【技术】TVS瞬态抑制二极管的工作原理及使用技巧

2023-01-18 里阳半导体官网
TVS瞬态抑制二极管,里阳半导体 TVS瞬态抑制二极管,里阳半导体 TVS瞬态抑制二极管,里阳半导体 TVS瞬态抑制二极管,里阳半导体

TVS瞬态抑制二极管,作为常用的电路保护元器件,广泛应用于各行各业。在汽车电子、消费电子、电源驱动、工业配电、再生能源、电信、家电、计量仪器、医疗电子、工业控制、照明、安保系统、建筑控制及自动化、音频/视频设备、计算机及其周边设备等多个领域都能找到TVS二极管的身影。对于TVS瞬态抑制二极管的工作原理和使用技巧,很多消费者朋友还为此困惑,里阳半导体特此写了这篇文章,和大家聊一聊TVS瞬态抑制二极管的工作原理及使用技巧!


TVS瞬态抑制二极管的工作原理

瞬态电压抑制二极管,简称TVS二极管,是在稳压管工艺基础上发展起来的一种新型高效电路保护器件。当电路两端受到高能量冲击时,TVS管能够以PS级的响应速度把两端的阻抗值由高阻抗转化为低阻抗,瞬间吸收一个大电流,把两端的电压箝制在一个预定的数值,从而保护电路中精密器件免受瞬态高压尖峰脉冲的冲击。SO,TVS管凭借PS级响应速度、高浪涌吸收能力、低箝位电压、低漏电流、低电容、击穿电压偏差小、无损坏极限、小体积、易安装等优势,广泛使用于半导体或敏感零件的保护、二极电源和信号电路的保护以及防静电保护。 

图 1

TVS瞬态抑制二极管的使用技巧

方法/步骤

●确定被保护电路的最大直流或连续工作电压、电路的额定标准电压和“高端”容限。

●瞬变抑制二极管额定反向关断VWM应大于或等于被保护电路的最大工作电压。若选用的VWM太低,器件可能进入雪崩或因反向漏电流太大影响电路的正常工作。串行连接分电压,并行连接分电流。

●瞬变抑制二极管的最大箝位电压VC应小于被保护电路的损坏电压。

●在规定的脉冲持续时间内,瞬变抑制二极管的最大峰值脉冲功耗PM必须大于被保护电路内可能出现的峰值脉冲功率。在确定最大箝位电压后,其峰值脉冲电流应大于瞬态浪涌电流。

●对于数据接口电路的保护,还必须注意选取具有合适电容C的瞬变抑制二极管器件。

●根据用途选用瞬变抑制二极管的极性及封装结构。交流电路选用双极性瞬变抑制二极管较为合理;多线保护选用瞬变抑制二极管阵列更为有利。


温度考虑。瞬态电压抑制器可以在-55~+150℃之间工作。如果需要瞬变抑制二极管在一个变化的温度工作,由于其反向漏电流ID是随增加而增大;功耗随瞬变抑制二极管结温增加而下降,从+25℃到+175℃,大约线性下降50%雨击穿电压VBR随温度的增加按一定的系数增加。因此,必须查阅有关产品资料,考虑温度变化对其特性的影响。

