WMSIC Electronic Components

LRC LESD11LL3.3CT5G

ModelLESD11LL3.3CT5G
PackageDFN0603-DL
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LRC LESD11LL3.3CT5G
Type
LRC
Minimum package
15000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
LESD11LL3.3CT5G
Electronic Component
1
Package
DFN0603-DL
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.007g
Electronic Component
1
Cj- Capacitor
0.35pF
Electronic Component
BM0264079975
Voltage
18V
Current(Ir)
500nA
Voltage(VBR)
4.7V
Electronic Component
Electronic Component
Electronic Component
15000

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

LESD11LL3.3CT5G ESD保护二极管产品概述

一、产品定位与核心功能

LESD11LL3.3CT5G是乐山无线电(LRC)针对3.3V供电系统设计的高性能ESD保护二极管,核心作用是吸收静电放电(ESD)脉冲能量,将过电压钳位在安全范围内,避免后端集成电路(IC)、传感器等敏感器件因ESD冲击损坏。该器件兼具低电容、小体积、高防护能力等特点,可无缝适配高速信号接口、便携设备及工业级应用场景,是电子系统抗静电设计的核心组件之一。

二、关键参数深度解析

该器件的参数设计精准匹配主流应用需求,核心参数的实际意义如下:

  1. 工作电压匹配性:反向截止电压(Vrwm=3.3V)与主流3.3V供电系统完全兼容;反向漏电流仅500nA,正常工作时不影响电路功耗与信号完整性,避免器件误触发。
  2. ESD防护能力:峰值脉冲电流(Ipp=4A)可覆盖IEC 61000-4-2标准最高等级的ESD冲击(接触放电8kV、空气放电15kV);钳位电压18V远低于多数IC的损坏阈值(通常30V以上),能快速将过电压限制在安全区间,保护后端器件。
  3. 高速信号兼容性:结电容(Cj=0.35pF)处于低电容范围,可适配USB 2.0/3.0、HDMI、MIPI等高速信号接口,避免因电容过大导致信号衰减、传输延迟,保障高速数据传输质量。
  4. 击穿特性:反向击穿电压4.7V略高于工作电压,确保正常工作时器件处于截止状态,仅在ESD脉冲到来时快速导通,实现“瞬态防护、常态截止”的设计目标。

三、封装设计与可靠性

该器件采用DFN0603-DL封装,具备以下核心优势:

  • 小体积:0603封装尺寸(约1.6mm×0.8mm),适合智能手机、智能手表等小型化设备的高密度PCB布局;
  • 低热阻:DFN无引脚设计减少热阻,可快速 dissipate 脉冲功率,提升器件长期可靠性;
  • 环保合规:符合RoHS无铅标准,满足全球市场的环保要求;
  • 宽温可靠性:通过-55℃~150℃的温度循环测试,可适配工业控制、车载电子等严苛场景。

四、典型应用场景

  1. 便携消费电子:智能手机、平板电脑、智能手表的Type-C接口、音频接口、MIPI显示接口的ESD防护;
  2. 消费电子终端:笔记本电脑、路由器、机顶盒的USB接口、HDMI接口、网络接口的静电防护;
  3. 工业与汽车电子:工业控制设备的传感器接口、车载信息娱乐系统的USB/蓝牙接口、汽车仪表盘的显示接口防护;
  4. 通信设备:5G基站、WiFi 6模块、射频收发器的信号接口防护,低电容特性不影响射频信号传输。

五、品牌与质量保障

乐山无线电(LRC)是国内半导体行业的资深厂商,拥有超过50年的分立器件制造经验,产品覆盖ESD保护、稳压管、三极管等多个品类。LESD11LL3.3CT5G采用先进的芯片制造工艺,每批次均通过严格的ESD测试与参数筛选,质量稳定可靠;同时LRC具备完善的供应链体系,可满足客户批量供货需求,为终端产品的可靠性提供保障。

该器件以高性价比、高可靠性成为3.3V系统ESD防护的优选方案,可有效降低终端产品的静电损坏风险,提升市场竞争力。

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