【应用】优恩半导体高通流 TVS 管为Power Port DC24V-电源口提供静电放电及雷击浪涌过压防护

时间： 2021-05-29 来源：优恩半导体

技术问答

DC24V 电源广泛使用在汽车电子设备、工业控制、通信安防等重要领域，电源作为电子产品的“心脏”，它能否稳定可靠的运行，直接决定着产品最终的可靠性，实际应用中较远距离的传输、复杂的电磁环境，导致设备及易遭受静电或其它感应过电压等情况的影响而损坏。

针对此种应用需求，采用优恩半导体经过多年经验积累开发出来的高通流 TVS 管做保护，导通电压精准度高、响应速度快、钳位电压低，能让后端的电路得到有效的防护，满足 IEC 61000-4-2 Level 4 静电放电及 IEC 61000-4-5 Level 4 雷击浪涌防护需求的同时，最小程度的占有 PCB 宝贵且有限的空间。

图1 实物图

应用示例

图2 （a）差模防护；（b）差、共模防护

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本文由三年不鸣转载自优恩半导体，原文标题为:Power Port DC24V-电源口静电放电及雷击浪涌过压防护ll，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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大功率TVS管在DC24V电源端口防护方案中的应用

DC24V电源广泛使用在LED、安防电源等行业，远距离户外传输，导致设备及易遭受雷击浪涌及过压等损坏，此方案采用UN公司经过多年经验积累开发出来大同流的TVS管，响应速度快、残压低，使后端的电路得到全面的防护。

应用方案发布时间 : 2024-02-08

【应用】优恩半导体瞬态抑制二极管和陶瓷气体放电管为RF射频端口提供浪涌防护方案

优恩半导体瞬态抑制二极管ESD03V32D-LC、陶瓷气体放电管UN2E5-90LSMD为RF射频端口提供浪涌防护，通过采用一颗GDT和TVS并联与信号线和地线之间泄放大电流，符合 IEC 61000-4-5 Surge、IEC 61000-4-2 ESD要求。

应用方案发布时间 : 2021-05-26

【应用】TVS管应用在DC24V电源末级的静电放电及雷击浪涌兼容冗余防护设计方案

本文优恩半导体将为您介绍一种TVS管应用在DC24V电源末级的静电放电及雷击浪涌兼容冗余防护设计方案，DC24V电源静电放电及雷击浪涌防护方案设计主要可用陶瓷气体放电管、压敏电阻、TVS管三类元器件。

应用方案发布时间 : 2022-05-26

优恩半导体（UNSEMI）保护器件产品选型指南

目录- Electrostatic Discharge Protection Devices Transient Voltage Suppressors Thyristor Surge Suppressors Gas Discharge Tube Spark Gap Protectors Multilayer Chip Varistor Polymeric Positive Temperature Coefficient Thin Film Common Mode Filter Silicon bilateral voltage triggered switch RJ45 Network connectors

