT6125T5A,SCF632P1A,SCF520F400MA,SCF63216A,SCT6125T3A,SCF1032F1A,SCF6324A,SCF520F4A,SCF520PF3A,SCT520PT10A,SCT520T500MA,SPT478T1A250V,SCF1032F10A,SCF625F50A,TPR3-XXXX23LB,SCT6125T4A,SGF520-2.5A,SCF632P2A,SGT520-2.5A-L,SCF632P4A,SCT520PT1A,SCF1032F2.5A,SGT520,SCF632P3.15A,SPF478系列,SCF6125F3.15A,SPT478T15A,SCF632AP,SGF520-8A,SGF520-10A-L,SGF520-2.5A-L,TPR5-XXXX65LB,SCF1032F5A,SC625FM7A,SGF520-8A-L,SCF632AP系列,SGT520-2A-L,SCT520T6.3A,SCF632P5A,SCT1032T3.15A,SCT520T630MA,TPR3系列,SCF1032F3A,SGF520-16A-L,TRXF1S,SCF625PF20A,SCF6125F2A,SCF1032F4A,SCF625F40A,SPF478F8A,SGF520-630MA,SGF520-3.15A-L,SCF1032F1.6A,SCF632P6A,SCF632AP20A,PR3-XXXX24LB,SCT6125T6.3A,SCT6125T1.25A,TPR5-XXXX66LB,SGT520-12.5A-L,SCT6125T800MA,SPF478F5A,SCF625F5A,RXF21SC 系列,SCF1032,SCT520T400MA,SGT520-630MA,SCF520F8A,SCT6125T12A,SCF625PF10A,SPF478F10A,SCF625F30A,SCF632P2.5A,SCF625F6A,SCF625PF8A,SCF632P16A,SCT520PT6.3A,SCT1032T500MA,SCF632P8A,SCF63220A250V,SCF625F10A,SGF520-4A,SCF520F6.3A,SGT520-10A,SPT478T12.5A,TPR5-XXXX67LB,TPR3-4R7J26LB,SCF520PF3.15A,SCT520PT4A,SPT478T10A,SGF520-5A,SCF625PF40A,TPR5系列,SCF520F3.15A,SCF520PF20A,SCF632AP25A,SCF1032F8A,SCF1032F12.5A,SCF1032F40A,SCF520PF1.25A,SCT520T3.15A250V,SCT6125T10A,TPR3-XXXX26LB,TPR5,SCF625F20A,TPR3,SCT520PT5A,SCF625F8A,SGF520-6.3A,SGT520-630MA-L,SCT520PT3A,SCF625F12A,SGF520-2A,SPF478,TRXF1-4R7J30TD,SGT520-20A,SGF520-12.5-L,SCF6125F4A,SCF6125F3A,SPT478T500MA,SGT520-3.15A,SPT478T160MA,SCT1032T12.5A,SCT520PT2A,SPT478T20A,SCF632P15A,SCT520T3.15A,SCF632P1.25A,SCF625PF12.5A,SCF6125F5A,SCT520PT1.25A,SCF625PF30A,SGT520-4A-L,SCT6125,SCF520PF10A,SCT1032T10A,TPR3-XXXX27LB,SCF625F6.3A,SCF1032F3.15A,SCT520T5A,SCF632P12A,RXF21SB系列,SCF625PF6.3A,SCT520PT1.6A,SCT6125T2.5A,SCF6125F2.5A,SCF520PF1.6A,SPT478T315MA,SCT520T4A,SCF625F25A,SGF520-1A,SCF632P25A,SCT1032T800MA,SCT6125T6.3A250V,TPR5 系列,SGF520,SCT6125T3.15A,SCF632A,SCT520P,SCF520PF12.5A,SCF520F12A,SCF632P,SGF520-12.5,SCT1032T6.3A,SCF625F16A,SCT520T3A,TRXF2系列,SCT520PT2.5A,SGT520-12A,SCT1032T100MA,SCF6125F8A,SPT478系列,SC625FM10A,SCF520F1.25A,SCF1032系列,SGT520-5A-L,SCF632A20A250V,SCF6125F1.6A,SCF632AP16A,SCT1032T1.25A,SCF632P10A,SCF520F25A,SCF625F15A,SCT520T2A,SCF625PF50A,SPT478T400MA,SGT520-6.3A-L,SCF632P12.5A,SCF520系列,SCF632AP15A,SCT520T16A,SCT520T1 25A,TRXF2-10RJ50LC,SPF478F6.3A,SGT520-15A-L,SCT520T1A,SGT520-1.6A,SCF632A系列,SC625FM3A,SCF520F15A,SPT478T1.6A,SCF632P20A,SCF520F800MA,TRXF2-10RJ50LA,SCF520P,SCF6125系列,SPT478T630MA,RXF21SC4R7J-T60M,SCT1032系列,SCF6321.25A,RXF21SB4R7J-T60M,SCT520PT3.15A,SGT520-500MA,SPT478T250MA,SCF520PF630MA,SPF478F4A,SCF6326.3A,SCF632P21A,SCF632P1.6A,SCF520F16A,SGT520-16A,TRXF1-4R7J30LA,RXF21SC系列,SGT520-2.5A,SCT520T12.5A,SCT1032T125MA,SCF632系列,SC625FM5A,SGF520-15A-L,SCF520PF2.5A,SPF478F1A,SPT478T2.5A,SCT520PT800MA,SCF632P30A,SGT520-15A,SGT520-16A-L,SCF632PF6A,SPF478F3.15A,SPT478T16A,SGF520-500MA,SCF520PF400MA,SGF520-1A-L,SCF6125F20A,SPF478F2A,SCT6125T200MA,SGT520-12.5A,SC625系列,SCT1032T200MA,TRXF2,SGF520-800MA,TRXF1,SCT1032T250MA,SCF6321A,SCF1032F15A,SGF520-500MA-L,SCF520PF5A,SCF1032F6.3A250V,SCF625F12.5A250V,SCF520PF4A,SCF520F1.6A,SCT6125T400MA,SCT6125T630MA,SCF632P系列,SPT478T3.15A,SCT520T800MA,SCF6322A,SCF1032F16A,SPT478,SCT520PT20A,TRXF2-4R7J50LA,SCF6125F10A,SCF1032F1.25A,SCT520T10A,SCT6125T315MA,SCF6125F6.3A250V,SGT520-3.15A-L,SCF1032F25A,SGF520-2A-L,SCF520F2.5A,SC625FM13A264V,SCF632A15A,SGT520-12A-L,SCT520PT12.5A,SGF520-20A,SCF520PF500MA,SGT520-8A-L,SCF520PF8A,SCF6125F12A,SCT520PT30A,SCT1032,SGT520-800MA,TRXF1-10RJ30LC,SCF632A16A,SCT520T20A,TRXF2-4R7J30TD,SCT1032T2.5A,SCF625P,TRXF1系列,SCT1032T5A,SPF478F1.25A,SGT520-1.25A-L,SPT478T8A,SCF520PF6.3A,SCT6125T500MA,TPR5-XXXX70LB,SGT520-4A,SGF520-4A-L,SPF478F1A250V,SCT520T15A,SCF

