【经验】Littelfuse多种保护器件提供全方面电路保护
在电子系统中，电源很可能会以错误的方式被连接，此时应该考虑保护来防止损坏电路。绝大多数电子电路并不能承受电源反向供应，还需保护器免受温度，湿度，过电流或过载的影响。
过压
过电压电源的保护通常是通过“撬棍”电路来完成的。撬棍是“无损耗的”，所以即使电流大也不会浪费任何电力，但它需要在电源输入端有一个保险丝或其他过流保护装置。该过电流装置本身会产生小的压降。撬棍电路能够监视电源电压，如果超过阈值将短路。下面是MC3423“撬棍”IC原理框图,输出可驱动SCR。
图1：“撬棍”IC原理框图
LITTELFUSE公司推出的 PolyZEN器件提供带有PTC（正温度系数）串联保护的撬棒，是单芯片的解决方案，Littelfuse的PolyZen器件为聚合物增强型精密齐纳二极管微组件。这些器件的先进特色在于将齐纳二极管与电阻非线性PPTC（聚合体正温度系数）层进行了热耦合。但最低电压为5.6V，因此它们不能用于保护例如电源为3.3V的器件。串联电阻可低至0.04欧姆。此外，需要注意所用设备的最大耐压。例如，一些较新的5V线性技术芯片的绝对最大电压为5.5V，可能会在几μs内被损坏。
过流
简单的防过流装置就是保险丝，然而其工作速度取决于过电流程度，即使是快速熔断的保险丝，在电流达到两倍于额定电流数值时，也需要100ms用来熔断保险丝。Littelfuse公司推出的672系列熔断保险丝设计符合UL/CSA 248标准，能够快速响应，玻璃体保险丝封装紧凑。下图是Littelfuse 672系列熔断保险丝的响应电流—时间示意图。如图所见，只有过载程度非常高的时候响应速度会极快。
图2：Littelfuse 672系列响应时间示意图
另一种通常使用的PTC器件，它们的响应速度比保险丝还要慢，其依靠于器件受热增加其电阻，从而降低电流。另外，请记住PTC器件不会完全断开电路 - 它们只是增加电阻，因此电流仍会流动，如果电流低于“保持电流”，器件将冷却到足以使电阻降低。如果应用场景为在没有大电流过载的情况下快速响应，那么可能需要工程师设计自己的过流电路。此外，小的电流峰值在某些情况下是可接受的，比如当电机启动或者电源切换到具有高输入电容的电路时。
ESD保护
连接外部信号到系统的电线可能需要额外的ESD保护。虽然大多数有源器件都具有内置ESD保护，但通常用于防止人员在组装过程中意外静电放电。它通常不适用于在电噪声环境中使用设备时可防止能出现的尖峰。用于连接外部的设备通常可以选用更高级别的ESD保护。为了对敏感器件提供额外保护，可以选择添加ESD保护二极管，这些二极管也可以采用阵列形式，以便于保护多条线路。Littelfuse推出的SP1027背对背二极管采用专有的硅雪崩技术制造。 这种二极管可为电子设备提供高级别ESD（静电放电）保护。SP1027瞬态抑制二极管可在IEC 61000-4-2国际标准规定的最高级别（4级， ±8KV接触放电）安全地吸收反复性ESD放电，且性能不会下降。汽车专用设备往往具有更高的保护水平，因为它们需要在有点火系统的放电干扰的环境中工作。
湿度
防潮通常采用物理方法。如果使用时的湿度会导致电路上出现冷凝问题，可以选择将其密封或使用涂覆层来防潮。在极端情况下，可以添加干燥剂或填充干燥氮气。一些密封系统具有可移除的干燥剂支架，因此可以在预期会有一些漏气的情况下定期更换。
过载
一些负载过大的问题，例如负载从电机驱动器或其他高电流输出吸收过多电流，与电源过流问题类似。不同之处在于可能只需要关闭问题驱动器而不是整个电源。
温度
散热片温度，内壳温度，环境温度或特定芯片的温度是可被监控的。电源IC可以内置温度保护或温度监控。SILICON LABS推出的数字温度传感器si7050，在整个工作电压和温度范围内能够提供业界领先的低功耗和高精度特性，最高感测精度可达±1.0℃。新颖且具有专利的信号处理和模拟设计的使用使得该款传感器能够在极宽的温度和电压范围内保持其精度，同时能够实现极低的电流消耗。
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本文由Kate翻译自Littelfuse，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”。
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目录- 保险丝特性/术语/考量因素 选择清单 标准 包装/零件编号 免责声明 表面贴装保险丝 径向引线型保险丝 轴向引线型和管式保险丝 管式保险丝座 特殊应用保险丝
型号- 45302.5,0977016.XEP,03540903ZXGY,0154.125,03540821ZXBL,0482 0007ZXB,03540911ZXGY,01550009ZXA,111 501,111 505,111 506,0454003.,0454001.,01550009ZXU,3453HS3-010,03540001ZXGY,800,801,03540806ZXGY,802,454007,803,804,454005,454004,0477016.XEP,454003,0454002.,807,808,0482 0019ZXB,015401.6,015401.5,0100 0054,208 000P,0977.800XEP,0216 000XP,154.315,820 20,0453.250,0215.125XEP,345 101,225 000P,810,811,640 0000 1603,813,814,815,816,0482 0007ZXP,559 0000 00 01,0154.375,0275025.,121004,282008,65800001XXX,121001,282007,820,121002,821,282002,0100 0058,823,824,282001,0100 0056,3453LF2-010,03540912ZXGY,154.375,0216.800XEP,03540807ZXGY,100 058,0453002.,0453.080,100 054,100 056,01550114ZXA,830,03540902ZXGY,831,0281 0008H,0107 0002,853 0000 1009,834,0454007.,835,837,0477.800XEP,279 000,154.125,0106 0001,216SP,800 01,0154.315,101001,0482 0001ZXPF,0215001.XEP,0453003.,0482 0019ZXP,562 0000 1009,3453HS4-010,01550114ZXU,454002,454001,015403.5,453.062,02450002X,3453LF1-010,65800003XXX,0154.100,850,0482 0009ZXB,851,852,853,855,856,0454005.,02450002H,129 002,0213 000P,129 001,01550020ZXA,0100 0020,0482 0020ZXB,314 000P,866 0000 1009,02450001X,0453001.,15403.5,3453LF1-020,0281 0007H,0482 0020ZXP,0453.062,154.750 T,860,862,865,03540010ZXGY,866,837 0000 0005,02450001H,01550020ZXU,0454004.,0520 0005 ZXGY,313 000P,824 0000 0005,125002,125001,0213 000 XEP,870,03540808ZXGY,874,875,876,877,PICO 259,0217.315 XEP,3453LF4-010,0154.750,0453007.,649 0000 3039,0285.125 XRP,127 002,0281 0005H,640,816 0000 0005,655 0000 0405,400,646,648,649,0482 0015ZXP,127 001,0482 0009ZXBF,0217.400 XEP,815 0000 0005,342 058,52100001009,830 0000 0005,0453004.,01550104ZXU,0482 0002ZXPF,652,653,0482 0005ZXB,655,0482 0010ZXPF,656,101002,658,101003,646 1200 7113,659,01550104ZXA,03540011ZXGY,451.1,03540901ZXGY,0453005.,342 048,660,824 0000 0205,429,0215020P,0482 0017ZXB,649 0000 1039,435,437,438,659 0000 0009,0482 0005ZXP,0451.062,440,441,443,202,203,445,254 121,446,688,447,448,449,208,209,646 1200 7123,154001. T,0482 0003ZXPF,0154.500,0453008.,824 20,451,452,453,0520 0001,354 101-GY,454,213,456,215,03540012ZXGY,458,216,459,217,218,453.1,453.2,03540809ZXGY,453.8,453.5,0520 0004 Z,453.4,460,3453LF3-010,461,0451.080,312 000,462,220,464,465,0482 0008ZXBF,466,224,467,225,468,469,254 101,229,800 0000 0105,0482 0017ZXP,560 0000 13 19,01000020Z,471,230,472,0101 0001,473,232,233,0356 0011Z,234,477,235,239,125 001,125 003,570 0000 0001,125 002,0445 0001,03540601ZXGY,154002. T,109 002,345_ISF,02200029MXP,0281 0001,109 001,481,482,0101 0002,242,485,0101 0003,0482 0016ZXBF,04533.15,245,0356 0010Z,0215020.XEP,01550004ZXA,102064,345 101-010,0482 0002ZXB,0482 0002ZXP,03540005ZXGY,803 01,251,494,253,254,0122 055Z-1,348 677,354 700,01550004ZXU,348 671,03540101ZXGY,0482 0019ZXPF,15401.5 T,03540906ZXGY,3453QS2-010,0216.050XEP,345 101-020,03540803ZXGY,262,102071,263,265,266,267,268,520 001,269,520 003,520 004,PICO 259-UL913,0482 0007ZXBF,0235006.XEP,0482 0004ZXPF,0218 000P,272,030,273,274,03540602ZXGY,275,154.8,262 000,278,0239 000P,279,505 000P,0453.630,154.1,0154007.,0482 0014ZXP,154.5,154.4,154004. T,155 100,154.2,3453QS8-010,01550014ZXA,340 313,0482 0014ZXB,281,282,01550120ZXU,340 312,285,286,155 004A,348 600,04611.25,0453.400,852 0000 1009,01550120ZXA,045306.3,0281 0008 H,1541.25,268 000,811 0000 0005,01500145HXB,01550014ZXU,0482 0017ZXBF,348 877,155 114A,0218.032 XEP,3453QS3-010,278 000,348 871,640 0000 1003,658 0000 1109,0482 0001ZXBF,03540004ZXGY,155 004U,220 000P,58300000005,831 0000 0005,0482 0006ZXBF,451.125,03540907ZXGY,0482 0005ZXPF,155 006A,0154008.,03540802ZXGY,155 114U,00300210M,155 006U,850 0000 1009,0254 0002Z,344 125,658 0000 4009,0482 0010ZXP,045402.5,01550109ZXU,03540905ZXGY,0154003.,0482 0010ZXB,3453LF8-010,01550006ZXU,00300210N,3453QS7-010,0254 0003Z,0232 000P,03540003ZXGY,0482 0002ZXBF,0482 0009ZXP,0154002.,348 800,0482 0009ZXPF,0154.080,0453.200,3453RF8-010,01550100Z,0359 0010Z,315 000P,03540603ZXGY,3453HS1-010,02810001H,520_W,332 000P,224 000P,66000001009,508 000P,0154005.,0477.500XEP,325 000P,155 009A,3453QS4-010,0359 0011Z,0482 0018ZXBF,0254 0001Z,453.315,851 0000 1009,155 009U,15401.6,286 377,15401.5,0482 0021ZXPF,45403.5,0154004.,01550109ZXA,0359 0012Z,653 0000 0405,0482 0008ZXPF,154.375 T,3453LF7-010,454.375,0216001.XEP,835 0000 0005,322 000P,03540805ZXGY,345 121,658 0000 3109,652 0000 0405,03540002ZXGY,266 000,0275030.,154L,02200019MXP,03540604ZXGY,045302.5,281010,03540904ZXGY,208 000EP,0482 0003ZXBF,453.75,45303.5,0216016.XEP,0482 0020ZXPF,0154001.,3453HS2-010,354 900,281007,154T,281008,281005,0482 0012ZXB,0482 0012ZXP,640 0000 1403,03540804ZXGY,51800001009,453.63,0482 0019ZXBF,0356 0012Z,45401.5,0154.062,834 0000 0005,01550006ZXA,0217015 XEP,453.125,344 400,015402.5,0218.125 XEP,0254 0204Z,344 405,230 000P,344 402,0482 0007ZXPF,344 401,0453.160,344 404,344 403,0482 0004ZXBF,0233 000P,0482 0018ZXP,0154.250,0482 0015ZXPF,265 000,354 000,209 000EP,801 0000 0005,453.08,640 0000 1503,0520 0101 Z,03540008ZXGY,0482 0018ZXB,0254 0205Z,810 0000 0005,571 0000 0001,