型号- 15SMBJ78CA,SMAJ6.0CA,SMAJ40CA,SMBJ20A-AT,SM8Z20A,15KP58A,UN2K8-400SMD,SMD1206-350,SMDJ78CA,UN3E8-75HM,P0300SC-2L,ESD05V02D-CP,UN3E8-75HP,TPSMB30CA,SMDJ16A-AT,15SMBJ7.5CA,UNC-301N-SMD,TPSMCJ18CA,PESD0603E12V,UN6-200,05D511K,20D241KYC,5.0SMDJ85C,SMDJ36CA-AT,5.0SMDJ85A,K2200G,UN0402E18V120P,SMCJ100CA,ESD15V52D-LCF,5KP30C,5KP30A,SMF120CA,SMBJ150CA,SMDJ170A,SM8Z33CA,TP5.0SMDJ28CA,53D681K,SMDJ170C,3KP80CA,UN2K8-800L,UN135-250,SMCJ30C,32D122K,SMCJ30A,UNA-471M,SA180C,SMAJ70CA-AT,K0900G,SM8Z24A,SA180A,4.0SMF5.0A,15KP54A,20D781KJ,SMF190A,P6KE8.2CA,TPSMA82A,P4KE180A,P4KE180C,14D181KSC,ESD24V26T-5L,20D331KYC,P4SMA82CA,SMF3.3A,TP5.0SMDJ15CA,SM8Z22A,MCM3216B SERIES,SMDJ160CA,SMBJ400CA,SMCJ80CA,SMD1812-200-24V,PXXXXLB,PXXXXLC,P6SMB51CA,PXXXXLA,ESD24V26T-4L,4.0SMF12CA,TPSMB43CA,ESD0402-240E2R5,SMDJ400A-AT,TPSMB110CA,ESD08V88D-C,SMCJ220CA,5.0SMDJ64CA-AT,5.0SMDJ80A,SMCJ440A-AT,10SMBJ40CA,5.0SMDJ80C,P4KE SERIES,SMD1206-075-16V,TP5.0SMDJ33A,15KP22CAS,UN2E8-90MSMD,5KP36C,5KP36A,UN135-200,SMCJ170CA-AT,UN3220-511H,ESD05V88D-2LA,SMAJ18CA,SA17CA,UN3E6-470MM,1.5KE170CA,25D122K,5KP90CA,5.0SMDJ160CA-AT,TPSMCJ40CA,SMF,TPSMAJ13CA,UN3E5-XXXL,3KP45CA,07D301K,10SMBT28A,SMD1210-075,UN1812-120H,TPSMBJ20CA,3KP58CA,K2600SD1,TPSMBJ40A,1.5SMC440A,UN3E6-350MM,07D431K,10D471KJ,UNS3220-180K,UN2E8-600MSMD,P6SMB520A,UNS2K SERIES,UN1812-121H,20D911KJ,SMAJ440CA-AT,20D511KYC,P6SMB16CA,P6KE500C,UN250-250,P6KE500A,SMBJ90C,15SMBJ9.0A,UN2220-470HS,ESD12V12D-A,SMBJ90A,ESD12V12D-C,UN3E8 SERIES,SMBJ12CA,TP5.0SMDJ30A,TPSMAJ26CA,UNA SERIES,SMD1210-050,PESD0603E18V,SMDJ11CA-AT,UNS3220-181K,SMBJ5.0A,SMBJ350CA-AT,SMBJ5.0C,TCF03025FH35002A,UN1206-270H,SMD0805-075,UNC-SMD SERIES,20D220K,SMBJ9.0,ESD15V52D-LAF,5.0SMDJ180A-AT,PESD0603E15V,SMD1210-020,UN1210-760H,UN3E8-75HSMD,6.0SMAJ,UN0402E SERIES,UN6-250,TP5.0SMDJ36A,SMBJ58A-AT,SMDT58CA,P4SMA47CA,ESD24V32D-C,UN3E6-230MM,ESD24V32D-A,SMD1210-035,UN2E5-XXXLL,ESD0402-5R5E500,SMD1210-005,07D560K,SMBJ85A-AT,20D,UN250,PXXXXDM,P4KE400A,MCM3216B121,P4KE400C,PXXXXTB SERIES,40D431KJ,ESD03V32D-LCD,10D101K,TPSMBJ33CA,ESD03V32D-LCA,SMCJ90CA-AT,SMD0805-050,ESD03V32D-LCC,07D561K,10SMBJ18CA,TPSMDJ12CA,P6KE27CA,SMBJ30CA-AT,SMCJ120A-AT,PXXXXEC,5KP33A,SMCJ16CAS,UN1210-200BSMD,PXXXXEA,10D102K,34S1000J,PXXXXEB,14D911K,20D221K,SMD1210-150-12V,07D821KJ,SMD1210-010,5KP33C,TPSMA6J13A,20D470KJ,UN2E8-150M,SMDT45CA,15SMBJ17CA,TPSMA6J13CA,SMAJ14A-AT,10SMBT33A,SMD0805-035,ESD05V32D-A,UNB-201N-SMD,TPSMA6J14A,SA9.0,UN3E6-350M,POE SERIES,UN135-1100-S,TPSMBJ33A,SMD0805-020,UN3E8-75H,10D112K,UN135-1100-C,UNB-181N,ESD05V88D-CDN,UN2E8-150H,14D561K,TPSMB91CA,TPSMAJ SERIES,TPSMA6J15A,ESD08V52D-HA,TPSMBJ36A,SMCJ7.5C,SMCJ7.5A,SMAJ400A,SMF19CA,UN3E5-150L,SA90A,UN1812 SERIES,SA90C,10D241K,SMD0805-010,10SMBJ180A,14D431K,LCDA05C-8,LCDA05C-4,25D,P6KE220CA,SA40CA,ESD05V32D-C,HCM1012GD900B05,10SMBT7.5A,ESD05V88D-CBP,10D821KEC,SMD0805-005,UN2E8-150ML,UN1812-760HS,ESD05V88D-CBD,SMCJ64A-AT,SMBJ48CA-AT,P3800TB,TPSMBJ30A,P3800TA,SMDJ90,UN3220-471HS,P6KE100CA,5KP28C,SMDT7.0A,P6SMB SERIES,5KP28A,14D681KJ,TPSMA100A,P3800SC,P3800SB,SMDJ85,6.0SMAJ54CA,ESD30V12D-C,P3800SA,ESD30V12D-A,SMDJ80,SMAJ8.5CA,SMAJ180C,SMAJ180A,UN2E5-90LSMD,TP5.0SMDJ40A,SMDJ75CA-AT,20D122KJ,10SMBT36A,ESD3.3V04D-LC,SMAJ350CA-AT,14D361KSC,5.0SMDJ220A,SMDJ78,UN30-160,UN16-900,ESD05V08P-LC,SMDJ75,25D121K,5KP8.0C,14D561KJ,SMDJ70,5KP8.0A,UN2K8-450L,1.5SMC10A,UN0805-420H,TPSMA6J26CA,SMDJ16CA,SMCJS SERIES,14D560K,SMBJ130C,SMBJ130A,5.0SMDJ350A,SMDJ64,SMDJ60,34S210J,5KP120CA,ESD12V52D-CF,30KP120A,UNS3220 SERIES,SMDJ43A-AT,SMDJ58,UN30-185,SMDJ54,P6KE75,10SMBJ7.0CA,SMDJ51,UN2E5-3600LL,20KP132A,SMAJ160CA-AT,10SMBT7.0A,UN2K8,P6KE62CA,UN30-135,SMDJ48,P6KE68,SMDJ45,SMDJ43,UNB-401M,SMDJ40,TPSMA36CA,P6KE82,ESD15V02D-CKN,5.0SMDJ78C,SMCJ7.0C,SMDT7.5A,5.0SMDJ78A,SMCJ7.0A,SMDJ51CA,5.0SMDJ48CA,UN111B339HWA1DFL,15KP51A,TPSMDJ,SMDJ36,SMDJ33,25D751KJ,P4SMA220A,SMDJ30,10SMBJ60A,P6KE91,KB-380,SM8Z26A,ESD3.3V12D-A,ESD3.3V12D-C,SMD1812-200-16V,TPSMCJ,UN2H8-5000LL,SMDJ28,5KP8.5C,SMDJ26,5KP8.5A,SMDJ24,UN2K8-600,SMDJ22,SMDJ20,UN1210-151H,SMD0805-110-12V,SMBJ11A-AT,07D331KJ,ESD0402M,UN16 SERIES,14D751KSC,SMD1812-300-16V,SM8Z28A,SMDJ19,ESD12V52D-HA,SMDJ18,SMDJ17,SMDJ16,TPSMB10J16CA,SMDJ15,TPSMBJ,SMDJ14,TPSMB56CA,SMDJ13,SMDJ12,SMDJ11,SMDJ10,SMCJ36A,SMD0805-010-30V,P6KE30,32D621KJ,SMCJ36C,SA190CA,5.0SMDJ75C,5.0SMDJ75A,UNA-SMD,15SMBJ160CA,SMF54CA,TPSMA6J18A,P4SMA91A,P6KE27,TPSMAJ,P6SMB170A,P0300DM,UN1812-390HS,P6KE24,P6KE22,P6KE43,SMCJ45CA,UN3E8-200HSMD,UN0603E,P6KE75CA,P0300EA,P0300EB,P0300EC,P6KE39,TPSMA6J19A,UN2H8,P6KE36,TCF03025U12002A SERIES,P6KE33,10SMBJ64A,SMCJ58CA,P6KE51,TPSMBJ110CA,SMDJ180CA-AT,25D511KJ,SMD1206-300,SMDJ7.5CA,TPSMA75A,UN1812-270HS,5.0SMDJ17A-AT,1.5KE18CA,14D201KJ,UN30-110,BLC03C-4,UN2K8-350L-2,5.0SMDJ70CA,UN2E5,UN2K8-350L-1,SMCJ33A,P6KE47,SMCJ33C,TPSMA6J16A,UN2E8,UN2E8-150HL,P4SMA350A,P6KE62,P4SMA6.8CA,ESD03V23T-LC,ESD03V23T-LA,ESD08V52D-A,15SMBJ180A,14D301K,10SMBT30A,P6KE56,ESD08V52D-C,TPSMA6J17A,5.0SMDJ33CA,UNS3K,UN2E6-SMD SERIES,UN1812-390H,TPSMDJ24CA,20D361K,40D361KJ,4.0SMF13CA,SMDJ160A,SMBJ160CA-AT,TP5.0SMDJ28A,

