【选型】10000A/1pulse压敏电阻助力开关电源端口实现雷击浪涌保护

时间： 2018-01-31 来源：世强作者：电气14号

技术问答

一、雷击浪涌的形成原理

在雷击发生时，强大的雷电流及其所发生的空间电磁脉冲能够通过传导、感应和耦合等方式在建筑物内电子系统中产生各种暂态过电压，当暂态过电压沿电源线或信号线等线路传输时，就形成了雷击浪涌。

二、开关电源的雷击浪涌的测试标准及方法

目前的开关电源产品没有独立的EMC标准，具体的参数根据不同的产品标准等级而定，可参考GB/T17626.5-2008，如下图：

图1：实验标准电压及电流等级

图2：1.2/50us的实验浪涌电压波形

三、案列设计选型

下面以4kV开路电压/2kA短路电流为例，进行雷击浪涌保护设计，同时进行压敏电阻的实际选型，并介绍一些相关参数。

设计要求：

1、浪涌电压等级：开路电压4kV；短路电流2kA；2.输入电压：230V

压敏电阻选择：LITTELFUSE的V20E460P(P20V460)，此型号的压敏电阻持续工作电压为AC460V/DC615V可用于AC230V系统之中。最大可承受浪涌电流为10000A/1pulse，2000A/100pulse，可以满足实验等级4中的闭路浪涌电流的要求。钳位电压为1240V，后端元器件的耐压值需根据此电压值进行最大器件耐压值的选择。

选型依据：

1、Vm（AC）=230*1.2（电压波动系数）*1.6（裕量）=441V，所以电压应选择440VAC以上的产品；

2、由图4可以看出，在电流为2kA，V14E系列的产品可以保证15次的浪涌电流通过，但是在产品的浪涌测试时的要求为0°、90°、135°、270°的四个角度下各+/- 5次试验，所以15次很难保证压敏自身的安全，最好选择V20E系列的产品。

通过上面两个参数既可以将压敏电阻的选型完成，另外压敏电阻的目的是保证电路后延器件的安全，可以通过参考曲线进行后续器件的耐压值得选择，具体数据可以参考Littelfuse官网中的资料。

图3：压敏电阻的基本参数

图4：浪涌电流持续时间、次数、电流大小关系图

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技术探讨发布时间 : 2024-10-26

【选型】Littelfuse（力特）压敏电阻-金属氧化物压敏电阻（MOV）选型指南

目录- 过压抑制压敏电阻特性/术语/考量因素压敏电阻连接示例压敏电阻选择工作表机构标准/免责声明表面贴装式多层压敏电阻径向引线式压敏电阻工业高能端子压敏电阻轴向引线型/专用型压敏电阻薄型/专用型压敏电阻高可靠型压敏电阻 TMOV®和iTMO系列工业高能热保护压敏电阻热保护压敏电阻 FBMOV系列

型号- V05E40P,V18MLA0805L,V18MLA0805N,V18MLA0805F,V385LA10CP,V220CH8 X,V575LA10P,V05P40P,VXXXDA40,V18MLA1210NHAUTO,V18MLN41206,TMOV14RP575E,V14H95P,V660LA100BP,TMOV34S201 EP,V10E250AUTO,TMOV34S461M,V130LA10C,V150LA20BP,TMOV14RP575M,V130LA10A,V681HG34,V10P130P,V142CA60,V270ZA05,V510LA40CP,V68ZA10P,V660LA100CP,TMOV34S661MP,V07P00P,V14H130P,V150LA20AP,V111HG34,V14P17AUTO,SMOV34S131MP,V05X50AUTO,V130LA20CP10,V22ZTX1,V3.5MLA1206,V22ZTX3,V140LA5,V47ZA7,V18RA8,V47ZA3,SMOV34S251MP,V47ZA1,V14P275P,V25S440P,V20X23P,V140LA2,V391HF34,V230LA40C,V3.5 MLA0603,TMOV34S421MP,SMOV34S131NP,V20P23AUTO,V30MLA0603,TMOV34S681M,SMOV34S251NP,V175LA20C,V230LA40A,V271HG34,V175LA20A,V20E35AUTO,V510LA40AP,TMOV34S111M,V12MLA0805L,V24RA22,V181HG34,V29MA2A,V480LTX40A,V360ZA05,V120CH8,V18ZA40PX10,V20P510P,V575LA10CP,Y9MLA0805LN,TMOV34S301MP,V18MLA0805LN,V150LA5P,RA22,V14P40P,V14P140P,V39ZA3P,V20X130P,V20E460AUTO,V20P175AUTO,V20P5AUTO,V14E40P,V625LA40A,V141DHB34,V441DHB34,TMOV34S331M,V460LA80CP,V10E30AUTO,V25S130P,V180ZA05,V321DB40,RA16,V56ZA20P,TMOV14RP750E,V3.5MLA0603NHAUTO,V481HF34,V10P150AUTO,TMOV14RP750M,V20E250P,V625LA80BP,V07E150P,V190SM7,V47ZA20P,V130LA20CX325,V20E625,V351DHB34,V05X25AUTO,V320LA40BP,TMOV34S201M,V180ZA10,V151CA32,V10P625AUTO,V14H175P,V30MLA0805LNHAUTO,V39ZA6P,V321HF34,V275LA10CP,V20E17AUTO,V481DB40,V200RA16 X2749,V8ZA1,V8ZA2,V20H320P,V20E275AUTO,V625LA80CP,V300LA40CX810,V10E14AUTO,V150LA2P,V571HF34,TMOV34S551M,V20P60P,V320LA40CP,V20E300AUTO,V14P85P,V20E60P,V20X20P,V180ZA20,V180ZA1P,V07E20AUTO,V82ZA05P,V251HB34,V20E550AUTO,V460LA10CP,V39ZA05,V10P440P,MA SERIES,V25S175P,V14H440P,V10E440P,V18MLA1206NHAUTO,V24ZTX50,VARISTOR,V575LA80CP,V100MA4B,1-2000B,V100MA4A,SMOV34S621MP,SM7,V250LA40CX620,V100MA,V26MLA1210NHAUTO,SMD,V0603MHS22F,V0603MHS22N,V230LA20CP,TMOV25SP130E,V10H40P,SMOV34S621NP,TMOV25SP130M,V14P320P,V20H25P,V230LA4,V120MLA1210N,V14MLA0805NHAUTO,V39ZA20,V39ZA1P,V551HF34,V571DB40,V0402MHS22NR,V881CA60,V330ZA05P,V430ZA05,V230LA40CP570,TMOV34S421EP,V120MA2S,V180ZA5P,V18MLN41206LWT,V20E60AUTO,V20X75AUTO,V07P7AUTO,V460SM7,V5.5MLA0603L,V480LTX80B,V5.5MLA0603N,V130LTX20B,V480LA10P,V18MA1B,V45MLA1812N,V14P85AUTO,V18MA1A,V14P42AUTO,TMOV34S151M,V230LA20AP,V20E385P,V575LA80BP,V07P320P,V20P550P,V18MA1S,V48MLA1210NHAUTO,V18ZT3P,V10H510P,V142BB60,V07X50P,V10E35P,V20X30AUTO,V20E140AUTO,V120MA1A,V150LA20C,V150LA20B,V150LA20A,TMOV34S301EP,V10E75AUTO,V14P40AUTO,V680ZA05,V661HB34,V33RA16,V05P50AUTO,175SM20,V130LA10AP,V07E460P,V200RA8,V275SM7,V20E320AUTO,V511DHB34,TMOV14RP625E,V120MA2B,V18MLA1210N,V48MLA1210LNHAUTO,TMOV14RP625M,V680LA10CP,V14X95P,V481HB34,V120MA1S,V20P14AUTO,V510SM7,V14P35AUTO,V14E440AUTO,V18MLA1206XXX,TMOV25SP175E,V18ZC3P,V07P75AUTO,V130LA10CP,TMOV25SP175M,V20P420P,V420LTX40B,V201HG34,V14E150P,V20P7AUTO,V07X95P,V271BA60,V751BA60,V100MA4S,V14P230P,V750ZA05P,V10P35P,V10P00AUTO,V251HF34,V20X60P,V300LA4,V300LA2,V240ZA05P,V82ZA4P,V301HF34,V10E25AUTO,V14E275AUTO,V14X17AUTO,V10P30P,V26MLA1206NHAUTO,V20E300P,V56MA2S,V10X25AUTO,V180ZA1,TMOV25SP440E,TMOV34S141MP,V10E30P,V180ZA5,V421DA40,V18MLN41206L,V05X30AUTO,V14X50P,TMOV25SP440M,V05E30AUTO,V282CA60,V82ZA5P,V68MLA1206,V250LA40CP620,V05X14AUTO,V18MLA0402F,V20H30P,V10E130P,TMOV34S511EP,V14E25AUTO,V750ZA05,V661BA60,SMOV34S,SM20,V56MA2B,V9MLA0402,V10H420P,V56MA2A,V07P140P,V07X17AUTO,V230LA40CX570,V20P25P,HF SERIES,V82ZA2P,V150RA8,V18AUMLA222OT,V07X40P,V47RA8,V33ZA20P,HB SERIES,V3.5MLA0805LNHAUTO,V18MLA0805NHAUTO,V661HG34,FBMOV300M,V18MLA0402N,V351HA32,V05E14AUTO,V20P250P,V25S625P,V351HA40,V20H150P,V14MLA1206N,V251DB40,V07E17AUTO,V20E25P,V141HB34,V14P250AUTO,V14E275P,V07P275P,V751HG34,V39ZA1,V82ZA12,V20H35P,V430RA22,TMOV14RP175E,TMOV20RP275M,V14E460AUTO,V391HA32,V20P385P,V10X95AUTO,V39ZA6,V39ZA3,V33ZTX5,TMOV14RP175M,TMOV20RP275E,V10H550P,V07P230P,V33ZTX1,V82ZA20,V05E60AUTO,V18MLA1206N,V511CA60,V330MA5B,V420SM7,VXXXXLAXXCP,TMOV34S621MP,V14H300P,V391HA40,V14E300AUTO,V175LA40AP,V430RA16,V48AUMLA2220,V12ZA1P,V05E75AUTO,V131HG34,V360ZA05P,V480LA7,V421DHB34,V18MLE1206XXX,V330MA2A,TMOV20RP140M,V320LA7,V8RA8,V07X35AUTO,V10E175P,TMOV34S461MP,TMOV20RP140E,V33CH8,V33MLA1206N,V14E230P,V230LA20AP1347,V0603MHS22NR,V10E95AUTO,V10H115P,V12ZA2P,V26MLA0603N,V10P75P,V14P0AUTO,V175LA20CPX425,V26MLA0603F,V82ZA05,V10P625P,V14MLA0603,V175SM20,V10X35P,V10E75P,V220ZA05,TMOV14RP130E,V14P60AUTO,V22ZA3PX1347,V07P35AUTO,V511CA32,V200RA22,TMOV14RP130M,V150LA1P,V301HB34,V10E550AUTO,V36ZA20P,V07P40P,V385SM7,V68AUMLA2220,V07E35AUTO,V20E230AUTO,V271HB34,V321HA32,V130LTX2,V625LA10,TMOV34S661EP,V05P20AUTO,V05E11P L1B5XXXXX,V9MLA0402LN,V420LA20AP,V30MLA1206N,V07E40P,V10E23AUTO,V14MLA0805LN,V10X20AUTO,TMOV34S141EP,V510LA,FBMOV385M,V14X11P,V07X75AUTO,V10H460P,V22RA16,V12ZA05,M83530/1-2200D,V10X30P,V20H460P,V07P23AUTO,V20P75AUTO,V9MLA0402LF,V05X40P,V18ZA40PX2855,V460LA40B,V460LA40C,V20P150AUTO,V625LA40AP,V25S750P,V680LA10,V420LA20CP,V27ZA4,V27ZA2,V07P85P,V14E230AUTO,V275LA10P,V39ZA05P,V141HF34,V27ZA1,V14H40P,TMOV20RP230M,V321HA40,V421HA32,V14E320P,V131BA60,V200RA16,TMOV20RP230E,V20P23P,V18MA,V9MLN41206,V10E50AUTO,V14X42AUTO,V