【元件】LITTELFUSE发布创新多功能电子保险丝超级电容器保护集成电路，专为备用电源充电应用设计
LITTELFUSE宣布推出多功能电路保护器件——LS0502SCD33。 电子保险丝超级电容器保护集成电路是一项具有开创性的创新成果，标志着行业当中的重要里程碑，是一种专为恶劣环境下的备用电源充电应用而设计的尖端解决方案。
产品 发布时间 : 2023-10-23
Littelfuse（力特）电路保护产品选型指南
目录- Company profile Circuit Protection Technologies Overcurrent/Overvoltage Protection device ESD Suppression Solutions Overcurrent Protection/Overvoltage Protection Applications Common Circuit Threatsand Protection Solutions Fuses Fuse Holders PPTC Devices Varistors Gas Discharge Tubes ESD Suppressors TVS Diode Arrays Protection Ics TVS Diodes PLED Bypass Protectors SIDACtor® Protection Thyristors Circuit Breakers
型号- PXXX0SAMC,LS2406ERQ23,1812L,LVR,SPHV,30KPA-HR,456SE,456SD,15KPA,345 SERIES,ITV9550 30A,AQ24CANFD,SDP,AC,RUEF110S,LS2406ERQ33,PXXX2AC,MICROSMDCH,562 SERIES,AQ1003-01ETG,SDPXXX0T023G5,150603,800,801,802,804,806,807,BA,808,BB,PGB2,PGB1,P4SMA,TSM600,PTF070,MICROASMD,SC1103C-01UTG,PTF078,PTF077,LS0504EVT233,PTF075,AQXXC-01LTG,810,811,356 SERIES,5KP,813,FB65,814,FB66,CA,CG,CH,PTF080,286677,PICOASMDCH,PXXX2AX,MINIASMDC,SMF4L,121004,B61089BDR,282008,121001,282007,820,121003,AK10-Y,821,121002,282002,823,824,282001,FB55,DA,828,DB,FB58,NANOASMDCH,820-20,830,831,834,835,TP5KP,101001,3453,3452,605,606,RKEF,607,PXXX2ACMC,LS12052BD33,AGRF,PTF0080M,B61089QDR,RUEF135V,850,851,852,3455,853,AHEF100,60R,617,618,GTCX36-XXXM-R05,PXXX0Q12X,860,862,HA,HB34,GTCX36-XXXM-R10,2920L,SP8008,AQ4337-01ETG,155 SERIES,P6SMB,803-01 SERIES,SLD,810 SERIES,870,PTF015,874,875,876,342 SERIES,877,5.0SMDJXXS-HRA,348 SERIES,30KPA,SM7,SM24CANB,SMCG-HR,TSV250,FC09B1606NL-0,SMD,SMF,TPSMB-VR,881,35408 SERIES,OMN002,400,OMN004,885,35406 SERIES,881 SERIES,OMN006,646,405,647,V20H275AUTO,407,649,RXEF,101010,52100001009,AQ24CANA,AQHVXX-01LTG,656,101002,PXXXXDF,658,101003,5KPA-HR,824-20 SERIES,5.0SMDJ,570 SERIES,AQ3530-01FTG,B-SERIES,662,663,422,664,665,LA,SMBLCE-HR,L-SERIES,AQHVXX-01LTG-C,PTF050,SC1105-01UTG,PTF055,G-SERIES,435,437,438,A-SERIES,870 SERIES,PTF065,440,RGEF,437A,441,SP1103C,443,202,203,254 121,445,446,688,447,3453 SERIES,448,449,208,209,TR600,04450001,PTF030,438A,451,SRP,452,453,454,TSM250,PTF035,213,456,215,821 SERIES,458,216,LV ULTRAMOV,459,217,218,SP3401,SP3400,AQ3522-01FTG,TPSMC,FHN26G2,TPSMB,PTF040,TPSMD,LS2405IDD23,PTF045,460,461,5KPA-HRA,462,220,464,465,466,224,467,225,576 SERIES,468,254 101,229,BXXX0CX,SL0902A,102080,470,BXXX1UX,471,472,230,473,232,233,501A,476,234,235,477,MIDSMD,PXXX4UCMC,239,MHS,850 SERIES,813 SERIES,AQ1205-01ETG,483,RA,485,487,802 SERIES,259UL913,ITV4030 22A,SM20,345121,102064,254 201 - 208,251,494,PLEDXUX,253,SD,SE,SG,SH,259,4.0SMDJ,SL1002A,SM,15KPA-HRA,15KPA-HR,GTCX37-XXXM-R10,102074,102076,102079,102078,NANOSMDCH,GTCA28-XXXM-R03,NY61AP,262,102071,263,265,266,3.0SMC,267,DSLP,268,269,LOW RHOPTC,520 002,520 003,520 004,SL1003A,520 005,1KSMB,345101,MLA,LS24062RQ23,1210L,AQ36CANA-02HTG,445073,MLE,MHP-TAM15,272,273,MLN,M-SERIES,274,E-SERIES,275,278,279,AQ3102-02HTG,MHP-TAC6,803-01,MHP-TA,285,AQ3041,SMBLCE-HRA,PLEDXUSXA,SP4322-01ETG,AQ3045,TP1.5KE,SP4208,SC1205-01ETG,820-20 