授权代理商:世强先进(深圳)科技股份有限公司
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型号- TPSMB120CA,TPSMB82A,TPSMB100A,TPSMB30A,TPSMB150CA,TPSMB27CA,TPSMB480A-A,TPSMB15A,TPSMB27A,TPSMB43A,TPSMB210A,TPSMB510A-A,TPSMB30CA,TPSMB180A,TPSMB15CA,TPSMB91CA,TPSMB39A,TPSMB11CA,TPSMB24A,TPSMB36A,TPSMB100CA,TPSMB12A,TPSMB130A,TPSMB30,TPSMB68CA,TPSMB250A,TPSMB22CA,TPSMB480CA-A,TPSMB350A-A,TPSMB13A,TPSMB18CA,TPSMB550CA-A,TPSMBXXXCA(-A),TPSMB300CA-A,TPSMB8.2A,TPSMB200A,TPSMB75CA,TPSMB180CA,TPSMB170A,TPSMB7.5A,TPSMB210CA,TPSMB540A-A,TPSMB10CA,TPSMB33CA,TPSMB56CA,TPSMB58A,TPSMB10A,TPSMB22A,TPSMB300A-A,TPSMB250CA,TPSMB540CA-A,TPSMB62A,TPSMB120A,TPSMB530CA-A,TPSMB400A-A,TPSMB220CA,TPSMB18A,TPSMB82CA,TPSMB47A,TPSMB75A,TPSMB11A,TPSMB130CA,TPSMB9.1A,TPSMB51A,TPSMB91A,TPSMB51CA,TPSMB350CA-A,TPSMB160CA,TPSMB160A,TPSMB13CA,TPSMB510CA-A,TPSMB36CA,TPSMB400CA-A,TPSMB68A,TPSMB440A-A,TPSMB16A,TPSMB20A,TPSMB56A,TPSMB110A,TPSMB200CA,TPSMB530A-A,TPSMB170CA,TPSMB24CA,TPSMB47CA,TPSMB20CA,TPSMB62CA,TPSMB43CA,TPSMB110CA,TPSMB33A,TPSMB39CA,TPSMB550A-A,TPSMB,TPSMB220A,TPSMB440CA-A,TPSMB150A,TPSMB16CA,TPSMB58CA,TPSMBXXXXX,TPSMB12CA

2017年09月08日  - LITTELFUSE  - 数据手册  - Revised: 09/08/17 代理服务 技术支持 现货查询 批量订货

Littelfuse多种汽车电子保护器件,助力实现稳健的车载通信

本文介绍了多种汽车电子保护器件,包括TVS二极管阵列、瞬态抑制二极管、ESD抑制器和自恢复保险丝,旨在提高汽车系统的安全性、便利性和舒适性。

2024-04-14 -  原厂动态 代理服务 技术支持 现货查询 批量订货

【技术】一文介绍TVS瞬态抑制二极管原理及应用

随着科技的不断进步,电子设备在我们日常生活和工业生产中扮演着越来越重要的角色。电子设备常常面临来自外部环境的瞬态电压冲击,如雷击、静电放电和电源电压突变等。这些瞬态电压冲击可能导致设备故障、数据丢失或损坏,因此,保护电子设备免受这些瞬态冲击的损害显得尤为重要。

2023-08-05 -  技术探讨 代理服务 技术支持 现货查询 批量订货

硕凯电子(Socay)TVS瞬态抑制二极管选型指南

目录- Surface Mount Transient Voltage Suppressors(TVS)    Axial/Radial Lead Transient Voltage Suppressors (TVS)    Dual Programmable Transient Voltage Suppressor(TVS)   

