【技术】一文介绍TVS管的工作原理、特点、应用及维护方法

时间： 2023-06-20 来源：优恩半导体官网

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TVS瞬态电压抑制二极管是一种常用的二极管电子元器件，其作用是在电路中吸收瞬态电压尖峰，从而保护电路中的其他元件免受瞬态电压的影响。本文将介绍TVS管的工作原理、特点、应用及维护方法等方面的知识。

一、TVS管的工作原理

TVS管的工作原理是基于反向击穿现象。当TVS管两端的电压超过其击穿电压时，TVS管将迅速反向击穿，并保持低阻态，将瞬态电压尖峰短路到地，使电路中的其他元件免受损害。

二、TVS管的特点

TVS管具有许多特点，使其在电路中得到广泛应用。首先，TVS管具有快速恢复的特性。当瞬态电压尖峰过去后，TVS管会自动恢复到高阻态，从而避免对电路的正常工作产生影响。其次，TVS管具有高击穿电压的特性。这意味着TVS管可以承受更高的瞬态电压尖峰，从而保护电路中的其他元件不受损害。此外，TVS管还具有低噪声、低功耗和稳定性高等优点。

三、TVS管的应用

TVS管在电路中的应用非常广泛。例如，在电路中的电压控制部分，TVS管可以用来抑制开关电源或其他元件产生的瞬态电压尖峰。在功率放大器电路中，TVS管可以用来保护功率管的栅极和漏极免受瞬态电压的影响。在光电传感电路中，TVS管可以用来保护光敏二极管免受瞬态电压的损害。

四、TVS管的维护方法

在使用TVS管时，需要注意以下几点：首先，应根据电路中的瞬态电压尖峰的幅度和频率选择合适的TVS管型号;其次，应确保TVS管的连接正确，TVS管的正极应连接到瞬态电压尖峰发生器的一端，负极应连接到地，如果连接不正确，可能会导致TVS管无法发挥其保护作用。

总之，在使用TVS管时，应根据电路中的实际情况选择合适的型号，并确保正确连接。同时，在日常使用中应注意维护和保养，避免因TVS管损坏而导致整个电路故障。

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本文由玉鹤甘茗转载自优恩半导体官网，原文标题为:优恩为您介绍TVS管的工作原理、特点、应用及维护方法，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。

