【产品】专门用于保护敏感电子设备的400W表面贴装型瞬态电压抑制（TVS）二极管

时间： 2019-03-05 来源：Littelfuse

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P4SMA系列TVS是LITTELFUSE（力特）公司推出的400W表面贴装型瞬态电压抑制（TVS）二极管，此系列TVS专门用于保护敏感电子设备，使其免受雷击和其他瞬态电压事件。P4SMA系列TVS包含了单向TVS和双向TVS，其中单向TVS型号以A字母结尾，双向TVS型号以CA字母结尾；其峰值脉冲功耗最大为400W，峰值正向浪涌电流最大为60A，无卤素，且符合RoHS标准，可用于I/O接口，VCC总线以及电信，计算机，工业和消费电子应用中的电路保护。

图1 P4SMA系列TVS实物图

P4SMA系列TVS的反向截止电压范围为5.8V~468V，击穿电压最小值范围为6.45V~522.5V，击穿电压最大值范围为7.14V~577.5V，反向泄漏电流范围为1uA~1000uA。P4SMA系列TVS的封装形式为DO-214AC（SMA）贴片封装，封装尺寸小；其存储温度范围为-65℃~175℃，工作温度范围为-65℃~150℃，工作温度范围广，能够适应恶劣的环境要求。

图2 P4SMA系列TVS的尺寸大小图

P4SMA系列TVS的产品特性及优势：

●400W峰值脉冲功率（10/1000μs），重复率（占空比）：0.01%

●出色的箝位能力

●低增量浪涌电阻

●标准I_R小于1μA（击穿电压最小值>12V）

●表贴封装可优化PCB空间

●小尺寸封装

●基于JEDEC JESD201A的表4a和4c进行Whisker测试

● IEC-61000-4-2 ESD 30kV(空气), 30kV (接触)

●符合IEC 61000-4-4的数据线EFT保护

●内置式应力消除

●保证高温回流焊接：260°C/40秒

●符合可燃性分类V-0的环氧树脂（UL认可）

●符合MSL level1，符合J-STD-020，LF最大峰值为260°C

●无卤素，且符合RoHS标准

P4SMA系列TVS的主要应用：

●I/O接口

●VCC总线

●电信

●计算机

●工业

●消费电子

P4SMA系列TVS的型号信息：

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本文由TST翻译自Littelfuse，版权归世强硬创平台所有，非经授权，任何媒体、网站或个人不得转载，授权转载时须注明“来源：世强硬创平台”。

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SMAJ Series Surface Mount – 400W TVS Diodes Datasheet

型号- SMAJ200A,SMAJ6.0CA,SMAJ40CA,SMAJ200CA,SMAJ14CA,SMAJ6.0A,SMAJ10CA,SMAJ33CA,SMAJ28A,SMAJ16A,SMAJ7.5A,SMAJ18CA,SMAJ20A,SMAJ350A,SMAJ70CA,SMAJ120A,SMAJ60A,SMAJ110CA,SMAJ,SMAJ51CA,SMAJ160A,SMAJ9.0A,SMAJ48CA,SMAJXXXCA,SMAJ250CA,SMAJ17A,SMAJ7.5CA,SMAJ45A,SMAJ33A,SMAJ250A,SMAJ440A,SMAJ60CA,SMAJ350CA,SMAJ400A,SMAJ64CA,SMAJ8.0A,SMAJ15CA,SMAJ220CA,SMAJ11CA,SMAJ160CA,SMAJ26A,SMAJ14A,SMAJ78A,SMAJ54A,SMAJ130A,SMAJ30A,SMAJ90CA,SMAJ70A,SMAJ8.0CA,SMAJ300CA,SMAJ75CA,SMAJ170A,SMAJ440CA,SMAJ26CA,SMAJ45CA,SMAJ22CA,SMAJ130CA,SMAJ15A,SMAJ43A,SMAJ75A,SMAJ51A,SMAJ220A,SMAJ100CA,SMAJ16CA,SMAJ-XXXXX,SMAJ5.0CA,SMAJ12CA,SMAJ180CA,SMAJ54CA,SMAJ48A,SMAJ36A,SMAJ24A,SMAJ58CA,SMAJ12A,SMAJ188CA,SMAJ64A,SMAJ40A,SMAJ100A,SMAJ188A,SMAJ30CA,SMAJ8.5CA,SMAJ180A,SMAJ SERIES,SMAJ150CA,SMAJ5.0A,SMAJ13A,SMAJ6.5A,SMAJ85A,SMAJ85CA,SMAJ20CA,SMAJ6.5CA,SMAJ17CA,SMAJ36CA,SMAJ13CA,SMAJ18A,SMAJ120CA,SMAJ58A,SMAJ78CA,SMAJ22A,SMAJ10A,SMAJ110A,SMAJ300A,SMAJ90A,SMAJ9.0CA,SMAJ150A,SMAJ28CA,SMAJ7.0A,SMAJ24CA,SMAJ7.0CA,SMAJ400CA,SMAJ43CA,SMAJ170CA,SMAJ8.5A,SMAJ11A

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