选型指南 - LITTELFUSE - Revised: 09/14/17 PDF 中文下载

硕凯电子（Socay）MOV压敏电阻选型指南

目录- Radial Lead Metal Oxide Varistor

型号- 14D181K,40D271K,25D301K,10D681KJ,10D221KJ,07D121KJ,14D821K,20D470K,20D361K,14D182KJ,10D112KJ,40D911K,14D180K,07D220K,32D361K,05D621K,53D122K,07D680K,14D820K,25D751K,10D560KJ,14D301KJ,10D331KJ,20D181KJ,07D241KJ,07D241K,32D241K,32D471K,40D152K,05D511K,07D471K,20D201KJ,10D220KJ,34S621K,05D470KJ,20D431KJ,20D121K,14D390KJ,53D112K,05D361KJ,07D680KJ,14D181KJ,07D471KJ,07D121K,14D182K,53D221K,53D681K,20D471K,20D241K,10D561KJ,20D182KJ,32D122K,10D330KJ,05D820K,07D221KJ,34S821K,14D270KJ,25D511K,05D241KJ,10D511K,40D182K,05D471KJ,05D180K,34S182K,20D151K,14D391KJ,20D781KJ,07D681KJ,07D361K,20D911K,05D121KJ,07D470K,10D621K,07D330KJ,07D561KJ,20D271K,10D121KJ,14D511KJ,32D221K,32D112K,07D220KJ,14D621KJ,53D361K,32D681K,10D680KJ,14D271KJ,10D241KJ,10D751K,32D331K,10D911KJ,53D241K,14D781KJ,32D561K,25D621K,40D391K,53D471K,07D560KJ,05D680KJ,32D102K,20D331KJ,10D470KJ,40D122K,20D431K,10D820KJ,20D681KJ,20D201K,10D301K,20D221KJ,20D781K,25D681K,10D361KJ,05D201K,25D122K,05D431K,34S301K,07D151KJ,07D301K,20D561KJ,53D301K,05D390KJ,20D330KJ,40D112K,40D221K,40D681K,25D561K,25D331K,34S201K,34S431K,40D,07D431K,10D821KJ,10D471KJ,07D201K,20D220KJ,14D471K,05D511KJ,20D911KJ,20D151KJ,14D241K,40D331K,40D561K,32D391K,25D221K,53D,25D112K,05D621KJ,05D270KJ,14D911KJ,53D751K,14D151KJ,14D470K,20D560KJ,07D271KJ,14D361K,05D391KJ,07D470KJ,32D271K,14D270K,14D391K,05D751K,53D331K,53D561K,20D112K,20D220K,20D680K,14D470KJ,53D102K,05D151KJ,32D911K,14D390K,25D102K,07D781K,40D361K,05D271KJ,34S511K,10D431K,07D361KJ,10D201K,10D781K,20D122K,07D820KJ,20D241KJ,20D471KJ,07D330K,05D301K,07D681K,07D560K,20D680KJ,32D,20D,40D241K,40D471K,32D152K,53D781K,20D102K,07D221K,05D820KJ,10D331K,10D330K,10D560K,10D681K,10D101K,14D471KJ,20D331K,20D561K,53D431K,53D201K,10D151KJ,14D271K,14D361KJ,07D561K,25D431K,25D201K,20D101K,07D101K,07D331K,34S751K,10D561K,10D102K,14D911K,20D221K,20D560K,20D681K,20D330K,07D821KJ,25D781K,14D151K,20D470KJ,10D,05D121K,20D621K,34S122K,05D201KJ,20D361KJ,05D431KJ,34S,20D820KJ,14D102K,32D511K,40D301K,25D271K,10D511KJ,14D121KJ,14D821KJ,05D241K,20D511K,14D241KJ,05D471K,10D271KJ,10D220K,10D221K,05D180KJ,10D112K,10D680K,14D101K,14D331K,14D561K,32D621K,25D391K,07D181KJ,07D301KJ,20D821KJ,34S241K,34S471K,05D361K,07D621K,10D241K,05D470K,10D471K,14D680KJ,14D431K,14D201K,25D,25D152K,40D751K,14D820KJ,07D751KJ,10D270KJ,10D121K,20D121KJ,10D621KJ,10D391KJ,25D911K,14D781K,25D361K,14D,40D102K,14D330KJ,05D301KJ,14D560KJ,34S102K,05D101K,05D561K,05D331K,07D511KJ,07D391KJ,14D221KJ,14D681KJ,14D122K,14D112KJ,10D751KJ,40D781K,05D221K,05D330K,05D560K,05D681K,34S781K,20D301K,07D511K,10D361K,10D390KJ,10D470K,20D122KJ,53D511K,07D270KJ,14D121K,10D182KJ,14D331KJ,40D201K,40D431K,14D561KJ,34S112K,34S681K,05D220K,07D390KJ,34S221K,05D680K,14D220KJ,53D621K,14D112K,14D221K,14D560K,14D681K,10D301KJ,07D621KJ,14D122KJ,05D,14D330K,25D471K,25D241K,20D751K,07D751K,34S561K,20D271KJ,34S331K,32D821K,05D181KJ,14D680K,10D181KJ,14D220K,14D102KJ,53D391K,10D911K,07D271K,07D781KJ,10D271K,05D391K,05D270K,05D390K,20D112KJ,34S271K,05D220KJ,07D,20D511KJ,07D151K,34S911K,53D271K,32D781K,10D151K,20D270KJ,05D681KJ,20D621KJ,53D911K,20D101KJ,20D182K,32D201K,32D431K,10D180KJ,14D751K,20D391KJ,05D560KJ,05D751KJ,14D101KJ,07D390K,10D201KJ,14D431KJ,20D391K,14D621K,20D270K,05D221KJ,07D101KJ,10D390K,05D561KJ,05D330KJ,53D152K,07D270K,07D391K,10D270K,07D331KJ,05D181K,20D390K,34S391K,14D511K,20D102KJ,10D391K,40D821K,20D390KJ,10D781KJ,10D182K,07D180KJ,07D821K,53D821K,14D180KJ,32D301K,25D182K,40D511K,53D182K,05D331KJ,34S361K,10D102KJ,40D621K,20D821K,07D180K,10D180K,10D820K,05D151K,34S152K,10D431KJ,14D201KJ,20D181K,25D821K,32D751K,14D751KJ,07D431KJ,20D301KJ,07D201KJ,20D751KJ,20D820K,07D181K,05D101KJ,10D181K,10D821K,07D820K,05D271K,10D101KJ,14D301K,20D180K,20D180KJ

选型指南 - 硕凯电子 - 2019/3/14 PDF 英文下载

基于硕凯压敏电阻14D561K的IGBT快速开关电路，在浪涌抗干扰度试验中通过4级，且试验电压提高10%

本试验选用压敏电阻14D561K：击穿电压：504V-616V；通流量IPP高达4500A；位电压最大值 925V（50A）；工作温度：-55 至+125°C；具有通流量大、残压低、响应时间快等特点。当干扰电压达到一定值时，就会把两端的电压钳位住，从而保护IGBT不被击穿

应用方案发布时间 : 2024-10-25

Nippon Chemi-Con（黑金刚）陶瓷压敏电阻TNR™选型指南（中文）

描述- TNR是以氧化锌 (ZnO)为主要成分的非直线电阻元件，是作为这些浪涌电流和噪声等异常电压的吸收元件而开发的新型压敏电阻。和过去的压敏电阻不同，该元件浪涌电流耐量及非直线系数非常大，当在某个临界电压以下时，电阻非常高，几乎没有电流流过，如果超过该临界电压，电阻急剧降低，大电流流过。由于这种特性，作为电子,电气设备的保护元件，对异常电压的吸收,雷浪涌的吸收等发挥着很大的作用。