选型指南 - 优恩半导体 PDF 英文下载

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

【经验】轨道交通司乘对讲广播系统设备雷击浪涌与EFT电快速脉冲群4KV测试整改案例

轨道交通司乘对讲广播系统设备Surge雷击浪涌4KV、EFT电快速脉冲群4KV测试整改案例采用器件产品为高通流TVS管UNS1K30CA与1000V的GDT陶瓷气体放电管。

设计经验发布时间 : 2022-10-23

UN2E5-SMD Series Surface Single Gas Discharge Tube

型号- UN2E5-400LSMD,UN2E5-2700LSMD,UN2E5-150LSMD,UN2E5-3000LSMD,UN2E5-350LSMD,UN2E5-600LSMD,UN2E5-300LSMD,UN2E5-200LSMD,UN2E5-SMD,UN2E5-90LSMD,UN2E5XXXLSMD,UN2E5-XXXLSMD,UN2E5-1500LSMD,UN2E5-1000LSMD,UN2E5-230LSMD,UN2E5-800LSMD,UN2E5-SMD SERIES,UN2E5-470LSMD,UN2E5-2000LSMD,UN2E5-3600LSMD,UN2E5-2500LSMD

数据手册 - 优恩半导体 - Revision: March 1,2022 - March 1,2022 PDF 英文下载查看更多版本

UNS2K Series Surface Mount Transient Voltage Suppressors

型号- UNS2K,UNS2K15CA,UNS2K15A,UNS2K SERIES,UNS2K30CA,UNS2K30A

数据手册 - 优恩半导体 - Revision March 1,2022 - March 1,2022 PDF 英文下载

优恩半导体GDT陶瓷气体放电管选型表

优恩半导体提供如下技术参数的GDT陶瓷气体放电管选型表：脉冲击穿电压：500V-7500V(100V/μs)、600V-8000V（1000V/μs）；最大电容（ @1MHz（pF））：0.5pf-2pf。

产品型号	品类	DC Spark-over Voltage @100V/S	Maximum Impulse Spark-over Voltage @100V/μs（V）	Maximum Impulse Spark-over Voltage @1KV/μs（V）	Minimum Insulation Resistance（GΩ）	Maximum Capacitance @1MHz（pF）	Arc Voltage @1A（V）	Nominal Impulse Discharge Current @8/20μs ±5 times（KA）	Impulse Discharge Voltage @10/700μs（KV）
UN1206-150ASMD	Surface Mount 2-Electrode Gas Discharge Tube	150V±30%	600V	700V	1 GΩ(at 50V DC)	0.5pF	~15V	0.5KA	4KV