选型指南  -  赛尔特  - V1.0  - 2024/3/1 PDF 中文 下载

Eaton Bussmann(伊顿巴斯曼) 过电流保护产品(轴向引线式/径向引线式/表面贴装/PTC自恢复保险丝 & 保险丝座)选型指南

目录- Circuit protection devices introduction    Cartridge and axial leaded fuses    Fuseholders    Radial leaded fuses    Surface mount fuses    PTC resettable fuses   

型号- TDC180,S505SCH,HFA,HVP,HK,S-8000,HFB,HP,C520,PTSLR0805,GMA,HVI,GMC,GMD,PTSLR1210,HGA,PTS1812,C308F,S520,CC12H,SS-5,GMW,TDC600,PC TRON,HTC-2XX,ABC,HHB,1025HC,3828-X,HTC-5X8M,HHI,HHK,C310FH,HHJ,HTC-15M,HHN,SFE,HHT,SR-5H,1AXXXX,3216FF,HTC-60M,SR-5,HTB-XXI,HTB-XXM,SR-5F,CC06H,H15,C310-SC,HRK,S-4000,SS-5FH,1025FA,SS-5F,HJM,MDA,HJL,TDC11,PTR016V,TDC10,MDH,3216LV,6125FF,MDL,PTR060V,MDQ,PTSLR1812,HTC-78M,HKP,PTS0805,0603HV,HTC,CC06FA,HTJ,TCP,HLD,6125TD,PTS1206,GBB,GBA,PTSLR1206,S505H,1025TD,PTR030V,AGA,AHCA,AGC,S505,CB61F,S500,TCP70,C519,S501,C518,C517,HBX-M,C515,BK-PCS,3216TD,HMR,HBX-I,S506,HHF-JFCU,AGW,AGX,S505SC,SS-5H,0603FA,AHC,GLD

