WMSIC Electronic Components

LRC S-LESD8LL5.0CT5G

ModelS-LESD8LL5.0CT5G
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 S-LESD8LL5.0CT5G
Type
LRC
Minimum package
10000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
S-LESD8LL5.0CT5G
Electronic Component
1
Package
SOD-882
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.01g
Electronic Component
1
Cj- Capacitor
0.3pF
Electronic Component
BM0263676789
Voltage
25V
Current(Ir)
500pA
Voltage(VBR)
6V
Electronic Component
Electronic Component
Electronic Component
10000

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

S-LESD8LL5.0CT5G ESD防护二极管产品概述

S-LESD8LL5.0CT5G是乐山无线电(LRC)推出的车规级ESD防护二极管,专为汽车电子及高速敏感电路的静电放电(ESD)防护设计,兼具低电容、高可靠性与宽工作温度范围,可有效抵御IEC 61000-4-2等国际标准下的ESD脉冲冲击,保护后端半导体器件免受静电损坏。

一、产品核心定位与价值

作为车规级防护器件,该产品的核心价值体现在三个维度:

  1. 车规可靠性:满足汽车电子严苛的AEC-Q101标准,适配车载环境的温度、振动、湿度等极端条件;
  2. 高速信号兼容:0.3pF结电容对高速数字信号完整性影响极小,可支持10Gbps以上传输速率;
  3. 精准防护:25V钳位电压确保ESD脉冲时后端器件电压不超安全阈值,同时低漏电流不干扰电路正常工作。

二、关键电气参数深度解析

该器件的电气参数针对汽车电子场景做了精准优化,核心参数意义如下:

  1. 反向截止电压(Vrwm=5V):电路正常工作时,反向偏置电压≤5V时器件处于截止状态,无明显漏电流,不影响电路功能;
  2. 击穿电压(Vbr=6V):反向电压超过6V时器件启动导通,避免电压持续升高击穿后端器件;
  3. 钳位电压(Vc=25V):在4A峰值脉冲电流下,器件两端电压被钳位至25V,远低于MCU、传感器等半导体器件的典型最大耐压(3.3V/5V),防护效果可靠;
  4. 峰值脉冲功率(Ppp=80W):可承受单次80W的ESD脉冲冲击,符合IEC 61000-4-2的接触放电±8kV、空气放电±15kV要求;
  5. 反向漏电流(Ir=500pA):反向偏置时漏电流极小,不会导致电路功耗增加或信号干扰;
  6. 结电容(Cj=0.3pF):高速信号(如USB 3.0、HDMI 2.0、CAN FD)对电容负载敏感,0.3pF可保证信号上升沿/下降沿失真度<5%,传输误码率达标。

三、封装与可靠性设计

  1. SOD-882封装:表面贴装型,尺寸仅1.6×0.8×0.5mm,适合汽车电子中空间受限的应用(如车载中控、仪表盘、传感器模块);
  2. 宽温工作范围:支持-55℃至+150℃的温度区间,覆盖汽车发动机舱、冬季低温等极端环境;
  3. 抗干扰设计:采用低寄生电感封装结构,减少ESD脉冲时的引线电感影响,提升防护响应速度;
  4. 环保合规:符合RoHS标准,采用无铅焊接工艺,满足全球市场环保要求。

四、典型应用场景

该器件主要用于汽车电子及高速敏感电路的ESD防护,典型场景包括:

  1. 车载高速接口:USB充电/数据接口、CAN/LIN总线、HDMI/LVDS显示接口、车载以太网;
  2. 车载传感器模块:倒车摄像头、胎压监测(TPMS)传感器、环境传感器(温度/湿度/光线);
  3. 车载信息娱乐系统:中控触摸屏、车载音响接口、导航系统数据接口。

五、应用注意事项

  1. 电压匹配:电路工作电压需≤5V(反向截止电压),避免器件反向导通;
  2. 布局优化:ESD二极管应尽可能靠近接口连接器放置,减少引线长度(≤5mm),降低电感干扰;
  3. 焊接要求:采用回流焊工艺,峰值温度≤260℃,避免过热损坏器件;
  4. 环境验证:确认应用环境温度在-55℃~+150℃范围内,符合车规可靠性要求。

S-LESD8LL5.0CT5G凭借车规级可靠性、低电容高速防护能力,成为汽车电子领域ESD防护的主流选择,可有效提升产品的静电抗扰度与长期使用寿命。

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