【经验】全业电子解读与齐纳二极管、陶瓷电容、MLV器件相比,TVS瞬态电压抑制二极管在ESD防护中的优势
TVS全称瞬态电压抑制二极管(Transient Voltage Suppressors Devices),从这个角度讲其实常用到的硅基TVS、MOV、GDT、TSS这些器件都可以归到此类。只是由于材质和防护机理的不一样,行业会有不同的归类叫法,也方便区分。全业电子解读与齐纳二极管、陶瓷电容、MLV器件相比,TVS瞬态抑制二极管在ESD防护中的优势。
TVS二极管最显着的特点一是反应迅速,使瞬时脉冲在没有对线路或器件造成损伤之前就被有效地遏制,二是截止电压比较低,更适用于电池供电的低电压回路环境。另外对TVS二极管设计的改进使其具有更低的漏电流和结电容,因而在处理高速率传导回路的静电冲击时有更理想的性能表现。
TVS与齐纳二极管:与传统的齐纳二极管相比,TVS二极管P/N结面积更大,这一结构上的改进使TVS具有更强的高压承受能力,同时也降低了电压截止率,因而对于保护手持设备低工作电压回路的安全具有更好效果。
TVS与陶瓷电容:很多设计人员愿意采用表面贴装的陶瓷电容作ESD保护,不但便宜而且设计简便,但这类器件对高压的承受力却比较弱。5kV的冲击会造成约10%陶瓷电容失效,到10kV时,损坏率达到60%,而TVS可以承受15kV电压。在手持设备的使用过程中,由于与人体频繁接触,各个端口必须至少能够承受8kV接触冲击(IEC61000-4-2标准),可见使用TVS可以有效保证最终产品的合格率。
TVS与MLV:多层金属氧化物结构器件(MLV)也可以进行有效的瞬时高压冲击抑制,此类器件具有非线性电压-电流(阻抗表现)关系,截止电压可达最初中止电压的2~3倍,这种特性适合用于对电压不太敏感的线路和器件的保护,如电源回路。而TVS二极管具有更好的电压截止因子,同时还具有较低的电容,这一点对于手持设备的高频端口非常重要,因为过高的电容会影响数据传输,造成失真或是降级。TVS二极管的各种表面封装均适合流水线装配的要求,而且芯片结构便于集成其它的功能,如EMI和RFI过滤保护等,可有效降低器件成本,优化整体设计。
另一个不能忽略的特点是二极管可以很方便地与其它器件集成在一个芯片上,现有很多将EMI过滤和RFI防护等功能与TVS集成在一起的器件,不但减少设计所采用的器件数目降低成本,而且也避免PCB板上布线时易诱发的伴生自感。
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本文由ll转载自全业电子,原文标题为:解读TVS瞬态抑制二极管在ESD防护中的优势,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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SERIES,SMF22CA,SMDJ48A,SMCJ20C,SMAJ45,SMCJ7.0CA,SMAJ48,20KP SERIES,SMCJ20A,P4KE36CA,SMAJ43,SMAJ40,P6KE200A,SMDJ,SMBJ85C,SMBJ85A,1.5KE600,P4KE9.1,1.5KE380A,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,15KP45A,SMDJ64CA,3KP13CA,5KP180CA,SMAJ17,LCE54A,SMAJ16,SMAJ19,SMAJ18,SMAJ13,SMAJ12,1.5KE62A,SMAJ15,SMAJ14,SMAJ11,SMAJ10,1.5KE62C,SMCJ26CA,SA75A,SA75C,SMDJ43A,1.5SMC91CA,SMDJ43C,1.5SMC180CA,1.5KE250C,15KP43A,P4KE18QC,1.5KE250A,SA78A,1.5KE8.2C,SA78C,SA190C,SMAJ85CA,P4SMA200A,SA190A,1.5KE8.2A,1.5SMC300A,15KP40A,P6SMB180CA,30KP102CA,P4SMA150CA,SMBJ90CA,SMAJ110C,SMAJ110A,15KP200A,SMF6.0CA,P6SMB7.5A,5KP15,5KP16,5KP13,SMF48CA,5KP14,5KP11,5KP12,5KP10,P4KE10CA,P4KE18CA,1.5KE350CA,SMDJ40C,SMDJ40A,30KP84A,30KP120CA,5KP24C,5KP24A,15KP28CA,8.0SMDJ SERIES,1.5SMC12A,SMAJ140CA,SMBJ80C,1.5SMC11A,SMBJ80A,1.5KE24CA,SMF78A,SMDJ110CA,P6SMB27A,LCE51A,1.5KE68C,1.5KE600C,P6KE500CA,1.5KE68A,1.5KE600A,SMBJ24CA,SMBJ8.5,5KP26C,5KP26A,SMBJ8.0,SA18CA,30KP240CA,5.0SMDJ64CA,15KP180CA,P6SMB8.2CA,1.5SMC13A,SMF75A,1.5KE11CA,P6KE15CA,30KP258A,P6SMB24A,SMCJ440A,1.5SMC16A,30KP60CA,5KP20C,5KP20A,1.5KE68CA,SMBJ11CA,SMDJ5.0CA,LCE,1.5SMC15A,SAC5.0,5KP12CA,P4KE91C,P4KE91A,SMF17CA,SMDJ350CA
【产品】每条线60W峰值脉冲功率的瞬态电压抑制器阵列ESD05V36T-4L,可保护4条单向线路,工作电压5V
ESD05V36T-4L是全业电子推出的一款用于保护电压敏感元件免受ESD和瞬态电压事件影响的瞬态电压抑制器(TVS)阵列,具有出色的钳位能力、低漏电流和快速响应时间特性,对于电路板空间非常宝贵的设计来说,该产品可作为ESD保护的理想选择。
产品 发布时间 : 2023-04-10
SMAJ Series 5.0 To 440 V 400W Surface Mount Transient Voltage Suppressors (TVS)
型号- SMAJ60,SMAJ6.0CA,SMAJ160,SMAJ40CA,SMAJ7.5C,SMAJ14CA,SMAJ5.0,SMAJ28A,SMAJ16A,SMAJ28C,SMAJ16C,SMAJ58,SMAJ7.5A,SMAJ54,SMAJ120C,SMAJ350A,SMAJ51,SMAJ120A,SMAJ60A,SMAJ110CA,SMAJ,SMAJ51CA,SMAJ60C,SMAJ170,SMAJ9.0A,SMAJ9.0C,SMAJ48CA,SMAJ17A,SMAJ45,SMAJ17C,SMAJ48,SMAJ7.5CA,SMAJ43,SMAJ250A,SMAJ40,SMAJ350CA,SMAJ64CA,SMAJ400A,SMAJ140,SMAJ8.0A,SMAJ15CA,SMAJ6.0,SMAJ8.0C,SMAJ220CA,SMAJ160CA,SMAJ6.5,SMAJ26A,SMAJ14A,SMAJ36,SMAJ26C,SMAJ14C,SMAJ30,SMAJ33,SMAJ130A,SMAJ90CA,SMAJ70A,SMAJ300CA,SMAJ70C,SMAJ75CA,SMAJ150,SMAJ130C,SMAJ26CA,SMAJ28,SMAJ24,SMAJ15A,SMAJ26,SMAJ15C,SMAJ20,SMAJ22,SMAJ11C,SMAJ220A,SMAJ120,SMAJXXXXX,SMAJ12CA,SMAJ17,SMAJ16,SMAJ7.0,SMAJ19,SMAJ180CA,SMAJ18,SMAJ13,SMAJ12,SMAJ15,SMAJ48A,SMAJ7.5,SMAJ14,SMAJ36A,SMAJ24A,SMAJ48C,SMAJ58CA,SMAJ12A,SMAJ36C,SMAJ11,SMAJ24C,SMAJ10,SMAJ12C,SMAJ100C,SMAJ100A,SMAJ80A,SMAJ80C,SMAJ8.5CA,SMAJ130,SMAJ180C,SMAJ180A,SMAJ5.0C,SMAJ5.0A,SMAJ13A,SMAJ13C,SMAJ33C,SMAJ85CA,SMAJ100,SMAJ36CA,SMAJ13CA,SMAJ8.0,SMAJ120CA,SMAJ58A,SMAJ8.5,SMAJ58C,SMAJ22A,SMAJ10A,SMAJ22C,SMAJ110C,SMAJ10C,SMAJ110A,SMAJ90A,SMAJ190C,SMAJ90C,SMAJ190A,SMAJ110,SMAJ24CA,SMAJ7.0CA,SMAJ400CA,SMAJ170CA,SMAJ8.5A,SMAJ8.5C,SMAJ11A,SMAJ43C,SMAJ200A,SMAJ200CA,SMAJ6.0A,SMAJ6.0C,SMAJ10CA,SMAJ33CA,SMAJ9.0,SMAJ140CA,SMAJ18CA,SMAJ20A,SMAJ20C,SMAJ70CA,SMAJ160C,SMAJ160A,SMAJ190CA,SMAJ250CA,SMAJ45A,SMAJ33A,SMAJ45C,SMAJ60CA,SMAJ440A,SMAJ11CA,SMAJ78A,SMAJ19CA,SMAJ54A,SMAJ78C,SMAJ30A,SMAJ54C,SMAJ30C,SMAJ8.0CA,SMAJ170C,SMAJ170A,SMAJ440CA,SMAJ45CA,SMAJ22CA,SMAJ130CA,SMAJ43A,SMAJ75A,SMAJ80CA,SMAJ51A,SMAJ75C,SMAJ100CA,SMAJ51C,SMAJ16CA,SMAJ5.0CA,SMAJ54CA,SMAJ64A,SMAJ140A,SMAJ40A,SMAJ64C,SMAJ40C,SMAJ90,SMAJ30CA,SMAJ140C,SMAJ6.5C,SMAJ SERIES,SMAJ150CA,SMAJ85,SMAJ6.5A,SMAJ85A,SMAJ85C,SMAJ80,SMAJ180,SMAJ20CA,SMAJXXXCA,SMAJ6.5CA,SMAJ17CA,SMAJ18A,SMAJ18C,SMAJ78,SMAJ78CA,SMAJ75,SMAJ70,SMAJ190,SMAJ300A,SMAJ9.0CA,SMAJ150C,SMAJ150A,SMAJ28CA,SMAJ7.0A,SMAJ7.0C,SMAJ19A,SMAJ43CA,SMAJ19C,SMAJ64
【产品】工作电压5V的TVS阵列SRV05-4,80W峰值脉冲功率,超低电容典型值为0.8pF
SRV05-4是全业电子推出的一款用于保护电压敏感元件免受ESD和瞬态电压事件影响的瞬态电压抑制器(TVS)阵列,具有出色的钳位能力、低漏电流和快速响应时间特性,对于电路板空间非常宝贵的设计来说,该产品可作为ESD保护的理想选择。
产品 发布时间 : 2023-04-09
SMCJ Series 5.0 To 440 V 1500W Surface Mount Transient Voltage Suppressors (TVS)
型号- SMCJ36CA,SMCJ9.0,SMCJ120C,SMCJ440CA,SMCJ120A,SMCJ43A,SMCJ43C,SMCJ85CA,SMCJ8.5A,SMCJ24CA,SMCJ45A,SMCJ8.5C,SMCJ20C,SMCJ7.0CA,SMCJ SERIES,SMCJ14CA,SMCJ20A,SMCJ78A,SMCJ190C,SMCJ7.5C,SMCJ190A,SMCJ7.5A,SMCJ110C,SMCJ110A,SMCJ100CA,SMCJ40CA,SMCJ8.5CA,SMCJ48CA,SMCJ9.0A,SMCJ,SMCJ9.0C,SMCJXXXCA,SMCJ150CA,SMCJ350A,SMCJ30C,SMCJ51CA,SMCJ54A,SMCJ78C,SMCJ13CA,SMCJ30A,SMCJ54C,SMCJ140C,SMCJ8.0C,SMCJ140A,SMCJ8.0A,SMCJ400A,SMCJ400CA,SMCJ250A,SMCJ160CA,SMCJ51A,SMCJ75C,SMCJ51C,SMCJ75A,SMCJ64CA,SMCJ26CA,SMCJ8.0CA,SMCJ90CA,SMCJ40A,SMCJ64C,SMCJ40C,SMCJ16CA,SMCJ64