选型指南  -  EATON BUSSMANN  - March 2021 PDF 英文 下载

Vicfuse方块型和圆柱型微型保险丝产品,电流范围40mA-20A,有美规和欧规两种标准

一. 产品简介保险丝是借助可熔性金属体内流过电流的焦耳热使自身熔断从而切断电路来保护电路。19世纪后半叶,保险丝随着以电灯为首的各种电气设备的发明应运而生,此后,保险丝的结构形式基本没有改变,并一直延续。我们经常看到的诸如玻璃管式保险丝和汽车中的片型保险丝等。作为电子设备的保护元件,玻璃管式保险丝被长期使用,但由于它的体积大、易破碎、无法实现自动化安装等缺点,因此,业界对微型保险丝需求的呼声越来越

产品    发布时间 : 2024-01-16

电安科技(DA TECHNOLOGY)方形贴片保险丝选型指南

目录- Square Surface Mount Fuse   

型号- SF301A3.15,SF304A.062,SF303A2.50,SF302A.600,SF304A003,SF304A002,SF301A020,SF304A001,SF304A007,SF304A006,SF303A.600,SF304A005,SF303A.200,SF304A.050,SF301A.050,SF301A.200,SF304A.200,SF304A.600,SF303A.315,SF301A.600,SF302A03.5,SF301A008,SF303A1.25,SF302A07.5,SF301A001,SF304A3.15,SF301A003,SF301A002,SF301A005,SF301A004,SF301A007,SF301A006,SF302A.500,SF304A.315,SF302A1.25,SF301A.375,SF303A.500,SF303A.100,SF303A3.15,SF303A003,SF303A002,SF303A005,SF303A004,SF303A001,SF301A012,SF304A.150,SF301A.150,SF302A.750,SF303A007,SF301A015,SF302A.630,SF303A006,SF304A.300,SF301A.300,SF304A.700,SF301A010,SF304A01.5,SF301A.700,SF301A01.5,SF302A.800,SF303A.250,SF302A02.5,SF302A06.3,SF301A.080,SF301A.750,SF301A.630,SF304A.375,SF301A1.25,SF303A.800,SF303A06.3,SF303A.400,SF303A.080,SF302A020,SF301A.250,SF304A.250,SF304A.125,SF304A.400,SF301A.125,SF301A.400,SF304A.800,SF304A02.5,SF304A06.3,SF301A02.5,SF301A.800,SF301A06.3,SF303A.630,SF303A.750,SF302A.700,SF304A.080,SF301A.062,SF302A01.5,SF304A.630,SF302A015,SF304A.750,SF303A3.50,SF302A012,SF302A010,SF303A.700,SF303A.300,SF303A1.50,SF304A1.25,SF302,SF302A006,SF302A005,SF303,SF302A004,SF304A.100,SF301,SF301A.500,SF302A003,SF302A002,SF304A03.5,SF302A001,SF302A3.15,SF304,SF304A.500,SF301A.100,SF301A07.5,SF303A.375,SF302A008,SF301A03.5,SF302A007