型号- 5.0SMDJ170C,P4SMA16A,SMAJ6.0CA,SMAJ40CA,30KPA170CA,SMF10CA,KD-012,5.0SMDJ170A,8.0SMDJ24A,SMDJ78CA,KD-015,5.0SMDJ15,5.0SMDJ14,KD-025,5.0SMDJ13,5.0SMDJ12,5.0SMDJ19,KD-020,5.0SMDJ18,5.0SMDJ17,5.0SMDJ16,5.0SMDJ300CA,1.5SMC13CA,5.0SMDJ11,SMCJ14CA,P4SMA18A,SMDJ58C,K,5.0SMDJ85C,5.0SMDJ85A,P4SMA16CA,SMCJ100CA,P6KE68C,20KPA48CA,5KP30C,SMBJ300A,5KP30A,SMBJ150CA,SMF120CA,8.0SMDJ26A,SMDJ170A,SMAJ70A,P4SMA520A,SMAJ70C,SMDJ170C,3KP80CA,SMDJ58A,SMCJ30C,SA48CA,SMCJ30A,SA180C,1.5KE500,SA180A,SMAJ7.0,SMAJ7.5,SA22CA,SMAJ100C,P6KE8.2CA,SMAJ100A,P4KE180A,5.0SMDJ170CA,P4KE180C,SA110CA,30KPA54CA,P4SMA82CA,SMDJ54A,1.5KE520,30KPA198A,SMDJ160CA,20KPA180A,3KP14CA,SMBJ400CA,SMDJ54C,SMF36CA,SMCJ80CA,P6SMB51CA,P4KE22CA,8.0SMDJ22A,SMCJ220CA,15KPA40CA,5.0SMDJ80A,5.0SMDJ80C,1.5KE51A,1.5SMC39CA,1.5KE51C,P6SMB,1.5KE36CA,SA70CA,5KP36C,15KPA100A,5KP36A,1.5KE550,P6SMB16A,30KPA,SMAJ18CA,SA17CA,1.5KE170CA,5KP90CA,SMDJ51C,SMF,SMDJ51A,3KP140CA,3KP45CA,P4SMA170A,P6SMB15A,P4SMA10A,3KP58CA,1.5KE56A,1.5SMC440A,LCE64A,P6SMB520A,SA5.0CA,1.5KE56C,5KP24CA,P6SMB16CA,P4SMA11A,P6KE500C,P6KE500A,SMBJ90C,SMBJ90A,SMF64A,SMBJ12CA,P6SMB13A,SMBJ5.0A,P4SMA12A,SMBJ5.0C,LCE6.5,P6SMB12A,SMBJ9.0,P4SMA13A,P6KE180CA,P6SMB10A,P4SMA47CA,P6SMB11A,KA-190,SMDJ5.0,P6SMB100CA,5.0SMDJ78CA,15KPA18CA,P4KE400A,P4KE400C,1.5KE10CA,LCE60A,SMF60A,P4SMA15A,15KPA30A,30KPA84A,P6KE27CA,5KP33A,P6SMB82CA,15KPA180CA,1.5SMC500CA,5KP11CA,30KPA36CA,5KP33C,20KPA52CA,P4KE6.8CA,P4KE6.8C,P6SMB47CA,1.5SMC250CA,P6SMB220CA,3KP140C,3KP140A,P4KE220,SA9.0,SMDJ200CA,3KP64C,SMDJ190CA,SMF70A,15KPA24A,30KPA90A,1.5KE380CA,3KP64A,P6KE7.5,P4KE20C,P4KE20A,SMAJ48CA,SMBJ43CA,SMCJ7.5C,SMCJ7.5A,SMAJ400A,30KPA71CA,SMBJ180,SMF19CA,LCE7.0,SA90A,SA90C,LCE7.5,30KPA102A,SMBJ18C,SMBJ18A,P4KE200,1.5SMC75CA,SMAJ300CA,P6KE220CA,SA40CA,SMBJ190,15KPA22A,SMBJ19C,KA-170,SMBJ19A,20KPA96CA,SMBJ160,SMDJ90,3KP9.0CA,SA100C,S61089,SMBJ16C,P6KE100CA,SMBJ16A,20KPA240CA,5KP28C,SMBJ30CA,5KP28A,30KPA108A,SMDJ85,SMBJ170,SMF110A,SMDJ80,15KPA28A,SMAJ180C,SMAJ8.5CA,SMAJ180A,P4KE100A,P4KE100C,SMBJ17C,SMBJ17A,SMF85CA,5.0SMDJ220A,SMBJ120CA,SMDJ78,SMDJ75,20KPA120CA,5KP8.0C,SMBJ140,SMDJ70,5KP8.0A,1.5SMC10A,3KP75CA,SMBJ14C,SMBJ14A,SM8S,P6SMB18A,SMDJ16CA,SMBJ130C,SMBJ130A,1.5SMC130CA,5.0SMDJ350A,SMDJ64,15KPA26A,15KPA48CA,SMDJ440CA,SMBJ150,SMDJ60,5KP120CA,SMBJ15C,SA100A,SMBJ15A,SMAJ170CA,SMDJ58,KA-133,SMDJ54,P6KE75,SMBJ120,SMDJ51,5.0SMDJ80,15KPA180A,30KPA260CA,SMBJ11C,SMBJ12A,SMAJ6.0A,P6KE62CA,SMAJ6.0C,SMDJ48,P6KE68,SMDJ45,5.0SMDJ85,1.5SMC91A,SMDJ43,SMBJ130,SA7.5CA,SMDJ40,5.0SMDJ90,P6KE82,5.0SMDJ78C,SMCJ7.0C,5.0SMDJ78A,SMCJ7.0A,SMDJ51CA,15KPA22CA,SMBJ12C,5.0SMDJ48CA,SMBJ13C,SMBJ13A,P6KE75A,SMDJ36,P6KE75C,SMDJ33,P4SMA220A,SMBJ100,SMDJ30,SMCJ150C,KB-380,P6KE91,SMCJ150A,20KPA172A,P4KE27C,SA6.0C,SA6.0A,SMDJ28,5KP8.5C,5.0SMDJ60,SMDJ26,5KP8.5A,SMAJ78A,SMDJ24,5.0SMDJ64,KA-100,SMAJ78C,SMDJ22,SMBJ110,SMDJ20,5KP120A,5KP120C,SMBJ10C,SMBJ10A,SMBJ11A,P4KE27A,5.0SMDJ400A,5.0SMDJ78,SMAJ22CA,SMDJ19,SMDJ18,SMDJ17,SMDJ16,5.0SMDJ70,8.0SMDJ22CA,SMCJ6.5CA,SMDJ15,SMDJ14,SMDJ13,5.0SMDJ75,SMDJ12,SMDJ11,SMAJ75A,SMDJ10,SMCJ36A,SMAJ75C,P6KE30,SMCJ36C,SA190CA,5.0SMDJ75C,5.0SMDJ75A,5.0SMDJ48,P4SMA9.1A,5.0SMDJ45,SMF54CA,5.0SMDJ40,P4SMA91A,1.5KE100A,P6KE27,P6SMB170A,1.5KE100C,5.0SMDJ43,P6KE24,P6KE22,P4KE250,P6KE43,SMCJ45CA,3KP60A,30KPA84CA,P4KE24C,P6KE75CA,P4KE24A,5.0SMDJ58,SMAJ6.5C,5.0SMDJ51,P6KE39,3KP60C,P6KE36,5.0SMDJ54,SMAJ6.5A,SMBJ440A,P6KE33,SMCJ58CA,P6KE51,SMDJ7.5CA,5.0SMDJ17CA,1.5KE18CA,5.0SMDJ26,5.0SMDJ24,5KP60CA,5.0SMDJ28,5.0SMDJ70CA,5.0SMDJ22,SMCJ33A,P6KE47,5.0SMDJ20,SMCJ33C,P4SMA350A,P6KE62,3KP6.5,P4KE22C,P4KE22A,3KP6.0,P4SMA6.8CA,5.0SMDJ36,SA6.5C,5.0SMDJ33,P4KE6.8A,SA6.5A,P6KE56,5.0SMDJ30,5.0SMDJ33CA,SMAJ60,SA36CA,SMBJ,1.5KE6.8,SMDJ20CA,SMF6.0A,P4SMA15CA,LCE58A,SMAJ58,SMAJ54,3KP6.0CA,SMAJ51,SMDJ160A,3KP26CA,SMAJ60A,SMAJ,SMAJ60C,SMDJ160C,5.0SMDJ70C,5.0SMDJ70A,SMDJ48C,SMDJ48A,SMF22CA,SMCJ20C,SMAJ45,SMCJ7.0CA,SMAJ48,SMCJ20A,P4KE36CA,SMAJ43,SMAJ40,P6KE200A,SMDJ,20KPA36CA,SMBJ85C,SMBJ85A,1.5KE600,1.5KE380A,P4KE9.1,1.5KE380C,P4KE120CA,SMAJ6.0,P4SMA400CA,SMAJ6.5,SMAJ36,P6KE200C,SMAJ30,SMAJ33,SMF180A,SMCJ,SMDJ45C,SMDJ33CA,SMDJ45A,1.5SMC8.2CA,SMAJ28,SMAJ24,SMAJ26,SMAJ20,SMAJ22,SMCJ13CA,SMDJ64CA,3KP13CA,5KP180CA,SMAJ17,LCE54A,SMAJ16,SMAJ19,SMAJ18,SMAJ13,SMAJ12,1.5KE62A,20KPA26A,SMAJ15,SMAJ14,SMAJ11,20KPA104CA,SMAJ10,1.5KE62C,SMCJ26CA,SA75A,20KPA24A,SA75C,1.5SMC91CA,SMDJ43A,SMDJ43C,1.5SMC180CA,1.5KE250C,20KPA300CA,1.5KE250A,1.5KE8.2C,SA78A,SA190C,SA78C,P4SMA200A,SMAJ85CA,SA190A,1.5KE8.2A,20KPA192A,1.5SMC300A,P6SMB180CA,P4SMA150CA,SMBJ90CA,20KPA28A,SMAJ110C,SMAJ110A,30KPA66CA,SMF6.0CA,P6SMB7.5A,5KP15,5KP16,5KP13,SMF48CA,5KP14,5KP11,5KP12,5KP10,P4KE10CA,P4KE18CA,1.5KE350CA,SMDJ40C,SMDJ40A,5KP24C,5KP24A,1.5SMC12A,SMAJ140CA,30KPA48CA,20KPA20A,SMBJ80C,1.5SMC11A,SMBJ80A,15KPA40A,1.5KE24CA,SMF78A,SMDJ110CA,P6SMB27A,LCE51A,1.5KE600C,1.5KE68C,P6KE500CA,1.5KE600A,1.5KE68A,SMBJ24CA,20KPA104A,SMBJ8.5,5KP26C,5KP26A,SMBJ8.0,SA18CA,SMAJ19CA,5.0SMDJ64CA,15KPA220A,1.5SMC13A,P6SMB8.2CA,15KPA17CA,SMF75A,1.5KE11CA,30KPA180A,15KPA43A,P6KE15CA,P6SMB24A,1.5SMC16A,SMCJ440A,15KPA70CA,5KP20C,5KP20A,1.5KE68CA