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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 - 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SERIES,SMF36CA,SCPB2012W221NPF,SMCJ80CA,SCF260-1812R,SCWL201610G-2R2ML,SC600,PXXXXLB,PXXXXLC,PXXXXLA,P6SMB51CA,P4KE22CA,53D241K,SMCJ220CA,8.0SMDJ22A,32D561K,SCPB4532S601QTF,SCWL201610H SERIES,TH8S28CA,15KPA40CA,5.0SMDJ80A,P4KE SERIES,1.5KE51A,SM6S SERIES,1.5SMC39CA,SM6S12A,SC3E8-800H,SC2E5-420LL,P6SMB,SA70CA,1.5KE36CA,SCF0805 SERIES,1.0SMBJ,TH8S33CA,15KPA100A,5KP36A,SCF150-1812R,SCA-601M,P6SMB16A,30KPA,SMAJ18CA,SA17CA,1.5KE170CA,SM6S11A,5KP90CA,SMF,SMDJ51A,3KP45CA,3KP140CA,P4SMA170A,TH8D33CA,P6SMB15A,SCGB3216S121丨TF,P4SMA10A,3KP58CA,SCGB3216S122HTF,1.5KE56A,SC2E8-75HSMD,1.5SMC440A,P6SMAJ,SC2E5-2700DL,SC2E6-90LSMD,SM6S14A,P6SMB520A,SA5.0CA,SCF160-1812,SM2KBF SERIES,SC2E5-300LL,5KP24CA,SCML2016G4R7MBE,SC2K8 SERIES,P6SMB16CA,P4SMA11A,SM6S13A,P6KE500A,SMBJ90A,SMF64A,SCPB2012S400RPF,SMBJ12CA,P6SMB13A,P4SMA12A,SCPB3216W121QTF,PXXXXSA SERIES,SM6S16A,SC2E8 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SERIES,5KP28A,SCGB1608H121EPF,30KPA108A,SMF110A,15KPA28A,SMAJ8.5CA,SC1210-420BSMD,SMAJ180A,P4KE100A,SC135-650,SCC-471M,SMBJ17A,SMF85CA,SMBJ120CA,5.0SMDJ220A,SM5S,SM8E,SM8S16CA,SM6S22A,20KPA120CA,5KP8.0A,1.5SMC10A,SC2E5-3500D,SC3E6-230M,3KP75CA,SMBJ14A,SM8S,P6SMB18A,SMDJ16CA,SCGB1608S221FPF,SMBJ130A,1.5SMC130CA,5.0SMDJ350A,SCPB1608S601LPF,15KPA26A,15KPA48CA,SMDJ440CA,34S350K/40,5KP120CA,SCGB1005S200FPF,SA100A,SMBJ15A,SCF125-2920R,SMAJ170CA,KA-133,SCWL252010G-R47ML,15KPA180A,30KPA260CA,SMBJ12A,SMAJ6.0A,P6KE62CA,SC3E8-150HP,SC250-1000S,TPSMEJ,SC3E8-150HM,1.5SMC91A,SA7.5CA,5.0SMDJ78A,SMCJ7.0A,SMDJ51CA,15KPA22CA,5.0SMDJ48CA,SMBJ13A,SCBE-471M,SC2E8-150MSMD,TPSMDJ,P6KE75A,P4SMA220A,KB-380,34S440K/65D,SMCJ150A,20KPA172A,SC1210-350BSMD,SC1812-90CSMD,TPSMCJ,SA6.0A,SCF200-1812R,5KP8.5A,SMAJ78A,KA-100,SC3E8-800HM,5KP120A,SC3E8-800HP,SMBJ10A,SMBJ11A,P4KE27A,5.0SMDJ400A,SMAJ22CA,SC3E5-350LM,TPSMBJ,SMCJ6.5CA,8.0SMDJ22CA,SMAJ75A,SMCJ36A,SA190CA,SCPB1005S121MPF,SM4KBF,5.0SMDJ75A,P4SMA9.1A,TH8S SERIES,SMF54CA,SC30-600,P4SMA91A,TPSMAJ,1.5KE100A,SC2E8-250MSMD,P6SMB170A,SMCJ45CA,3KP60A,30KPA84CA,SC3E5-470LM,P6KE75CA,TH8D28CA,P4KE24A,SCF030-1812R,SCPB3216S121WTF,SC16-600,SCA SERIES,SCGB1005S600FPF,SC3E5-150L,SMAJ6.5A,SMBJ440A,SMCJ58CA,SMDJ7.5CA,5.0SMDJ17CA,1.5KE18CA,5KP60CA,5.0SMDJ70CA,SMCJ33A,P4SMA350A,RCF260-1812R,SCGB3216S700KTF,SCF0805,P4KE22A,P4SMA6.8CA,10D SERIES,P4KE6.8A,SA6.5A,5.0SMDJ33CA,SA36CA,SMBJ,SMDJ20CA,SMF6.0A,P4SMA15CA,3KP6.0CA,SMDJ160A,3KP26CA,SCWL201610H-R47ML,SMAJ60A,SMAJ,SC2E8-75ML,5.0SMDJ70A,5.0SMDJ SERIES,SMF22CA,SMDJ48A,SMCJ7.0CA,SMCJ20A,P4KE36CA,SCF260-13-1812,P6KE200A,SMDJ,20KPA36CA,SC1206-470ASMD,SMBJ85A,1.5KE380A,P4KE120CA,P4SMA400CA,SCPB1608S600QPF,SC2K8-400SMD,SMF180A,SM8E43A,SMCJ,SM8S22CA,SMDJ33CA,SMDJ45A,1.5SMC8.2CA,SCC-401M,SMCJ13CA,SCB-201M,TH8S16CA,PXXXXSB SERIES,SMDJ64CA,3KP13CA,5KP180CA,SCWL252010G SERIES,1.5KE62A,20KPA26A,SCF020-0805R,20KPA104CA,PXXXXLA SERIES,SMCJ26CA,SA75A,TH8D,20KPA24A,TH8S,SMDJ43A,1.5SMC91CA,SCHB1608W601EPF,1.5SMC180CA,20KPA300CA,SCPB-S SERIES,1.5KE250A,SCF012-0603R,SA78A,53D361K,SMAJ85CA,P4SMA200A,SA190A,K1-076,1.5KE8.2A,2

选型指南 - 硕凯电子 - Ver Feb.2019 - Feb.2019 PDF 中文下载

【经验】双向TVS管在IGBT门极驱动电路中的功能分析及选型

在IGBT的门极与发射极之间增加一颗双向TVS管，选择合适的钳位电压，可以实现对门极电压的钳位。推荐采用Littelfuse推出的双向TVS管SMBJ1xCA系列，具有出色的电压钳位能力，峰值脉冲功率可达600W，同时具有快速的响应时间，从0V到击穿电压最小值的响应时间通常小于1ps，可以保证在门极电压VGE升高时迅速反应，有效抑制门极电压的抬升。

设计经验发布时间 : 2018-10-11

【产品】5种体积封装的TVS瞬态电压抑制二极管，低压TVS漏电仅10μA，功率200-5000W，满足不同电路需求

江苏固得沃克微电子科技有限公司（GK）推出一系列TVS瞬态电压抑制二极管产品。200W-5000W产品系列 (5.0V-440V)贴片TVS 5款体积，不同功率瞬态电压抑制二极管，提供更多不同电路需求选型。