型号- TND12V-112K,TNR12SV511K417-T71,TND12V-681K,TND05SV270KTBAAAA0,TND09V-201K,TNR5SV560K-T25,TND20V-241KB00AAA0,TND09V-511KB00AAA0,TND23GF821K,TND10SV221K,TND10SV330K,TND14V-821KB00AAA0,TND20V-680KB00AAA0,TNR23GF271K-E,TND10V-121KB00AAA0,TND14V-102KB00AAA0,TND05V-180K,TND14V-361K,TNR9V431K,TND10V-560KB00AAA0,TND20V-220K,TNR23H330K,TND05V-820K,TND14V-470K,TND15GF471KB00EAA0,TNR10V122K□,TND20V-680K,TND20V-182KB00AAA0,TND12SV,TND15GF821K,TND14SV390K,TNR20SV431K,TNR5V201K,TNR14V241K,TNR7V181K,TNR10V821K□,TND09V-180KB00AAA0,TND20V-112K,TND20V-221K,TND20V-681K,TND20V-330K,TND20SV470KB00AAA0,TND14V-152KB00AAA0,TNR7V820K,TND07V－***K,TND07V-180KB00AAA0,TNR14SV561K417-T71,TND05SV220KTBAAAA0,TNR12SV561K417-T71,TNR10V271K,TND14V-331KB00AAA0,TNR SV 系列,TND09V-331K,TNR7V180K,TND20V-331K,TND10SV220K,TND14SV390KTBAAAA0,TND10SV680K,TNR20V431K,TNR10V270K,TNR20SV102K,TNR14SV511K417-T71,TNR9V101K,TNR14V150K,TND14V-271K,TND □□ V-151K,TND07SV330K,TNR20V561K,TND07SV221K,TND □□ V-150K,TND10V-241KB00AAA0,TND14SV***K,TND14V-911K,TND12V-821KB00AAA0,TNR20V101K,TND15GF821KB00EAA0,TNR15H330K,TNR20SV561K,TNR7V271K,TNR10SV561K□-T71,TND07SV220KTBAAAA0,TND07SV680K,TNR14V391K,TND07SV220K,TNR H 系列,TNR5SV220K-T25,TND10SV,TNR9V560K,TND15GF271K,TND20SV470K,TNR20V102K,TNR10V181K,TND20V- □□□ K,TNR20SV560K,TND20V-201K,TNR12SV102K,TNR7V270K,TNR14V152K,TND07V-390KB00AAA0,TND14V-751KB00AAA0,TNR12SV681K417-T71,TND □□ V-390K,TND07V-471KB00AAA0,TNR10V180K,TND-05V- □□□ K,TND14SV821KB00AAA0,TNR14V151K,TND14V-270K,TNR10SV511K□-T71,TND20V-121KB00AAA0,TND20SV680KB00AAA0,TNR20V560K,TNR10SV621K□-T71,TND14SV220KTBAAAA0,TNR10V820K,TNR10V471K□,TND20SV330KB00AAA0,TND□□V-270K,TND12V-152K,TND07SV390KTBAAAA0,TND14V-182K,TND23H-390K,TND10V-470KB00AAA0,TND14SV102KB00AAA0,TNR7V511K,TNR12V561K,TNR14V331K,TND14V-560KB00AAA0,TND09V-511K,TND □□ V-241K,TND10V-621KB00A◇A0,TND14V-471KB00AAA0,TNR5SV431K-T25,TNR12H390K,TND14SV621KTLBPAA0,TNR12V102K,TND07V-270KB00AAA0,TND12SV621KTLBPAA0,TNR15H220K,TND20SV271KB00AAA0,TNR14V201K,TND05V-270K,TND12V-182KB00AAA0,TND14V-180K,TND09V-270KB00AAA0,TND12H-470KB00AAA0,TND14V-820K,TND12V-152KB00AAA0,TND09H-270K,TND05SV560K,TND□□V-182K,TND05V-180KB00AAA0,TND15H-390K,TND10SV390KTBAAAA0,TND20V-751K,TNR7SV330K-T25,TND05V-271K,TND23GF471K,TND07V-390K,TND14V-821K,TND09V-220KB00AAA0,TND14SV271KTLBPAA0,TNR10SV911K□,TND20V-470KB00AAA0,TND □□ V-220K,TND09V-180K,TND20V-271KB00AAA0,TND09V-820K,TND20SV621KB00AAA0,TND12V-911KB00AAA0,TND10V-680KB00AAA0,TNR10V621K□,TND12V-102KB00AAA0,TND23GF271K,TND20V-511K,GF系列,TND09H-390KB00AAA0,TND10SV***KBESA◇A0,TND □□ V-221K,TNDV-KB,TNR14SV560K-T25,TNR14V221K,TNR5SV471K-T25,TNR14V330K,TNR14V681K,TND05V-390KB00AAA0,TNR14V112K,TND20V-621K,TNR5V180K,TNR23H220K,TND20SV241KB00AAA0,TND07SV511KTBAAAA0,TND05V-471KB00AAA0,TNR14SV751K,TND05SV471K,TND□□V-271K,TND05SV470K,TND09V,TNR14V220K,TND14SV270KTBAAAA0,TNR5SV270K-T25,TNR5V181K,TND23H-470KB00AAA0,TND12H-270K,TNR9H390K,TNR14V680K,TND□□V-911K,TNR5V820K,TND-10V- □□□ K,TNR12V431K,TND15GF471K,TND14V-511KB00AAA0,TND14V-180KB00AAA0,TND20SV270K,TNR20SV271K,TND10SV751KB00A◇A0,TND05V-680K,TND12SV751KB00AAA0,TND05V-220K,TND09V-390K,TND12V-431KB00AAA0,TND07SV471KTBAAAA0,TND10V-270K,TNR15H270K,TND10SV***KS,TND10V-271K,TNR9V391K,TND07V-121KB00AAA0,TNR10V751K□,TND07V-560KB00AAA0,TND07SV330KTBAAAA0,TND10SV***K,TND07V,TNR14V751K,TNR20V270K,SV系列,TND14SV911KB00AAA0,TND14SV511KTLBPAA0,TNR20SV270K,TND05V-221K,TND05V-330K,TNR9V390K,TNR20V271K,TNR14V621K,TND20V-330KB00AAA0,TNR20V182K,TNR5V390K,TNR7V101K,TND20V-221KB00AAA0,TND05V-270KB00AAA0,TND07SV271KTBAAAA0,TND10SV471KTLBP◇A0,TND10V-511KB00A◇A0,TND□□V-471K,TND10V-911K,TND14SV102K,TNR14V511K,TND10SV560KTBAAAA0,TND05V,TND12V-681KB00AAA0,TND07SV270K,TNR5V391K,TNR7V560K,TNR12V152K,TND14V-470KB00AAA0,TND□□V-470K,TND07V-241K,TND20V-911KB00AAA0,TNR20V180K,TND05SV330KTBAAAA0,TND09V-560KB00AAA0,TND10SV511KTLBP◇A0,TND20V-181KB00AAA0,TND20V-102KB00AAA0,TND07V-391K,TND09V-181KB00AAA0,TND05V-470KB00AAA0,TND05V-560KB00AAA0,TNR10V431K,TNR20SV821K,TNR20V820K,TND12V－***K,TND10SV390K,TND14SV560K,TND05SV270K,TND07SV431KTBAAAA0,TNR14SV390K-T25,TNR5V151K,TNR20V181K,TND14SV221KTLBPAA0,TND09V-151K,TND05V-241K,TND10SV221KTLBPAA0,TNR23H390K,TND12SV511KTLBPAA0,TND10V-911KB00A◇A0,TND12H-470K,TND10V-431KB00AAA0,TND15H-470K,TND12SV681KTLBPAA0,TND20V-820KB00AAA0,TNR20V821K,TND07V-150K,TND-14V- □□□ K,TND10V-471K,TND07V- □□□ K,TND09V-150K,TND07V-151K,TNR7V431K,TND09V-391K,TND10V-361K,TND14V－***K,TNR7SV511K-T25,TND10V-470K,TND20V-391K,TND20V-390K,TNR23GF471K-E,TND14V-151KB00AAA0,TND12SV***K,TND20V-471KB00AAA0,TNR5SV390K-T25,23GF,TNR10V101K,TND23GF271KB00EAA0,TND14SV471KTLBPAA0,TND09V-241K,TNR9H220K,TNR7V470K,TNR14V182K,TNR7V361K,TND23GF471KB00EAA0,TND20V-511KB00AAA0,TND20SV221K,TND20SV330K,TND05V-151KB00AAA0,TND10V-122K,TND23H-220KB00AAA0,TND12SV102K,TND07V-331K,TNR10V560K,TNR14V821K,TND09V-241KB00AAA0,TNR20V121K,TND07V-181KB00AAA0,TND10V-361KB00AAA0,TNR14V820K,TND09H-270KB00AAA0,TND14V-121KB00AAA0,TND20V-151K,TNR14V181K,TND20SV220K,TND20V-151KB00AAA0,TND07SV511K,TND10V-121K

选型指南 - NIPPON CHEMI-CON - 2023/6/12 PDF 中文下载查看更多版本

Nippon Chemi-Con（黑金刚）陶瓷压敏电阻TNR™选型指南（中文）

目录- 陶瓷压敏电阻

型号- TNR12SV511K417-T71,TND12V-112K,TND05SV270KTBAAAA0,TNR5SV560K-T25,TND20V-241KB00AAA0,TND09V-511KB00AAA0,TND23GF821K,TND10SV221K,TND10SV330K,TND14V-821KB00AAA0,TND20V-680KB00AAA0,TNR23GF271K-E,TND10V-121KB00AAA0,TND14V-102KB00AAA0,TND05V-180K,TNR9V431K,TND10V-560KB00AAA0,TND20V-220K,TNR23H330K,TND14V-470K,TND15GF471KB00EAA0,TND05V-820K,TNR10V122K□,TND20V-680K,TND10V-□□□K,TND20V-182KB00AAA0,TND12SV,TND15GF821K,TND14SV390K,TNR20SV431K,TNR5V201K,TNR14V241K,TNR7V181K,TNR10V821K□,TND09V-180KB00AAA0,TND20V-221K,TND20V-330K,TND20SV470KB00AAA0,TND□□ V-271K,TND14V-152KB00AAA0,TNR7V820K,TND07V-180KB00AAA0,TND07V－***K,TNR14SV561K417-T71,TND05SV220KTBAAAA0,TNR12SV561K417-T71,TNR10V271K,TND14V-331KB00AAA0,TNR SV 系列,TNR7V180K,V SERIES,TND10SV220K,TND14SV390KTBAAAA0,TND10SV680K,TNR20V431K,TNR10V270K,TNR20SV102K,TNR14SV511K417-T71,TNR9V101K,TNR14V150K,TND14V-271K,TND □□ V-151K,TND07SV330K,TNR20V561K,TND07SV221K,TND □□ V-150K,TND10V-241KB00AAA0,TND14SV***K,TND12V-821KB00AAA0,TNR20V101K,TND15GF821KB00EAA0,TNR15H330K,TNR20SV561K,TNR7V271K,TNR10SV561K□-T71,TND07SV220KTBAAAA0,TND07SV680K,TNR14V391K,TND07SV220K,TNR H 系列,TNR5SV220K-T25,TND10SV,TNR9V560K,TND15GF271K,TND20SV470K,TNR20V102K,TNR10V181K,TND20V- □□□ K,TNR20SV560K,TNR12SV102K,TNR7V270K,TNR14V152K,TND07V-390KB00AAA0,TND14V-751KB00AAA0,TNR12SV681K417-T71,TND □□ V-390K,TND07V-471KB00AAA0,TNR10V180K,TND14SV821KB00AAA0,TNR14V151K,TND14V-270K,TNR10SV511K□-T71,TND20V-121KB00AAA0,TND20SV680KB00AAA0,TNR20V560K,TNR10SV621K□-T71,TND14SV220KTBAAAA0,TNR10V820K,TNR10V471K□,TND20SV330KB00AAA0,TND□□V-270K,TNR V系列,TND12V-152K,TND07SV390KTBAAAA0,TND14V-182K,TND10V-470KB00AAA0,TND14SV102KB00AAA0,TNR7V511K,TNR12V561K,TND 10V-150K,TNR14V331K,TND14V-560KB00AAA0,TND □□ V-241K,TND10V-621KB00A◇A0,TND14V-471KB00AAA0,TNR5SV431K-T25,TNR12H390K,TND14SV621KTLBPAA0,TNR12V102K,TND07V-270KB00AAA0,TND12SV621KTLBPAA0,TNR15H220K,TND20SV271KB00AAA0,TNR14V201K,TND05V-270K,TND12V-182KB00AAA0,TND09V-270KB00AAA0,TND12H-470KB00AAA0,TND14V-820K,TND12V-152KB00AAA0,TND05SV560K,TND□□V-182K,TND05V-180KB00AAA0,TND10SV390KTBAAAA0,TNR7SV330K-T25,TND07V-390K,TND09V-220KB00AAA0,TND14SV271KTLBPAA0,TNR10SV911K□,TND20V-470KB00AAA0,TND □□ V-220K,TND20V-271KB00AAA0,TND20SV621KB00AAA0,TND09V-820K,TND12V-911KB00AAA0,TND10V-680KB00AAA0,TNR10V621K□,TND12V-102KB00AAA0,TND23GF271K,TND20V-511K,GF系列,TND09H-390KB00AAA0,TND □□ V-221K,TNR14SV560K-T25,TNR14V221K,TNR5SV471K-T25,TNR14V330K,TNR14V681K,TND05V-390KB00AAA0,TNR14V112K,TNR5V180K,TNR23H220K,TND20SV241KB00AAA0,TND07SV511KTBAAAA0,TND05V-471KB00AAA0,TNR14SV751K,TND05SV471K,TND□□V-271K,TND05SV470K,TNR14V220K,TND14SV270KTBAAAA0,TND09V,TNR5SV270K-T25,TNR5V181K,TND23H-470KB00AAA0,TNR9H390K,TNR14V680K,TND□□V-911K,TNR5V820K,TNR12V431K,TND14V-511KB00AAA0,TND14V-180KB00AAA0,TND20SV270K,TNR20SV271K,TND10SV751KB00A◇A0,TND12SV751KB00AAA0,TND05V-220K,TND05V-680K,TND12V-431KB00AAA0,TND07SV471KTBAAAA0,TND10V-270K,TNR15H270K,TND10SV***KS,TNR9V391K,TND07V-121KB00AAA0,TNR10V751K□,TND 