选型指南  -  电安科技  - Rev: B  - 2019/10/15 PDF 英文 下载

普罗森美(PROSEMI)插件PPTC产品选型表

目录- PPTC   

型号- PBR120-750,PR600-030,PX60-185,PX60-065,PBR120-350,PR600-150,PVR120-135,PX60-500,PU30-160,PR220-400,PX72-110,PS6-185,PX72-075,PG16-185,PG16-065,PU30-600,PR220-800,PR250-090,PG16-600,PX60-050,PBR120-400,PVR120-125,PG16-200,PG16-1200,PBR120-800,PU30-050,PS6-050,PX60-017R,PX72-185,PR265-400,PX72-065,PX72-500,PR265-800,PG16-050,PX60-040,PX60-160,PBR120-450,PX72-017R,PR600-050,PU30-070,PR250-040,PX72-250,PR220-300,PU30-185,PR220-1000,PX72-375,PR220-145,PU30-100,PS6-120,PX72-010,PBR120-170,PU30-500,PX72-135,PVR240-055,PG16-160,PU30-900,PX72-017,PG16-700,PBR120-500,PX60-030,PG16-300,PR600-160,PR600-200,PR250-030,PG16-1100,PX72-090,PU30-075,PS6-110,PU30-110,PR265-300,PS6-075,PG16-030,PX72-005,PX72-003,PVR240-040,PX60-020,PR600-110,PG16-135,PBR120-550,PX60-025,PX60-300,PU30-090,PR250-060,PX72-030,PR220-600,PR220-200,PU30-400,PBR120-150,PVR240-033,PU30-800,PBR120-200,PG16-800,PX60-250,PX60-010,PVR120-200,PG16-400,PX60-375,PX60-135,PG16-1400,PX60-017,PR250-050,PG16-1000,PS6-090,PS6-250,PG16-090,PU30-250,PR265-200,PX72-020,PVR240-025,PG16-250,PU30-135,PR265-600,PS6-135,PX72-025,PX72-300,PR250-080,PBR120-650,PR250-120,PX60-003,PVR120-075,PX60-005,PR220-180,PR220-500,PS6-160,PX72-050,PVR240-016,PU30-300,PVR240-012,PG16-120,PBR120-250,PU30-700,PX60-090,PG16-500,PBR120-300,PX60-075,PX60-110,PVR120-100,PR250-110,PG16-900,PG16-1300,PX72-040,PS6-030,PX72-160,PVR240-008,PVR240-005,PS6-155,PR265-500,PG16-075,PG16-110,PR265-900

选型指南  -  普罗森美 PDF 英文 下载

展开更多

电子商城

查看更多

只看有货

品牌:韬略科技

品类:Resettable Fuse

价格:

现货: 0

品牌:AEM科技

品类:Thin Film Surface Mount Fuses

价格:¥0.3441

现货: 576,000

品牌:优恩半导体

品类:PPTC自恢复保险丝

价格:¥0.2800

现货: 266,155

品牌:优恩半导体

品类:PPTC自恢复保险丝

价格:¥0.2500

现货: 220,845

品牌:硕凯电子

品类:贴片自恢复保险丝

价格:¥0.1600

现货: 199,025

品牌:AEM科技

品类:Automotive Surface Mount Fuses

价格:

现货: 180,000

品牌:硕凯电子

品类:Fast-Acting Surface Mount Fuse

价格:¥0.3520

现货: 160,000

品牌:优恩半导体

品类:PPTC自恢复保险丝

价格:¥0.2300

现货: 143,730

品牌:优恩半导体

品类:PPTC自恢复保险丝

价格:¥0.2800

现货: 134,130

品牌:优恩半导体

品类:PPTC自恢复保险丝

价格:¥0.2800

现货: 118,600

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:EATON BUSSMANN

品类:fuses

价格:¥0.3150

现货:252,000

品牌:宏溢天诚

品类:保险丝

价格:¥0.1100

现货:82,500

品牌:LITTELFUSE

品类:Surface Mount Fuses

价格:¥5.8300

现货:28,676

品牌:LITTELFUSE

品类:Surface Mount Fuses

价格:¥0.4900

现货:20,550

品牌:WAYON

品类:Surface-mount devices

价格:¥0.2226

现货:9,520

品牌:LITTELFUSE

品类:High Voltage Fuses

价格:¥36.3803

现货:8,610

品牌:LITTELFUSE

品类:Fast-Acting Fuse

价格:¥0.4698

现货:7,788

品牌:WAGO

品类:2线接线端子

价格:¥42.9600

现货:5,000

品牌:ITW LUMEX

品类:显示器件

价格:¥2.6662

现货:3,000

品牌:LITTELFUSE

品类:Surface Mount Fuses

价格:¥2.2900

现货:2,959

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

VC散热器定制

可定制均温板VC最薄0.4mm,有效导热系数超5,000 W / m·K(纯铜(401 W/m·K ,石墨烯1,200 W/m·K)。工作温度范围同时满足低于-250℃和高于2000℃的应用,定制最低要求,项目年采购额大于10万人民币,或采购台套数大于2000套。

提交需求>

EMC电波暗室预测试

提供辐射发射测试、传导发射预测试、EMI噪声频率扫描服务。消费电子辐射发射预测试频率范围30MHz-1GHz、 车载电子9KHz-3GHz,并针对问题给出EMC整改方案。支持到场/视频直播测试,资深专家全程指导。

实验室地址: 深圳 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