SERIES,354 SERIES,CG33.0L,SP11XX,359 SERIES,MS-SERIES,111 SERIES,100 SERIES,NANOSMDC,346877,PICOASMDCH010F-2,340 SERIES,AHRF300,AHEF,342025,342024,342021,ZA,AQ3400,XGD,FH604,AQ1250-01ETG,PXXX3ACMC,FH602,PXXX6U,SP4010,342006,PLEDXN,SZD200,HG34,PLEDXS-A,J-SERIES,824 SERIES,FEMTOASMDC,ITV5432 30A,AK6-Y,557 SERIES,SL1021A,SL1021B,SP4020,SP4022,SP4021,SMDCH,SP4024,281010,SP4023,PLED,MINISMDC,AXXXXUX6,254 011 - 008,SMTAK3,PXXX0Q22XLH,MHP-TAM6,AK15,445005,281007,154T,281008,281005,AK10,AQ1005,51800001009,PXXXXS4X,ITMOV,354701 SERIES,483A,445004,LS05006VPQ33,SP4044,BXXX1UC4,SP4045,5200001,SMBJ,AQXX-01LTG,AQ7538-08UTG,SP1064E-04UTG,TCF250,SMTOAK2,SMAJ,AQ7520-08UTG,PXXX3AX,NANOASMDC,461E,811 SERIES,800 SERIES,157T,FC51,PXXX1U,PXXX1S,TRF250,SMBJ-HRA,SMDJ,CG3,SP3384NUTG,CG2,CG5,CG4,2205,CG7,B3XX4UX,CG6,VLP,VLR,0603L,PLEDXUX-A,SMCJ,PICOASMDC,LS0504EDD12,SMD2,PXXX0Q22C,GTCX35-XXXM-R05,SMDJ-HR,SMDC,TMOV34S,AHRF,440A,AXGD10603NR,K-SERIES,TPSMC-VR,H-SERIES,SZ1SMB,SZ1SMC,SZ1SMA,219XA,AK20-Y,ITV9550L2030MR,441A,SZ1.5SMC,SP1250-01ETG,C-SERIES,SC1210-01ETG,TB-SERIES,0402L,ITV9550 45A,AHRL,DHB34,FHN26W,AUML,TP6KE,LTKAK3,AQRV05-4HTG,LTKAK2,72R,977,TLP,LTKAK6,AQ15CANA-02HTG,PXXX3AC,SP3205-01ETG,501,3452 SERIES,504,505,506,507,GTCX23-XXXM-R01,508,8.0SMDJ,PXXX3U,100060,100061,100062,122090,100063,100064,100065,PXXX0SX,100066,SC1533-01LTG,SPHV-C,AHS,122093,150318,TS600,150319,150316,150317,150315,AQ3102-02JTG,150312,513,514,100058,100059,2016L,286377,122088,122087,559 SERIES,122083,GTCX26-XXXM-R05,521,523,AK15-Y,100067,526,150322,527,PXXX2SXLH,SL1411A,AK1,AK3,AK6,VTP,422A,SMCJ-HRA,ASMD,C-III,SR70,0805L,860 SERIES,RHEF,SMF3.3,303,304,305,308,35409,35408,35407,35406,TPSMA6L,PXXX2SX,SP724,SP725,SC1115-01UTG,TSL250,LOW RHO,HMOV,SP723,SP720,SP721,312,313,30R,314,556,315,557,559,318,SLD6S,SP1305,SP712,560,562,322,564,324,325,326,328,SLD5S,CX-SERIES,570,571,332,SLD8S,PXXX0SD,576,TRF600,PICOSMDC,3.0SMCJ,SZSMF,LS1205EVD33,SP1326,AQ12CANA-02HTG,340,150307,100,342,FHN20G,344,345,35407 SERIES,348,SMAJ-HRA,150300,AUMOV,LTKAK10,445 SERIES,SC1333-01ETG,RUEF,GTCX25-XXXM-R02,GTCX25-XXXM-R05,LS0502SCD33,111,354,356,52000001009,359,824-20,SP3420,150274,RUSBF,SP1003,SP3422,PXXX0ME,564 SERIES,SP2555NUTG,51900001009,10207101009,520 101,369,SL1122A,571 SERIES,SP1233,AQ2555NUTG,SP1255P,600R,PXXX4UX,WB07B0606LG,370,372,1.5SMC,TLPA,373,1.5SMB,374,SZSMF4L,377,820 SERIES,254 131,PXXX1CX2,SEPXXXXQ38,00300210,SZW200,TP5.0SMDJ,523 SERIES,SP1005,SP1006,CG32.0L,382,AQ1205-01FTG,383,385,35409 SERIES,407A,V14H460AUTO,SMA6L,391,392,CG32.5L,N-SERIES,SMA6J,395,3425L,F-SERIES,154,396,397,398,157,399,159,SC1122-01UT
【选型】Littelfuse（力特）汽车售后市场产品(保险丝/开关/继电器/连接器)选型指南
目录- Company Profile Circuit Protection - Fuses & Circuit Breakers Fuse Blocks, Holders & Terminal Blocks Power Distribution Modules Battery Management Relays & Solenoids Battery & Master Disconnect Switches Ignition Switches Rocker Switches Toggle Switches Momentary Switches Push-Pull, Rotary & Foot Switches Vehicle Connectors Indicator Devices Appendix