A,SMCJ75CA,SMCJXXXXX,SMCJ18A,SMCJ18C,SMCJ130C,SMCJ130A,SMCJ80CA,SMCJ180,SMCJ85C,SMCJ85A,SMCJ19A,SMCJ6.5C,SMCJ19C,SMCJ90,SMCJ6.5A,SMCJ220CA,SMCJ110CA,SMCJ190,SMCJ15CA,SMCJ30CA,SMCJ28C,SMCJ85,SMCJ16C,SMCJ78CA,SMCJ28A,SMCJ160C,SMCJ16A,SMCJ80,SMCJ160A,SMCJ5.0,SMCJ120CA,SMCJ350CA,SMCJ9.0CA,SMCJ160,SMCJ78,SMCJ20CA,SMCJ43CA,SMCJ17C,SMCJ75,SMCJ70,SMCJ28CA,SMCJ17A,SMCJ300CA,SMCJ7.0C,SMCJ7.0A,SMCJ300A,SMCJ60C,SMCJ170,SMCJ18CA,SMCJ170CA,SMCJ60A,SMCJ54CA,SMCJ6.5,SMCJ26A,SMCJ14A,SMCJ64,SMCJ26C,SMCJ14C,SMCJ60,SMCJ150C,SMCJ6.0A,SMCJ150A,SMCJ6.0,SMCJ6.0C,SMCJ140,SMCJ200A,SMCJ180CA,SMCJ58,SMCJ13C,SMCJ54,SMCJ15A,SMCJ15C,SMCJ51,SMCJ70C,SMCJ150,SMCJ17CA,SMCJ70CA,SMCJ6.5CA,SMCJ48,SMCJ70A,SMCJ45,SMCJ43,SMCJ11CA,SMCJ48A,SMCJ7.5,SMCJ36A,SMCJ24A,SMCJ48C,SMCJ12A,SMCJ36C,SMCJ40,SMCJ7.0,SMCJ180C,SMCJ180A,SMCJ250CA,SMCJ19CA,SMCJ100C,SMCJ100A,SMCJ120,SMCJ440A,SMCJ36,SMCJ60CA,SMCJ11A,SMCJ11C,SMCJ22CA,SMCJ33,SMCJ30,SMCJ45CA,SMCJ13A,SMCJ200CA,SMCJ130,SMCJ6.0CA,SMCJ80A,SMCJ130CA,SMCJ80C,SMCJ28,SMCJ26,SMCJ24C,SMCJ12C,SMCJ24,SMCJ12CA,SMCJ22,SMCJ33CA,SMCJ10CA,SMCJ20,SMCJ58A,SMCJ8.5,SMCJ58C,SMCJ58CA,SMCJ8.0,SMCJ170C,SMCJ5.0CA,SMCJ170A,SMCJ100,SMCJ220A,SMCJ18,SMCJ19,SMCJ140CA,SMCJ16,SMCJ17,SMCJ14,SMCJ15,SMCJ12,SMCJ33A,SMCJ13,SMCJ45C,SMCJ10,SMCJ33C,SMCJ11,SMCJ5.0A,SMCJ5.0C,SMCJ110,SMCJ7.5CA,SMCJ90A,SMCJ90C,SMCJ190CA,SMCJ22A,SMCJ10A,SMCJ22C,SMCJ10C
电子商城
品牌:全业电子
品类:Surface Mount Transient Voltage Suppressors
价格:¥0.3900
现货: 0
品牌:全业电子
品类:Surface Mount Transient Voltage Suppressors
价格:¥0.6450
现货: 0
品牌:全业电子
品类:Surface Mount Transient Voltage Suppressors
价格:¥0.6450
现货: 0
现货市场
服务
整体外形尺寸小至0.6*0.3*0.3mm (DFN0603),工作电压范围覆盖2.5V~36V,电容值低至0.2pF,浪涌能力最高可达240安培,静电等级可达空气放电、接触放电±30KV。提供免费浪涌测试仪、静电测试仪测试。
提交需求>
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>
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