10V-122K,TND07V-560KB00AAA0,TND07SV330KTBAAAA0,TND10SV***K,TND07V,TNR14V751K,TNR20V270K,SV系列,TND14SV911KB00AAA0,TND14SV511KTLBPAA0,TNR20SV270K,TND05V-221K,TND05V-330K,TNR9V390K,TNR20V271K,TNR14V621K,TND20V-330KB00AAA0,TNR20V182K,TND 10V-561K,TNR5V390K,TNR7V101K,TND20V-221KB00AAA0,TND05V-270KB00AAA0,TND07SV271KTBAAAA0,TND10SV471KTLBP◇A0,TND10V-511KB00A◇A0,TND□□V-471K,TND14SV102K,TNR14V511K,TND10SV560KTBAAAA0,TND05V,TND12V-681KB00AAA0,TND07SV270K,TNR5V391K,TNR7V560K,TNR12V152K,TND14V-470KB00AAA0,TND□□V-470K,TND20V-911KB00AAA0,TNR20V180K,TND05SV330KTBAAAA0,TND09V-560KB00AAA0,TND10SV511KTLBP◇A0,TND20V-181KB00AAA0,TND20V-102KB00AAA0,TND09V-181KB00AAA0,TND05V-470KB00AAA0,TND05V-560KB00AAA0,TNR10V431K,TNR20SV821K,TNR20V820K,TND12V－***K,TND10SV390K,TND14SV560K,TND05SV270K,TND07SV431KTBAAAA0,TNR14SV390K-T25,TNR5V151K,TNR20V181K,TND14SV221KTLBPAA0,TND10SV221KTLBPAA0,TNR23H390K,TND12SV511KTLBPAA0,TND10V-911KB00A◇A0,TND12H-470K,TND10V-431KB00AAA0,TND15H-470K,TND12SV681KTLBPAA0,TND20V-820KB00AAA0,TNR20V821K,TND07V-150K,TND10V-471K,TND07V- □□□ K,TND09V-150K,H系列,TNR7V431K,TNR7SV511K-T25,TND10V-470K,TND14V－***K,TND20V-390K,TNR23GF471K-E,TND14V-151KB00AAA0,TND20V-471KB00AAA0,TND12SV***K,TNR5SV390K-T25,SV SERIES,TNR10V101K,TND23GF271KB00EAA0,TND14SV471KTLBPAA0,TNR9H220K,TNR7V470K,TNR14V182K,TNR7V361K,TND23GF471KB00EAA0,TND20V-511KB00AAA0,TND20SV221K,TND20SV330K,TND05V-151KB00AAA0,TND23H-220KB00AAA0,TND12SV102K,TNR10V560K,TNR14V821K,TND09V-241KB00AAA0,TNR20V121K,TND07V-181KB00AAA0,TND10V-361KB00AAA0,TNR14V820K,TND09H-270KB00AAA0,TND14V-121KB00AAA0,TNR14V181K,TND20SV220K,TND05V-□□□K,TND20V-151KB00AAA0,TND07SV511K,TNR9V241K,TNR20V122K,TND10V-220KB00AAA0,TND20SV680K,TND20SV221KB00AAA0,TND15H-330KB00AAA0,TNR20SV471K,TNR5V241K,TND05SV271KTBAAAA0,TND20SV560KB00AAA0,TND14V-560K,TND09V-330KB00AAA0,TND10V-560K,TND20V,TND10V－***K,TND14V-561K,TNR20V470K,TNR14SV471K417-T71,TNR20V361K,TND10SV470KTBAAAA0,TND□□V-431K,TND20SV911KB00AAA0,TNR12SV471K417-T71,TND14V-911KB00AAA0,TNR10SV681K□-T71,TND10SV102KB00A◇A0,TND14SV560KTBAAAA0,TNR9H330K,TNR20SV470K,TND12S

选型指南 - NIPPON CHEMI-CON - 2022/5/9 收起

DC24V电源端口浪涌保护

DC24V电源端口浪涌保护DC24V电源是一种为设备提供稳定、可靠的直流电压输出的电源，其广泛应用于工业自动化控制系统。此方案设计为多级保护的方式，初级采用通流能力较强的陶瓷气体放电管和压敏电阻组合来承受泻放大的浪涌电流，中间使用电感做退耦，次级选用响应电压精准、稳定且快速的TVS管做保护，能有效抑制各类浪涌过电压，使后端的DC芯片及电路得到全面的保护。

应用方案发布时间 : 2024-01-24

介绍压敏电阻的特点及应用

压敏电阻（Varistor）是一种电压敏感型电阻元件，当施加的电压超过其额定值时，电阻迅速减小，从而起到过电压保护作用。它广泛应用于电子设备中，防止电路因瞬态电压、浪涌电流或雷击等引发的损坏。本文中优恩半导体来为大家介绍压敏电阻的特点及应用，希望对各位工程师朋友有所帮助。

技术探讨发布时间 : 2024-10-19

赛尔特（SETsafe丨SETfuse）MOV压敏电阻选型指南（简版）

描述- 赛尔特设计、制造、销售业界领先的电路控制及安全保护元器件、提供电路安全解决方案。产品销往40多个国家和地区，与世界500强的部分企业有深远的合作，首创、独创多个产品；取得CCC、UL、cUL、VDE、TUV、PSE、KC等认证，符合RoHS、REACH。SETsafe | SETfuse has a presence in more than 40 countries and regions recognising products. Some of the world's 500 fortune companies are valuable customers.