型号- 5558-BX,0AGC010.V,M-531-BP,68362-BX,097019BP,9118-BX,MIC2015.VP,24812,24063-08,30171-15-BX,M-531-BX,M-497-BX,30409-15-BX,58332-21-BP,9245-BX,0MIN030.ZXPRO,M-584,4721-P12-BX,98628-BX,46377-6,9245-BP,0AGC010.VP,46377-8,0MCB020.X,0FHZ00854-BX,31101,55025-01,54104-BX,0PAL4100XP,0CNN800E.V,RC-400112-RN,55025-04,JLLN225.X,55025-02,PL-525-AC,00970019X,55025-03,99025-BX,5558-BP,54104-BP,24612-10,95613-BX,48070-BX,M-284-02-BX,0PAL040.X,11041-06,M-550,00940367ZP,0FHA0001SXJ,0ATO004.V,0MAX030.X,0PAL160.X,0MAX030.V,08010200,58332-33-BP,PL-524-GC-BX,58027-02-BX,LMIN015.ZXPROA,JLLS1000X,0AGC0004ZP,MAHC0001TXJ,RC-700112-RN,57014-03-BX,91800-BX,LMIN020.VP,JLLN060.T,57300-11-BX,12301-BX,90036-02-BX,0MEG100.XP,24624-10,58027-02-BP,PL-86-AC000,90036-10,40100-BX,0185100.XP,PL-521-AC-BX,M-641-01-BP,59071-BX,0695XXX.LPXPS,MIC2010.V,956-3127-BX,5543-09,0PAL330.XP,0AGU060.VPG,M-641-01-BX,58312-G4-BX,JCAS060.X,58328-04-BX,PL-2,0SFE020.VP,0FLC014.XP,JCAS060.V,0812015.ZXST,95535-BX,55049-01,00940422Z,55016-BX,0FHM0002Z,0PAL280.X,5543-15,12063-BX,95062-57-BX,3298250.H,75600-02-BX,1254-BX,0AGC001.V,LMIN005.V,00940570ZXA,12804,81264-BP,MCAS050.VS,3298250.Z,DL-2 1,12805,0MIN030.VP,81264-BX,95522-A,90048-01,9576-BX,MIC3010.VP,00940557ZXA,83379-BX,M-597,02980900TXN,M-598,M-115,55016-06-BP,24214-BX,M-850-BP,56027-01,211020BP,58311-18,M-850-BX,0UCBXXX.X,00940553Z,24612-03,08081400,PDM33001ZXM,0SFE014.V,M-121,59024-110-BX,PL-85,PL-86,0211010.XP,0MAX020.XP,0CNN100E.V,24022-BX,12077-01-BX,M-448-BX,91812-BX,00940554Z,880064S,75600-25,PL-521-GC,48160-BX,0CNNXXX.V,PL-521-RC-BX,0AGC030.VP,55021-BP,JLLN025.T,880064,M-489-03,880062,MCAS025.XP,0PAL530.X,55065-02-BX,0812040.ZXST,68159 - 05,58311-02,PL-36-GC000-BX,58311-01,956-3135,00940551Z,3298125.Z,0PAL4100X,00940301ZP,PL-36-AC000-BX,48090-BX,55021-BX,0BPF0001ZP,PL-525,PL-524,PL-523,PL-522,55033-01-BX,PL-521,CNN200E,3298125.H,3298080.H,58311-08,58311-07,58311-13-BX,PL-526,0MIN003.VPGLO,75600-05,75600-04,58311-13,00940552Z,0AGW003.V,58311-11,75600-07,3298080.Z,46210-03-BX,03500418TXN,75600-02,75600-01,PL-118-GC001-BX,58326-27-BX,3298500.ZXSTA,9180-BX,3031-30,097026,55014-05-BX,880086,24 812,D9AB-14526-BA,097023,PDM71003ZXM,0MEG175.X,0CCB025.X,0695015.LPXPS,0MIN004.V,0MID050.XP,0MIN010.VP,55025-03-BP,0AGA0003ZP,LMIN010.V,JLLN003.T,2484-03-BX,0PAL440.XP,0MEG175.L,00940562ZPA,880076,M-288-BX,4721-P14,880073,4721-P12,4721-P10,24401,55025-03-BX,24402,0498200.TXN,097019,00940550Z,3031-20,86126-12,0AGC005.VP,30138-30-BX,0FHM0002SXJ,75125,JCAS060.XP,FHM200,04980932ZXT,0185050.X,7785-01,9050-01,0AGA005.V,JLLS100.V,00940462Z,880014,JLLS090.V,24505-01,86099-5-BX,880015,04980900ZXT,30409-20-BX,FHA30,54101-01,097038,0FHM0001XP,30409-20-BP,24 812-01,RC-400112-NN,08098981-BX,PL-521-AC,0MAB0001XP,50036-BX,58332-28-BP,JLLS002.T,1222-BX,12400,0AGC005.V,12401,M-428-BX,24124-BX,M-428-BP,JLLS015.T,9500-BX,12080-11-BX,0CNN275E.V,04980921GXM5,0AGU020.T,JCAS025.X,M-414-01-BP,58327-06-BP,57000-23-BX,033707.5LXS,FNY2,58327-06-BX,FNY1,LJCAXXX.X,24848,5011,0MID080.X,LJCA040.V,FNY1BP,0AGC07.5VP,LJCA040.X,57013-08-BX,M-485-BX,95060-BX,956-3126,956-3125,MCAS025.VS,956-3127,956-3122,956-3124,M-485-BP,5007,956-5307,0AGAXXX.VP,0211030.XP,PL-118,00940565ZPA,JCAS020.V,55065-02,PL-116,55065-03,JCAS020.X,0813050.ZXST,24115-B X,0AGU040.VPG,CNN035E,M-628-BP,0185XXX.XP,81264-01-BX,JLLS050.T,12063-01-BX,24107-BX,155 300,81264-01-BP,AGC2ZP,FHM200BP,08099080-BP,ZCAS175.XP,0OMN0002XP,0RBOX001Z,7792-BX,0MIN002.VP,0PAL060.XP,08099080-BX,11172-03,0SFEXXX.V,MIC3XXX.VP,92107-04,094480,11172-02,PL-525-RC,8487-BX,0MAX060.XP,P L- 612- A- B