WMSIC Electronic Components

LRC LESD8D12T5G

ModelLESD8D12T5G
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 LESD8D12T5G
Type
LRC
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
LESD8D12T5G
Electronic Component
1
Package
SOD-882
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.009g
Electronic Component
1
Cj- Capacitor
30pF
Electronic Component
BM0265978337
Voltage
23.7V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
13.3V

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

LESD8D12T5G ESD保护二极管产品概述

一、产品定位与核心应用场景

LESD8D12T5G是乐山无线电(LRC)推出的单向ESD保护二极管,专为电子设备中的敏感电路提供静电放电(ESD)防护,属于小封装、高可靠性的过压保护器件。其核心作用是在ESD脉冲冲击时快速导通,将电路电压钳位在安全范围,避免MCU、传感器、通信接口芯片等敏感元件因静电损坏,广泛适配消费电子、通信、工业控制等领域的高密度PCB设计需求。

二、关键性能参数深度解析

该器件参数围绕“低导通、高防护、小干扰”设计,核心性能解析如下:

  1. 工作与导通阈值:反向截止电压(Vrwm)为12V,正常工作时反向不导通,不影响信号传输;击穿电压(Vbr)13.3V,与Vrwm接近,确保ESD脉冲触发时ns级快速响应(ESD二极管典型特性),无延迟防护。
  2. 防护能力:峰值脉冲电流(Ipp)达5.9A(@8/20μs波形,IEC标准ESD脉冲),可承受多次大电流冲击;钳位电压(Vc)23.7V,远低于多数敏感芯片30V以上的损坏阈值,有效保护后端电路;峰值脉冲功率(Ppp)140W(@8/20μs),验证单次脉冲耐受能力。
  3. 信号干扰控制:结电容(Cj)30pF,在USB 2.0、UART、音频等低速接口中信号损耗可忽略;反向漏电流(Ir)仅1μA,正常工作时几乎不消耗电流,不影响电路功耗。
  4. 标准符合性:防护等级符合IEC 61000-4-2国际标准,满足行业通用ESD测试要求(如±15kV接触放电、±8kV空气放电)。

三、封装特性与兼容性

采用SOD882封装,具备以下优势:

  • 体积紧凑:典型尺寸1.6mm×0.8mm,适合智能手机、可穿戴设备等高密度PCB,节省布局空间;
  • 焊接兼容性:引脚间距与常规贴装设备适配,焊接工艺成熟,良率高;
  • 环保特性:符合RoHS无铅标准,满足全球电子设备环保要求,适合出口产品。

四、品牌可靠性与品质保障

乐山无线电(LRC)作为国内老牌半导体厂商,拥有50余年分立器件生产经验,产品可靠性经严格验证:

  • 多次ESD脉冲循环测试(1000次以上),确保长期防护性能稳定;
  • 高低温循环(-55℃~125℃)、湿度测试等环境验证,适应不同工作场景;
  • 批量一致性好,适合家电、通信等领域大规模生产应用。

五、典型应用场景示例

该器件实际应用覆盖多领域:

  1. 消费电子:手机/平板的USB接口、音频接口、充电端口,防护用户插拔时的静电;
  2. 通信设备:路由器、交换机的以太网接口(RJ45)、WiFi模块,抵御设备间静电干扰;
  3. 工业控制:PLC的I/O端口、传感器接口,应对工业现场静电冲击;
  4. 智能家居:智能音箱、门锁的按键/传感器接口,提升设备稳定性。

总结

LESD8D12T5G凭借小封装、高防护、低干扰的特性,成为敏感电路ESD防护的高性价比选择,适合对成本敏感且需可靠静电防护的电子设备设计。

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