型号- 14D,TFV15S SERIES,SFV20DXXXK,10D,10D 系列,20S 系列,14D201,34S,10S,SFV40SXXXK,7D SERIES,53D 系列,20D SERIES,SFV7DXXXKT,20S SERIES,20D471,TFV8S 系列,SFV10SXXXK,TFV,TFV10S,25D821,TFV15S 系列,TFV10SXXX,15S,34S821,10S SERIES,15S 系列,TFV SERIES,TYPE K,10D621,20D 系列,TYPE H,25D SERIES,SFV15SXXXK,SFV10DXXXKT,SFV10DXXXK,7D 系列,TYPE T,20D201,SFV34SXXXK,TFV8S SERIES,TFV10S SERIES,TYPE Q,15S SERIES,SFV20SXXXK,53D SERIES,20D,15S820,34S431,14D820,14D621,25D431,SFV14DXXXK,14D 系列,TFV15S,SFV53DXXXK,34S SERIES,34S 系列,20S,25S 系列,SFV7DXXXK,TFV15SXXX,25D,SFV14DXXXKT,14D SERIES,53D,TFV8SXXX,SFV25DXXXK,10D681,7D,SFV25SXXXK,25D201,10D201,25S,10D SERIES,14D471,25S SERIES,25D 系列,SFV20DXXXKT,TFV10S 系列,TFV8S,10S 系列

选型指南 - 赛尔特 - Jun 2, 2022 PDF 中英文下载

赛尔特（SETsafe丨SETfuse）TFMOV 热保护型压敏电阻（熔断合金型）选型指南

描述- 热保护型压敏电阻-熔断合金型Thermal Fuse & MOV（TFMOV）是一种带热保护的压敏电阻。该产品具有有压敏电阻（MOV）的所有特性，同时还带有热保护的功能。MOV存在因为长期工作自然劣化、或异常的浪涌导致的劣化两种情况的劣化。当浪涌来临时，劣化后的MOV漏电流持续增大，会导致MOV表面温度持续升高，并有着火可能。这时TFMOV中的温度保险丝（易熔合金）感温到这个异常温度而动作（熔断），将MOV从主回路中脱离从而保护整个电路，以及MOV本身不会持续发热，着火的现象。