X,0MAX040.XPGLO,55093-BX,59024-36-BX,82159-2,50070-BX,82159-3,50203,95062-50-BX,0MINXXX.VP,0RBOX002Z,M-456-BX,551001-BX,M-320-RC000-BX,0ATO030.VPGLO,24063-BX,956-4138-BX,98628,82159-1,30056-50,11042,0GBC016.VP,95597,59024,95591,95593,9270-01,0AGU060.T,72079-01,1258-BX,12080-BX,9183-BX,0RBOX003Z,RA-700112-RN-BX,185100BP,0PAL440.X,0RBOX004Z,PL-524-RC-BX,MIC2XXX.ZXPRO,4721-P2-BX,HWB18,30056-40,0FHM0002XP,0337015.LXS,55036-BX,HWB12,5050,95582,08098780,M-628-BX,JLLS300.X,0ATO005.ZXPRO,0ATO030.V,30063-20-BX,0695040.LPXP,91812-02,0RBOX005Z,55017-02,30056-30,M-432-BX,30171-20-BX,48785,95521-B-BX,M-493-BP,98647,57300-03-BX,950601-01,12092-BX,901-325,0FNY0020XP,PDM61001ZXM,30090-2-BX,59024-12-BX,M-432-BP,0AGC025.VP,0695040.US,75920-05,50001-BX,0RBOX006Z,30056-20,58312-R4-BX,JLLS006.T,30056-25,68159-05-BX,30137-15,30137-10,580 27-11,95060-07-BX,0SFE009.V,5584-15,46379-6-BX,0PAL1120.X,55021-04,JLLN1000X,30056-10,5543-BX,90048-BX,0AGA005.VP,55021-07,LLN001.T,30056-15,298,0AFH0002XP,MCAS020.V,4112-RC000-BX,3298300.H,MRS7A,9 011,FHJC10 01G,30137-20,58332-04-BP,59071,9216-BX,CNN250E,M-284-BX,55033-02,24452-BX,RC-700112-DN,55033-01,55054-04-BX,75920-10,08098900-BX,0MIN005.VPGLO,3298XXX.ZXSTA,30137-30,LECLFMX0007Z-01,M-284-BP,00940362ZP,24420-BX,95060-03-BX,83285-01,M-612,58312-A4-BX,PL-86-GC000,0MAX040.XP,PL-624-A,00940565ZXA,211025BP,0PAL040.XP,0AGAXXX.V,PL-624-B,094413,86126-2,04980904ZXT,4 6 37 7-12,55046,74601-12,86126-4,HWB60,094
Littelfuse（力特）应用于乘用车的保险丝选型指南
目录- AUTOMOTIVE FUSES Product introduction BLADE FUSES CARTRIDGE FUSES HIGH CURRENT FUSES SMD FUSES CABLE/PAL FUSES HIGH VOLTAGE FUSES Shunts/Diodes/Resistors Fuse General knowledge
型号- 0998150._,142.5631.6202,0695040.PXPS,0297015._,0895020_,0HEV040.XXX,0898300._,0HEVXXX.ZXPCB,157.5701.5401,10EVXXX.ZXPY,142.7010.XXXX,0337010._,0298150.ZXEH-LT,0898225._,0299040._,142.5395.6172,SHEV080.ZXBD,0888250._,157.5701.5631,0297004._,0297900._,0899025.Z,0999060._,157.5916.6101,283 SERIES,153.XXXX.580_,0898060._,156.5610.570_,10EV020.XXX,4998100.M_,0498060._,142.7010.6102,0317030.M,3298350.H,3998425._,0999070._,0895030_,0498XXX.MXM6,0888XXX.U-1M6,0888XXX.U-1M8,0498070._,156.5611.5301,157.5916.XXX1,3998500._,099707.5_,05980016Z-CN,0317020.M,0299XXX.ZXNV,4998030.M_,0327005._,3998250._,0997XXX.WXN,0297003._,3298XXX.ZXM10,142.5395.6152,153.1612,153.XXXX.570_,157.5916.6201,157.5916.5351,156.5610.560_,0891005._,0998500._,157.5701.6501,10EVXXX.ZXPCB,3998175._,142.7010.6122,0695015.PXPS,0287040._,0898400._,0327015._,0299XXX.ZXT,0298XXX.ZXEH,155.0892.5501,0298250._,153.3502,0899035.Z,0895040_,0299050._,0998175._,0298175._,3998160._,157.5916.6251,157.5916.6131,156.5677.530_,153.0000,10EVXXX.ZXBDP,0891XXX.NXS,0287030._,0HEV015.XXX,3298250.H,0298175.ZXEH-LT,0287XXX.U,4998XXX.M-1M6,157.5701.6401,20EV070.ZXBDM,0287XXX.H,156.5611.6101,0287XXX.L,3298250.Z,0998250._,0HEVXXX.ZXPCBL2,153.XXXX.620__,0888XXX.U-NH,0498XXX.MXT,10EVXXX.ZXISO,02400094,0895050_,02400120P,3298175.Z,05980015Z-CN,153.2512,294 