WMSIC Electronic Components

LRC LESD3Z5.0T1G

ModelLESD3Z5.0T1G
PackageSOD-323
BrandLRC
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LRC LESD3Z5.0T1G
Type
LRC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
LESD3Z5.0T1G
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.027g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
350pF
Electronic Component
BM0226525969
Voltage
10.5V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
10uA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

LESD3Z5.0T1G 产品概述

一、产品简介

LESD3Z5.0T1G 是乐山无线电(LRC)推出的一款单路单向ESD浪涌保护二极管,封装为SOD-323,面向接口与信号线保护场景。器件在8/20µs测试条件下可承受峰值脉冲功率250W(对应峰值脉冲电流24A),并符合IEC 61000-4-2、IEC 61000-4-4、IEC 61000-4-5等电磁兼容防护标准,适用于消费电子、通信设备和工业控制等需要静电与浪涌防护的应用。

二、关键电气参数

  • 钳位电压(Vclamp):10.5V(典型,8/20µs)
  • 击穿电压(Vbr):9.8V
  • 反向截止电压(Vrwm/工作电压):5V
  • 峰值脉冲功率(Ppp):250W @ 8/20µs
  • 峰值脉冲电流(Ipp):24A @ 8/20µs
  • 结电容(Cj):350pF(典型)
  • 反向漏电流(Ir):10µA
  • 通道数/极性:单路,单向
  • 类型:ESD保护二极管
  • 封装:SOD-323
  • 标准兼容:IEC 61000-4-2/4-4/4-5

三、主要特性与优势

  • 高能量吸收:250W 峰值脉冲功率,能有效吸收瞬态浪涌和静电放电能量。
  • 低钳位电压:典型钳位10.5V,在浪涌事件下可限制线上电压,保护下游电路。
  • 单向结构:适合对地保护的单向电源或信号线(常态为反向偏置)。
  • 紧凑封装:SOD-323 小体积,便于在空间受限的移动设备及接口处布局。
  • EMC等级:通过多项IEC测试,提高系统整体抗扰度。

四、典型应用场景

  • 接口保护:USB(低速/全速)、RS-232、I/O口、按键或外壳接地保护(注意Cj对高速信号的影响)。
  • 通信设备:调制解调器、路由器、交换机等数据接口的浪涌与静电保护。
  • 工业与家电:控制信号保护、电源小电压线路防护。
  • 可穿戴与便携设备:接口和外壳接触放电防护(空间受限时优势明显)。

五、设计与使用建议

  • 连接方式:单向器件常见接法为阴极接保护线,阳极接地;正常工作时处于反向偏置,遇到过电压导通至地。
  • 布局要点:将器件放置于受保护接口与系统地之间,尽量靠近连接器,缩短走线长度与回流环路,使用多点接地或地墩并加多过孔以降低感抗。
  • 信号完整性:结电容约350pF,可能对高速差分信号(如高速USB/HDMI)产生较大影响,建议仅用于对带宽要求不高或单端信号的防护;对高速接口请选择低电容版本TVS。
  • 温度与焊接:遵循SOD-323的推荐回流焊接温度曲线,避免超过制造商推荐的峰值温度和时长以保证可靠性。

六、可靠性与测试

器件通过IEC 61000-4-2(ESD)、IEC 61000-4-4(快速瞬变脉冲群)和IEC 61000-4-5(浪涌)测试,可在标准工业/消费等级应用中提供可信的瞬态防护。实际设计中建议在样机阶段按目标系统的真实脉冲源进行抗扰度测试,验证钳位性能与下游电路安全裕度。

七、封装与订购信息

  • 型号:LESD3Z5.0T1G
  • 封装:SOD-323(表面贴装,单路)
  • 包装形式:卷带盘装(具体请参考厂商数据手册与订购信息)

总结:LESD3Z5.0T1G 为一款性能均衡的单向ESD保护器件,适用于需要中等能量吸收与接口防护的场景。在使用时需注意其350pF的结电容对高速信号的影响,合理布局和接地能显著提升保护效果与系统可靠性。若需更低电容或更高能量等级的保护元件,可根据具体应用向供应商咨询相应型号。

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