型号- TFMOV25D680X,TFMOV20S271X,TFMOV25S101X,TFMOV25S331X,TFMOV20S151LX,TFMOV34S201LX,TFMOV20S270X,TFMOV20S391X,TFMOV34S431LX,TFMOV25S511LX,TFMOV15S301,TFMOV25S330X,TFMOV25S271LX,TFMOV25S221X,TFMOV25S112X,TFMOV25D122X,TFMOV20S621LX,TFMOV20S390X,TFMOV34S201X,TFMOV20K820X,TFMOV21R3P系列,TFMOV34S431X,TFMOV10S271,TFMOV21R3P511,TFMOV20SXXXL系列,TFMOV10S151,TFMOV10S390,TFMOV10S391,TFMOV10S270,TFMOV25D121X,TFMOV25S560X,TFMOV25S681X,TFMOV15S680,TFMOV15S681,TFMOV15S560,TFMOV15S561,TFMOV20K181X,TFMOV15S201,TFMOV20S271LX,TFMOV25D241X,TFMOV20K821X,TFMOV25D471X,TFMOV21R2P820,TFMOV20S151X,TFMOV25S621LX,TFMOV20S911X,TFMOV25S102X,TFMOV34SXXXL,TFMOV25S561X,TFMOV25S391LX,TFMOV15S431,TFMOV10S621-3-001,TFMOV34S101LX,TFMOV34S561LX,TFMOV20S470L,TFMOV25D361X,TFMOV34S331LX,TFMOV25D470X,TFMOV40K751X,TFMOV25S121X,TFMOV25S680L,TFMOV15S,TFMOV34S102X,TFMOV15S221,TFMOV15S101,TFMOV21R2P系列,TFMOV34S331X,TFMOV20K241,TFMOV25S241X,TFMOV34S561X,TFMOV25S681L,TFMOV10S121,TFMOV10S361,TFMOV10S241,TFMOV25S470,TFMOV20S621L-IT-3-001,TFMOV25S680X,TFMOV34S101X,TFMOV15S330,TFMOV15S331,TFMOV40K511X,TFMOV20S470LX,TFMOV34S221X,TFMOV34S560X,TFMOV10S470,TFMOV20S241X,TFMOV20S471X,TFMOV34S681X,TFMOV10S471,TFMOV34S181,TFMOV34S221LX,TFMOV10S101,TFMOV25S471X,TFMOV20S820LX,TFMOV15S361,TFMOV34S112X,TFMOV15S241,TFMOV15S121,TFMOV25S301LX,TFMOV40K621X,TFMOV21R3P820,TFMOV34S680X,TFMOV20S470X,TFMOV20S361X,TFMOV25S122X,TFMOV25S681,TFMOV10S221,TFMOV25S680,TFMOV15S470,TFMOV15S471,TFMOV25S181LX,TFMOV34S681L,TFMOV21R2P331,TFMOV15S390,TFMOV15S391,TFMOV15S270,TFMOV15S271,TFMOV20S471LX,TFMOV40K391X,TFMOV20S241LX,TFMOV10S330,TFMOV10S331,TFMOV25S470L,TFMOV25D301X,TFMOV20S181,TFMOV34SXXXL系列,TFMOV10S201,TFMOV20K361X,TFMOV21R2P560,TFMOV21R2P201,TFMOV20K561,TFMOV40K150X,TFMOV40K271X,TFMOV10S561,TFMOV21R3P121,TFMOV21R3P241,TFMOV10S680,TFMOV10S681,TFMOV21R3P361,TFMOV10S560,TFMOV20S系列,TFMOV10S431,TFMOV20K241X,TFMOV20K471X,TFMOV20K350X,TFMOV25S470X,TFMOV34S621X,TFMOV21R2P431,TFMOV20S181L,TFMOV25S361X,TFMOV40K151X,TFMOV25D181,TFMOV21R3P471,TFMOV10S301,TFMOV20S820L,TFMOV25S201LX,TFMOV15S621-3-001,TFMOV34S621L-IT-3-001,TFMOV20S361LX,TFMOV40K911X,TFMOV21R2P680,TFMOV34S511X,TFMOV21R2P301,TFMOV25D431X,TFMOV21R3P101,TFMOV21R3P221,TFMOV25D201X,TFMOV21R3P470,TFMOV15S151,TFMOV20K911X,TFMOV25S270X,TFMOV25S391X,TFMOV40K181X,TFMOV34S680,TFMOV34S681,TFMOV21R3P331,TFMOV20S821X,TFMOV20K151X,TFMOV25D621-IT-3-001,TFMOV20S181X,TFMOV34S181LX,TFMOV40K820X,TFMOV25S390X,TFMOV15S181,TFMOV34S751X,TFMOV21R3P201,TFMOV20S820X,TFMOV25S431LX,TFMOV21R3P560,TFMOV25S911X,TFMOV21R3P680,TFMOV25D102X,TFMOV10S511,TFMOV10S751,TFMOV34S301LX,TFMOV20S680LX,TFMOV40K821X,TFMOV10S系列,TFMOV25S151X,TFMOV21R2P511,TFMOV25D331X,TFMOV25D561X,TFMOV21R3P431,TFMOV25D101X,TFMOV10S621,TFMOV20K391X,TFMOV25S101LX,TFMOV34S301X,TFMOV25S271X,TFMOV25D560X,TFMOV25D681X,TFMOV20S560LX,TFMOV34S470,TFMOV21R3P301,TFMOV25D330X,TFMOV25D221X,TFMOV25D112X,TFMOV20K271X,TFMOV20K150X,TFMOV20S681LX,TFMOV20S121LX,TFMOV25S181X,TFMOV40K460X,TFMOV40K121X,TFMOV34S271X,TFMOV25S821X,TFMOV25S221LX,TFMOV21R2P181,TFMOV25S560LX,TFMOV25S821,TFMOV25S820,TFMOV40K122X,TFMOV20S561LX,TFMOV25D470,TFMOV34S391X,TFMOV25S181L,TFMOV25S681LX,TFMOV20K201X,TFMOV20K431X,TFMOV20S101LX,TFMOV34S621-IT-3-001,TFMOV25S331LX,TFMOV34S系列,TFMOV25S820L,TFMOV20S221LX,TFMOV40K系列,TFMOV20K101X,TFMOV20K331X,TFMOV20K561X,TFMOV10S820,TFMOV10S821,TFMOV20S301X,TFMOV40K112X,TFMOV40K681X,TFMOV25S561LX,TFMOV34S820LX,TFMOV34S151LX,TFMOV40K221X,TFMOV25D621X,TFMOV40K,TFMOV25S820X,TFMOV20K550X,TFMOV20K102X,TFMOV20S331LX,TFMOV20S470,TFMOV21R2P271,TFMOV21R2P391,TFMOV21R2P151,TFMOV34S821X,TFMOV34S621LX,TFMOV25D680,TFMOV20S201LX,TFMOV25D511X,TFMOV21R3P181,TFMOV25D681,TFMOV21R2P121,TFMOV20S751X,TFMOV34S820X,TFMOV21R2P241,TFMOV25S621L-IT-3-001,TFMOV25S系列,TFMOV34S181X,TFMOV20K681X,TFMOV20K221X,TFMOV20K112X,TFMOV34S271LX,TFMOV34S511LX,TFMOV25S121LX,TFMOV34S181L,TFMOV40K361X,TFMOV25D751X,TFMOV34S391LX,TFMOV20S621X,TFMOV25S241LX,TFMOV25S621X,TFMOV20K460X,TFMOV34S820L,TFMOV20K121X,TFMOV20S681,TFMOV25D系列,TFMOV25S621-IT-3-001,TFMOV20S680,TFMOV21R2P361,TFMOV21R2P101,TFMOV21R2P221,TFMOV40K350X,TFMOV40K241X,TFMOV40K471X,TFMOV20K820,TFMOV20S511X,TFMOV20SXXXL,TFMOV25S680LX,TFMOV21R3P151,TFMOV21R3P271,TFMOV21R3P621-4-001,TFMOV21R3P391,TFMOV20S431LX,TFMOV20K122X,TFMOV21R2P471,TFMOV21R2P470,TFMOV25D151X,TFMOV20S301LX,TFMOV25S820LX,TFMOV20S680L,TFMOV20K511X,TFMOV25S470LX,TFMOV20S122X,TFMOV15S820,TFMOV15S821,TFMOV34S122X,TFMOV34S680L,TFMOV25SXXXL,TFMOV25S361LX,TFMOV34S680LX,TFMOV25D271X,TFMOV40K300X,TFMOV20K621X,TFMOV34S,TFMOV20S121X,TFMOV25SXXXL系列,TFMOV10S,TFMOV25D911X,TFMOV25S511X,TFMOV20S181LX,TFMOV34S121X,TFMOV20K系列,TFMOV25D391X,TFMOV34S121LX,TFMOV34S560LX,TFMOV40K301X,TFMOV20S560X,TFMOV20S681X,TFMOV25D270X,TFMOV34S241X,TFMOV34S471X,TFMOV20S330X,TFMOV20S221X,TFMOV25S471LX,TFMOV20K911,TFMOV20S112X,TFMOV25S,TFMOV20K751X,TFMOV15S系列,TFMOV34S681LX,TFMOV25D390X,TFMOV25D,TFMOV20K621-IT-3-001,TFMOV20S680X,TFMOV20S681L,TFMOV34S470X,TFMOV34S361X,TFMOV25S751X,TFMOV34S820,TFMOV34S821,TFMOV21R3P,TFMOV40K101X,TFMOV40K331X,TFMOV40K561X,TFMOV20K301X,TFMOV20S1

选型指南 - 赛尔特 - V1.0 - 2024/1/9 PDF 中文下载

什么是压敏电阻？

压敏电阻是一种压敏电阻器(VDR)。压敏电阻的电阻是可变的并且取决于所施加的电压。该词由“可变电阻器”的部分组成。当电压增加时，它们的电阻减小。如果电压增加过多，它们的电阻会急剧下降。这种行为使它们适合在电压浪涌期间保护电路。电涌的原因可能包括雷击和静电放电。常见的VDR类型是金属氧化物压敏电阻或MOV。

设计经验发布时间 : 2024-05-12