2019/3/27  - 硕凯电子  - 选型指南 代理服务 技术支持 现货查询 批量订货

TVS二极管应用有哪些?

TVS二极管,作为一种高效的瞬态电压抑制元件,广泛应用于多个领域,用以保护电子设备免受电压尖峰和瞬态电压冲击的损害。这些应用领域包括消费电子、通信系统、汽车电子、工业控制以及能源系统等。消费电子在消费电子领域,TVS二极管用于保护智能手机、平板电脑、个人电脑、电视以及其他便携设备中的敏感电路。这些设备经常暴露于外部环境,容易受到静电放电(ESD)和其他电源线瞬变现象的影响。

2024-03-24 -  技术探讨 代理服务 技术支持 现货查询 批量订货
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品牌:硕凯电子

品类:TVS瞬态抑制二极管

价格:¥0.2750

现货: 7,050

品牌:硕凯电子

品类:TVS瞬态抑制二极管

价格:¥0.2125

现货: 1,550

品牌:鲁光电子

品类:TVS瞬态抑制二极管

价格:¥0.2500

现货: 150

品牌:鲁光电子

品类:TVS瞬态抑制二极管

价格:¥0.5625

现货: 150

品牌:鲁光电子

品类:TVS瞬态抑制二极管

价格:¥0.2500

现货: 150

品牌:鲁光电子

品类:TVS瞬态抑制二极管

价格:¥0.2500

现货: 150

品牌:鲁光电子

品类:TVS瞬态抑制二极管

价格:¥0.2500

现货: 120

品牌:鲁光电子

品类:TVS瞬态抑制二极管

价格:¥0.2500

现货: 118

品牌:鲁光电子

品类:TVS瞬态抑制二极管

价格:¥0.5625

现货: 100

品牌:鲁光电子

品类:TVS瞬态抑制二极管

价格:¥0.2250

现货: 100

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贴片LED二极管/灯珠定制

可定制LAMP LED、 CHIP LED、 PLCC LED、 汽车用车规级LED、COB LED的尺寸/电压/电流等参数,电压1.5-37V,电流5-150mA,波长470-940nm。

最小起订量: 30000 提交需求>

贴片灯珠定制

可定制单色光灯珠、双色灯珠、全彩灯珠、发光二极管、贴片灯珠、贴片LED等产品,尺寸:0.6*0.3mm-3.2*2.7mm,波长:405-940nm,亮度:24-750mcd,电压:1.5-3.5V。

最小起订量: 3000 提交需求>

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