WMSIC Electronic Components

LRC LESD8D24CT5G

ModelLESD8D24CT5G
PackageSOD-882
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 LESD8D24CT5G
Type
LRC
Minimum package
10000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
LESD8D24CT5G
Electronic Component
1
Package
SOD-882
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.092g
Electronic Component
1
Cj- Capacitor
30pF
Electronic Component
BM0230634266
Voltage
29V;35V
Electronic Component
IEC 61000-4-2
Current(Ir)
100nA
Voltage(VBR)
26V
Electronic Component
Electronic Component

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

LESD8D24CT5G 产品概述

一、产品简介

LESD8D24CT5G 是乐山无线电(LRC)推出的一款 SOD-882 封装的 ESD 保护二极管,专为接口和信号线的静电放电与浪涌保护而设计。器件具有 24V 的反向截止电压(Vrwm),击穿电压 26V,能在突发脉冲事件中快速夹位并将能量导入地线,从而保护后端敏感电路。

二、主要性能参数

  • 反向截止电压(Vrwm):24V
  • 击穿电压:26V
  • 钳位电压:典型 29V(在指定脉冲条件下),高应力下可见 35V 级别
  • 峰值脉冲电流(Ipp):5A(8/20μs)
  • 峰值脉冲功率(Ppp):175W @ 8/20μs
  • 反向电流(Ir):约 100nA(在额定电压附近)
  • 结电容(Cj):约 30pF
  • 防护等级:符合 IEC 61000-4-2 ESD 测试要求
  • 封装:SOD-882(小型表面贴装)

三、特点与优势

  • 小体积 SOD-882 封装,便于在高密度 PCB 上布局;
  • 低漏电流(~100nA),适合对静态电流敏感的电路;
  • 较高的脉冲功率吸收能力(175W@8/20μs)与 5A 峰值脉冲电流能力,可靠应对瞬态冲击;
  • 响应速度快,能有效钳位瞬态电压,保护后端芯片;
  • 结电容约 30pF,适用于中低速信号线保护。

四、典型应用场景

  • USB、RS-232/RS-485、CAN 等通信接口的过压/ESD 保护;
  • 电源输入和信号接口的浪涌保护;
  • 工业控制、消费电子、物联网终端等需通过 IEC 61000-4-2 标准的场合;
  • 需要小封装、低漏电且中等结电容容忍度的保护位点。

五、设计与布局建议

  • 将 LESD8D24CT5G 尽量靠近受保护的外部接口或连线处放置,缩短走线长度以降低感性环抗;
  • 保护二极管的 GND 引脚应直接回到器件的公共地或星形地,避免经过长距离走线或多处过孔;
  • 对高速接口注意结电容(30pF)对信号完整性的影响,必要时可改用更低 Cj 的型号或增加系列阻抗元件;
  • 对于更高能量的浪涌,可与熔断器、抑制电阻或磁珠配合使用,分担能量并保护二极管不被损坏。

六、选型注意事项

购买和使用前建议核对器件是单向还是双向 ESD 保护款、器件极性与 PCB 封装一致性,并参考厂商完整数据手册以确认钳位电压在特定测试电流下的具体数值及环境温度对性能的影响。

七、总结

LESD8D24CT5G 在小体积封装下提供了良好的 ESD 抗扰能力和中等功率吸收能力,适合多数接口保护场景。其低漏电和符合 IEC 61000-4-2 的特性,使其在消费电子和工业应用中具备较高的实用性;但在超高速或极低电容敏感的应用中,需要权衡 30pF 的结电容影响,并根据具体需求选型。若需更详细的电气特性曲线与封装尺寸,请参阅 LRC 官方数据手册。

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