【产品】瞬态电压抑制二极管TVS CSH03LB，具有高速数据线瞬态保护和低钳位电压，适用于便携式应用

时间： 2023-01-20 来源：晟驰微电子

技术问答

晟驰微电子发布瞬态电压抑制二极管TVS——CSH03LB用于保护对高压敏感的精密元器件免受ESD和瞬态电压的影响；出色的钳位能力、低漏电流和快速响应时间；CSH03LB适用于手机、便携式设备、数码相机、电源和许多其他便携式应用。

机械特性

◆DFN0603-2L

◆ROHS/兼容

◆无卤

◆模塑料可燃性等级：UL 94V-0

◆标记：型号

◆包装：符合EIA 481的编带和卷盘

特点

◆ IEC 61000-4-2(ESD)

- 25kV接触放电

- 25kV空气放电

◆ IEC 61000-4-5(Lightning)

- 8A(8/20μs)

◆ IEC 61000-4-4 EFT保护

- 40A(5/50ns)

◆无卤且符合RoHS标准

◆保护定向I/O线

◆高速数据线瞬态保护

◆低钳位电压

◆低漏电流

应用

◆手机和配件

◆基于微处理器的设备

◆个人数字助手

◆笔记本电脑/台式电脑/服务器

◆便携式仪器

◆外围设备和寻呼机

◆交换传输系统

◆10/100/1000M以太网

◆广域网/局域网设备

规格和管脚配置

订货信息

绝对最大额定值(TA=25℃ 除另有说明外)

电气特性(TA=25℃ 除另有说明外)

典型性能特性(TA=25℃ 除另有说明外)

注：

图1.峰值脉冲功率降额曲线

图2.峰值脉冲功率与脉冲时间

图3.脉冲波形

图4.钳位电压与电流

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本文由Cindy王翻译自晟驰微电子，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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新产品发布时间 : 2020-12-08

TVS工作原理是什么？

TVS（Transient Voltage Suppressors），即瞬态电压抑制器，又称雪崩击穿二极管。它是采用半导体工艺制成的单个 PN 结或多个 PN 结集成的器件。TVS 有单向与双向之分，单向 TVS 一般应用于直流供电电路，双向 TVS 应用于电压交变的电路。

技术问答发布时间 : 2024-05-28

【产品】TVS二极管（瞬态抑制二极管）VS4V5BU1QS，最大工作电压为4.5V，采用SMD1006表面贴片封装

VS4V5BU1QS是ROHM推出的TVS二极管（瞬态抑制二极管），采用SMD1006表面贴片封装，最小独立包装数为18000，产品符合ROHS认证。该TVS二极管反向关断电压（即工作电压）最大值为4.5V, 反向击穿电压最大值为6.5V，钳位电压不超过12V。该器件可以提供高达±30kV电压的ESD防护能力，能够有效阻止电压冲击对保护系统中电压敏感元件的损坏。

新产品发布时间 : 2019-08-08

CREATEK雷击浪涌防护指南——瞬态抑制二极管原理及应用

TVS是电压敏感器件，当干扰电压超过TVS的击穿电压时，TVS开始工作，由高阻态变成低阻态，泄放浪涌电流。由于TVS/ESD的稳定性非常好，同时电压等级可以做得的比较低，封装类型也非常齐全，所以广泛应用在各类电子产品中，包括但不限于笔记本电脑、手机、蓝牙耳机、智能音箱、扫地机器人以及在汽车电子中都有广泛的应用。

设计经验发布时间 : 2023-11-23