WMSIC Electronic Components

Leiditech ESD0521C

ModelESD0521C
Package0201
BrandLeiditech
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

13 specifications

Core information

Product name
Leiditech ESD0521C
Type
LEIDITECH
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LEIDITECH
Electronic Component
ESD0521C
Electronic Component
1
Package
0201
Electronic Component
0.004g
Electronic Component
1
Electronic Component
BM0265793020
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.

ESD0521C 瞬态抑制二极管(TVS)产品概述

一、产品基本定位与品牌背景

ESD0521C是国内专业过压防护品牌雷卯电子(Leiditech) 推出的双向瞬态抑制二极管(TVS),核心定位为5V供电系统的静电放电(ESD)及浪涌防护专用器件。雷卯电子专注过压防护领域多年,产品覆盖TVS、压敏电阻等全系列,以“高可靠性、小体积、适配性强”为核心优势,广泛应用于消费电子、IoT、工业控制等场景。ESD0521C针对低电压敏感电路设计,可精准抑制瞬态过压对后端芯片的损害。

二、核心电气参数解析

ESD0521C的参数围绕“防护精准性”与“系统适配性”设计,关键参数及意义如下:

  1. 反向截止电压(Vrwm):5V
    正常工作时,器件可承受的最大直流/峰值脉冲电压,超过该值则启动防护。此参数完美适配5V供电系统(如MCU、低功耗传感器、通信接口),避免系统电压波动导致误触发。
  2. 最小击穿电压(Vbr(min)):6V
    反向电压达6V时,器件进入软击穿状态(防护启动)。该值比Vrwm高1V,既保证防护动作的“及时性”,又避免正常电压波动的误响应。
  3. 钳位电压(Vc):12V
    浪涌/ESD冲击时,器件两端的最大电压值。12V远低于后端芯片的耐受极限(通常3.3V/5V芯片耐受电压≤15V),可有效降低电路过压应力。
  4. 双向防护特性
    正反向均具备防护能力,无需区分极性即可直接并联于电路,简化设计流程,适合双向信号线路(如I2C、USB数据线)。

三、封装与物理特性

ESD0521C采用0201超小封装(英制:0.024"×0.012";公制:0.6mm×0.3mm),具有三大物理优势:

  • 体积极小:仅为常规0402封装的1/4,可大幅节省PCB空间,适配高密度设计(如可穿戴设备、智能手机主板);
  • 重量极轻:单颗重量<0.1mg,满足对重量敏感的IoT终端、智能手表需求;
  • 工艺兼容:支持回流焊、波峰焊等常规SMT工艺,无需调整现有生产线参数。

四、关键特性与应用优势

  1. 低寄生电容,适配高速信号
    典型寄生电容<0.5pF,远低于同类TVS,可避免对USB 3.0、HDMI、MIPI等高速信号的传输损耗,保证信号完整性;
  2. 高防护等级,可靠性强
    符合IEC 61000-4-2 ESD标准(接触放电±8kV、空气放电±15kV)、IEC 61000-4-4 EFT标准(4kV/5kHz),可承受1000次以上浪涌冲击,寿命达10年;
  3. 宽温范围
    工作温度:-55℃~+150℃,适配工业级、车规级(部分场景)的宽温需求;
  4. 安装便捷
    双向防护无需极性区分,直接并联于被防护线路(电源/信号端)即可,无需额外外围电路。

五、典型应用场景

ESD0521C因小封装、低电容、适配5V系统等特点,广泛应用于:

  • 消费电子:智能手机、平板电脑的触控IC、音频接口、传感器(加速度计、陀螺仪)防护;
  • IoT终端:智能家居传感器(温湿度、人体感应)、WiFi/蓝牙模块、智能门锁的低电压电路防护;
  • 通信设备:小型路由器、5G小基站的USB接口、I2C/SPI总线防护;
  • 工业控制:PLC输入输出模块、低功耗传感器节点的过压防护。

综上,ESD0521C是5V系统静电/浪涌防护的高性价比选择,尤其适合空间受限、高速信号传输的场景。

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