SERIES,0498125._,0298125.ZXEH-UL,20EV100.ZXBDM,156.5611.XXX1,3298175.H,0498XXX.MXT-CN,3298350._,156.5677.540_,SHEVXXX.ZXBD,0498200._,0327003._,0317XXX.M,3998600._,157.5700.5801,0337XXX.PX2S,157.5917.5801,157.5701.6421,156.5677.550_,0297XXX.WXNV-CN,157.5701.6301,0299060._,0999080._,0297005._,153.2502,153.0010.XXX2,157.5916.6121,0695020.PXPS,0498080._,156.5610.580_,0298350._,0495900.Z,155.0892.5751,3998150._,142.7010.6202,0495900.X,142.5631.5302,157.5700.5631,153.XXXX.6502,0898150._,3298900._,0298500._,0299XXX.TXN,153.7000.XXX2,153.XXXX.540_,3298900.Z,4998125.M_,157.5701.6331,157.5917.6101,156.5610.530_,0298150._,142.5395.6102,142.5395.6222,0298100.ZXEH-UL,3298125.Z,0HEVXXX.ZXPY,0695060.PXPS-HT,4998XXX.M-M6,3298125._,0327025._,157.5700.5501,0HEV030.XXX,0998350._,0495XXX.ZXA,4998080.M_,157.5701.6201,157.5917.6231,3298125.H,157.5917.6351,156.5677.560_,3298080.H,0495025_,157.5701.5351,3298080._,0898500._,3298XXX.Z,3298080.Z,155.0892.6101,0337003._,0HEV050.XXX,0287020._,3298500.ZXSTA,3298XXX.H,142.0020.XXXX,02400112P,0297010._,0695040.PXPS-HT,3298200.H,157.5917.6121,156.5611.6111,0HEVXXX.ZXISO2,153.XXXX.530_,157.5701.6351,0299070._,157.5701.XXX1,0298275.ZXEH-LT,157.5701.6231,142.5395.6202,0HEV010.XXX,155.0892.6251,0287010._,157.5916.5501,SHEV060.ZXBD,153.XXXX.6402,3298200._,0HEVXXX.ZXC,3298200.Z,4998200.M_,142.5631.6152,02400111P,0999040._,153.5631.XXX2,157.5701.6101,4998XXX.M-NH,153.5631.XXX1,157.5917.6251,0695XXX.PXP,031707.5M,20EV080.ZXBDM,156.5611.6121,0498100._,0899060.Z,882-853,882-854,155.0892.6121,157.5916.5631,3998070._,157.5700.6401,142.5631.6122,0998XXX.UX-2M8,0898175._,157.5701.6131,153.1602,157.5701.6251,0999050._,153.XXXX.560_,0998XXX.UX-2M6,155.0892.XXX1,3298100._,0327900._,0298XXX.UX1M8,0299080._,3298100.Z,0998450._,0498XXX.MXTM6-CN,0297002._,0895025_,157.5917.6151,156.5677.580_,0297025._,0891030._,142.5395.6252,3998225._,157.5701.6121,156.5610.550_,157.5917.6161,3298100.H,157.5917.6281,02400113P,10EVXXX.ZXPCBL,155.0892.6301,0998XXX.UX-NH,0298XXX.UXT,157.5700.6501,0337900._,142.7010.6152,0298040._,157.5701.6151,0287001._,3998300._,142.5631.6102,157.5701.6271,0498XXX.M-CN,0327010._,032707.5_,3998400._,0998XXX.UX-1M8,0498XXX.MXM6-CN,153.XXXX.550_,156.5611.6151,0997004_,0695025.PXP,0998XXX.UX-1M6,142.5395.6122,153.7010.XXX2,157.5917.6171,029707.5_,0287035._,3998XXX.ZXM10,157.5700.5401,294C SERIES,0327XXX.LXS,02400103_,0997005_,033707.5_,157.5701.6141,156.5610.540_,3298600.ZXSTA,293 SERIES,028707.5_,0891XXX.U,0898250._,142.5395.XXXX,0891XXX.H,155.0892.6201,SHEV150.ZXBD,02400115P,142.5631.XXXX,0317010.M,4998150.M_,0287002._,0287025._,157.5701.6171,32980001ZXM8,157.5917.6501,0695XXX.PXP-HT,0298060._,4998060.M_,0997002_,156.5610.611_,0891020._,0495040_,142.7010.5802,3998900._,20EV125.ZXBDM,157.5916.5801,0317900.M,153.XXXX.6222,157.5700.5351,0HEVXXX.ZXP2Y,02400106P,153.XXXX.6102,02400118P,876-199,157.5700.6201,3998125._,02400105Z,0298250.ZXEH-LT,157.5701.6161,0895XXX.T,0298300._,0895XXX.U,0695025.PXPS,153.XXXX.610_,0998100._,0899040.Z,156.5610.612_,0997003_,0997015_,SHEV100.ZXBD,0317015.M,0297030._,142.5631.5802,902-192,0287003._,0HEVXXX.ZXPCB2,0297XXX.WXT,3298400._,0297XXX.WXNV,0891XXX.NXWS,156.5610.625_,0899030.Z,0899XXX.Z,0299025._,3998200._,142.7010.5702,0495050_,0HEVXXX.ZXPCBL,153.XXXX.6122,0317005.M,2938 SERIES,0895XXX.Z,157.5700.6301,02400108P,157.5700.6421,0495XXX.UXA,3998080._,10EV040.XXX,3298400.ZXSTA,153.XXXX.612_,0898350._,0327020._,3298060.H,0997025_,0297XXX.H,3298400.H,0888300._,3298060.Z,0297XXX.L,SHEV070.ZXBD,05980020Z,153.XXXX.6252,0695050.PXPS,0298XXX.ZXEH-UL,02400107P,0297XXX.U,153.0020.XXX2,0287004._,0327030._,0298XXX.ZXH,0997010_,0298XXX.UXP-1M8,0298XXX.UXP-1M6,0498XXX.MXTM6,0498175._,153.5395.XXXX,157.
