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LTVS16H6.3T5G是乐山无线电(LRC)推出的超小型瞬态抑制二极管(TVS),专为低电压电子系统的静电放电(ESD)防护设计。其核心定位是在保证低功耗、极小体积的前提下,为敏感半导体电路提供快速、可靠的ESD防护,避免器件因静电冲击失效或损坏。
该器件的典型应用场景包括:
LTVS16H6.3T5G的核心参数围绕“低电压兼容+高效防护”设计,关键参数及实际意义如下:
指器件在正常工作状态下,反向可承受的最大连续电压(不发生击穿)。该参数适配主流低电压系统(如3.3V、5V电源),确保器件在系统正常供电时不导通,不影响电路功能与功耗。
反向电压超过此值时,器件开始进入雪崩击穿状态,快速导通泄放电流。击穿电压与截止电压的差值仅0.7V,保证防护响应速度(ns级),避免电压过冲损坏后端电路。
当遭遇ESD脉冲冲击时,器件两端的最大限制电压。该参数是防护能力的核心指标——15V的钳位电压远低于多数敏感半导体器件的最大耐压(通常20V以上),可有效保护后端电路不被高压击穿。
反向截止状态下的漏电流,低至1uA级(可忽略不计)。这一特性确保器件不影响低功耗系统的待机电流,适合电池供电设备的长续航需求。
LTVS16H6.3T5G采用DFN1610封装,是一款超小型无引脚/极短引脚封装,具体物理特性如下:
LTVS16H6.3T5G的典型应用为并联防护,核心思路是将ESD脉冲泄放到地,钳位电压保护后端电路。以下为两种常见场景:
电路连接:电源输入(Vcc)→ 滤波电容(如100nF)→ TVS(阴极接Vcc,阳极接地)→ 负载电路
原理:当电源端遭遇ESD脉冲时,TVS快速击穿导通,将脉冲电流通过地泄放,钳位电压限制负载端电压不超过15V,避免电源过压损坏负载。
电路连接:信号输入→ 串联限流电阻(如100Ω)→ TVS(阳极接地,阴极接信号)→ 信号处理电路
原理:限流电阻降低ESD脉冲的峰值电流,TVS钳位信号电压至15V以下,保护后端MCU、传感器等敏感器件。
LTVS16H6.3T5G由乐山无线电(LRC) 生产,LRC是国内半导体行业的老牌厂商,在TVS、二极管等器件领域拥有30+年研发与制造经验,产品覆盖消费电子、汽车、工业等领域。该器件的可靠性经过多重测试验证:
总结:LTVS16H6.3T5G以“小体积、低功耗、高效防护”为核心优势,适配低电压电子系统的ESD防护需求,是便携式设备、物联网终端等场景的理想选择。
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