新产品发布时间 : 2021-08-24

【选型】普罗森美（PROSEMI）电路保护产品选型指南

目录- 品牌及产品线介绍功率型TVS瞬态抑制二极管 ESD静电抑制器高分子聚合物ESD TSS 晶闸管电涌抑制器陶瓷气体放电管 PPTC 可恢复保险丝一次断保险丝熔断器电流感应电阻开尔文结构电流感应电阻

型号- P4SMFL,SMBJ,PTOXXX,PTO88,FW5,SCT,FW7,PTT233,ESJ10,BS88,SRF0805P,PTT236,FW10,LFM,SRF1210P,SFMM,1206FA,2410FA,SRF1206P,EVH30,UPEP,PV1500F,PG2A18RXXX,1245TD,SMAJ,PTN062,ESP3803,PV1500E,6CT,SEET,EVH38,LSP,1240FH,2410BP,PV1500A,SMF,PTN102,PTD322,PTD122,HMSB75,PSMXXX,HMSD75,LFMM,PG8T10RXXX,LCT,PTN2510,0603TD,1206HV,EVCT,14CT,SET,SRC,SMDJ,10PVT,10CT,UPE4C,SRF2920P,FW75,SM8S,2410TD,PG1400,PDOXXX,PG2G12RXXX,SFM,2410LC,ESL,PTN166,SRF1812P,EVH10,EVH30M,5.0SMDJ,1206TD,EVH30S,PG8D6RXXX,5CT,EVH10S,SMCJ,LMJ,PTN205,EVH18,EVH38M,1245FA,EVH38S,EVH38SH,EVH10M,PG5D5RXXX,EVH18S,EVH15,1240FHDHC45,SRF0603P,EVH18M,ESJ5,LET,ESJ7,0603FA

选型指南 - 普罗森美 PDF 中文下载

优恩半导体TVS瞬态电压抑制二极管选型表

优恩半导体提供以下技术参数的TVS选型：反向截止电压：3.3V~440V；击穿电压（min）：5.2V~492V；击穿电压（max）：6V~543V；测试电流：1mA、5mA、10mA；最大钳位电压 VC @IPP (V)：8V~713V；最大峰值脉冲电流IPP (A)：0.56A~3000A；最大反向漏电流IR @VRWM (μA)：1uA~1000μA；关断电压：10V~85V；最大反向浪涌电流IPP(A)：48A~388A；最大IR @VRWMTJ=175(uA)：150uA、250uA。

产品型号	品类	Reverse Stand-Off Voltage VRWM(V)	Breakdown Voltage VBR (V) @IT MIN	Breakdown Voltage VBR (V) @IT MAX	Test Current IT (mA)	Maximum Clamping Voltage VC @IPP (V)	Maximum Peak Pulse Current IPP (A)	Maximum Reverse Leakage IR @VRWM (μA)	model
8KP24A	Axial Lead Transient Voltage Suppressors	24	26.7	29.5	1	38.9	206	5	Uni

选型表 - 优恩半导体立即选型

【技术】浅析瞬态抑制二极管（双向TVS管）

TVS管也叫瞬态抑制二极管，TVS管是吸收浪涌功率用的，能在极短时间内承受反向电压冲击，使两极间的电压钳位于一个特定电压上，避免后面的电路受到冲击。简单的说就是做过压保护的，在通信等产品中很常见。连接时必须反向工作在电路电源、地两端，与稳压二极管类似，但不需要限流电阻。

技术探讨发布时间 : 2021-08-26

【选型】IGBT驱动有源钳位设计中TVS管选型建议

在电力电子设备中，通常由于系统中寄生电感的存在，在IGBT开关器件关断时，会伴随着尖峰电压的产生。为了保护IGBT在关断过程中不会被高电压击穿，一般会推荐添加有源钳位电路，本文给出了TVS的选型建议，丽正国际的TVS管SMBJ190A或SMBJ200A。

器件选型发布时间 : 2019-11-12

解析TVS管的四大特点：快相应、低压放电、强吸收能力、可重复使用

在保护电子设备安全的战斗中，瞬态抑制二极管（Transient Voltage Suppressor）简称TVS管，正是不可或缺的利器。本文中优恩半导体将为大家介绍TVS管的四大特点：快相应、低压放电、强吸收能力、可重复使用。

技术探讨发布时间 : 2024-05-01

【经验】如何判断贴片TVS管的单双向及正负极？

TVS管按电性，有单向，双向之分，单向管只能保护一个面，双向可以两边保护。TVS管一般应用在电子电路中，有贴片式TVS管以及轴向引线型TVS管，常用贴片TVS管型号有：SOD123、DO-214AC/SMA、DO-214AA/SMB、DO-214AB/SMC、DO-218AB；引线型TVS管有：DO-201AL/DO-41、DO-204AC/DO-15、DO-201、P600等。

设计经验发布时间 : 2022-06-05

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