【选型】Littelfuse（力特）保险丝座选型指南
目录- Fuse Characteristics, Terms and Consideration Factors Fuse Selection Checklist PTC Characteristics and Terms PTC Product Applications Typical PTC Circuit Protection Designs Fuse Standards Fuse and PTC Products Selection Guide Fuse Packaging and Part Numbering
型号- 1812L,471,230,472,473,232,233,234,235,477,874,875,876,239,877,2016L,461E,485,LORHO,400,157T,369,804,807,808,600R,437 SERIES,USBR,370,251,372,373,494,253,374,2205,SL,0603L,0805L,ST,382,262,383,263,385,265,266,267,268,269,303,429,1210L,LR,LT,391,1206L,392,272,273,274,395,154,275,396,397,398,157,278,399,219XA,279,312,950,313,30R,159,314,435,315,437,438,318,LORHO PTC,160,285,440,250S,441,250R,322,443,202,203,324,VL,325,446,326,447,448,449,208,209,VT,16R,451,452,332,453,154T,454,213,456,215,72R,216,458,60R,217,459,218,977,460,461,220,462,464,465,224,466,225,467,468,501,469,229,505,506,2920L,508
【元件】Littelfuse推出符合AEC-Q200 Rev E标准的保险丝，确保恶劣汽车环境中组件的长期可靠性
Littelfuse推出符合AEC-Q200 Rev E标准的保险丝/熔断器，专为满足汽车电子和电动汽车 (EV) 应用苛刻的电路保护需求而设计。新产品组合包括一系列薄膜保险丝、Nano2®保险丝、PICO®保险丝和管状保险丝/熔断器。
新产品 发布时间 : 2023-08-07
【选型】Eaton Bussmann(伊顿巴斯曼) 电路保护产品选型指南
目录- Circuit Protection Devices & Applications Cartridge and Axial Leaded Fuses Fuseholders Radial Leaded Fuses Surface Mount Fuses PTC Resettable Fuses
型号- S505SCH,TDC180,HFA,HK,HVP,S-8000,HFB,C520,PTSLR0805,GMA,HVI,GMC,GMD,PTSLR1210,HGA,PTS1812,C308F,CC12H,SS-5,GMW,TDC600,PC TRON,HTC-2XX,ABC,HHB,1025HC,3828-X,HHI,HHK,PTRQ6QV,C310FH,HHJ,HTC-15M,HHN,SFE,HHT,SR-5H,1AXXXX,3216FF,PTRQ16V,HTC-60M,SR-5,HTB-XXI,HTB-XXM,SR-5F,H15,CC06H,C310-SC,HRK,SS-5FH,1025FA,SS-5F,PTRQ3QV,HJM,MDA,HJL,TDC11,TDC10,MDH,3216LV,6125FF,MDL,MDQ,PTSLR1812,HTC-78M,HKP,PTS0805,0603HV,CC06FA,TCP,HLD,6125TD,PTS1206,GBB,GBA,PTSLR1206,S505H,1025TD,AGA,AGC,S505,CB61F,S500,C519,S501,TCP70,C518,C517,HBX-M,C515,BK-PCS,3216TD,HBX-I,HMR,S506,HHF-JFCU,AGW,AGX,S505SC,SS-5H,0603FA,GLD
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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。
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可定制板装式压力传感器支持产品量程从5inch水柱到100 psi气压；数字输出压力传感器压力范围0.5~60inH2O，温度补偿范围-20~85ºС；模拟和数字低压传感器可以直接与微控制器通信，具备多种小型SIP和DIP封装可选择。
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授权代理品牌：集成电路
授权代理品牌：分立元件
授权代理品牌：接插件及结构件
授权代理品牌：部件、组件及配件
授权代理品牌：电源及模块
授权代理品牌：电子材料
授权代理品牌：仪器仪表及测试配组件
授权代理品牌：电工工具及材料
授权代理品牌：机械电子元件
授权代理品牌：加工与定制
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