工作电压5V的TVS瞬态抑制二极管有很多,热销型号有:PESD5V0S1BA、PESD5V0V1BB、PESD5V0U1UB、GBLC05C、PESD5V0S1BA等等。接下来,TVS厂家东沃电子(DOWOSEMI)重点要介绍的是5V电压PESD5V0V1BB。PESD5V0V1BB是双向TVS二极管,符合IEC 61000-4-2 (ESD)标准,空气放电±30kV,接触放电±30kV,是手机、数码相机、音频播放器和许多其他便携式应用程序理想的静电保护器件。
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查看东沃电子PESD5V0V1BB双向TVS二极管产品手册可知:
1)TVS管PESD5V0V1BB特点
低电容15pF典型值
低漏电流nA级
低工作电压
符合IEC 61000-4-2 (ESD) 抗扰度测试:空气放电:±30kV接触放电:±30kV
符合IEC61000-4-5(Lighting)8A(8/20μs)
符合ROHS标准
包装:SOD-523
2)TVS管PESD5V0V1BB参数
峰值脉冲功率Peak Pulse Power (8/20μs):120W
峰值脉冲电流Peak Pulse Current (8/20μs):8A
工作电压Reverse Working Voltage:5V
击穿电压Breakdown Voltage:5.5V
漏电流Reverse Leakage Current:0.5uA
钳位电压Clamping Voltage:15V
丝印标识Device Marking Code:5B
3)TVS管PESD5V0V1BB应用和电路原理图
功率120W电压5V封装SOD-523的双向TVS二极管PESD5V0V1BB主要应用于:手机及配件、笔记本电脑和手持设备、便携式仪器、数码相机、外围设备、音频播放器、键盘、侧键、LCD显示器等等产品中。有关TVS管PESD5V0V1BB的电路原理图,如下图所示:
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