WMSIC Electronic Components

KUU KPESD5V2S2UT

ModelKPESD5V2S2UT
PackageSOT-23
BrandKUU
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
KUU KPESD5V2S2UT
Type
KUU
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
KPESD5V2S2UT
Electronic Component
1
Package
SOT-23
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.027g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
220pF
Electronic Component
BM0264356198
Operating Temperature
40℃~+125℃
Voltage
12.5V
Electronic Component
IEC 61000-4-2

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

KPESD5V2S2UT ESD防护器件产品概述

一、产品定位与核心用途

KPESD5V2S2UT是KUU品牌推出的单向双路ESD防护器件,专为5V供电系统的静电放电(ESD)防护设计,核心作用是在电路遭受ESD脉冲冲击时,快速钳位电压并泄放脉冲电流,避免后端敏感元件(如MCU、传感器、接口芯片等)被静电损坏。其双路通道设计可同时为两路独立信号提供防护,适配需要多路ESD防护的紧凑电路布局,尤其适合消费电子、工业控制、车载电子等领域的低电压模块。

二、关键性能参数解析

2.1 直流工作特性

  • 反向截止电压(Vrwm):5V:匹配5V系统正常工作电压,此时器件处于截止状态,不影响电路信号传输;
  • 反向漏电流(Ir):1uA:远低于影响电路正常运行的阈值(一般<10uA即可),确保待机/工作状态下无额外功率消耗;
  • 击穿电压:6V:略高于Vrwm,保证正常工作时器件不导通,仅在ESD脉冲触发时快速响应。

2.2 ESD防护能力

  • 峰值脉冲电流(Ipp):17A@8/20us:可承受IEC 61000-4-2标准下的强ESD冲击(接触放电±8kV、空气放电±15kV及以上);
  • 峰值脉冲功率(Ppp):300W:单次脉冲能量耐受能力强,避免器件因过载损坏;
  • 钳位电压:12.5V:ESD脉冲到达时,快速将电压钳位在12.5V以内,保护后端器件(一般半导体耐压<15V)。

2.3 环境与电气兼容性

  • 结电容(Cj):220pF:适合低速信号(UART、GPIO、简单传感器接口)防护,高速信号需搭配低电容器件;
  • 工作温度:-40℃~+125℃:覆盖工业级(-4085℃)和车载级(部分场景-40125℃)温区,极端环境下性能稳定。

三、封装与可靠性设计

采用SOT-23小型贴片封装,尺寸紧凑(1.6mm×1.0mm×0.8mm),适配高密度PCB设计,尤其适合手机、智能穿戴等对空间要求严格的产品;双路通道采用3引脚布局(公共端GND、通道1、通道2),可通过自动贴片机快速焊接,安装便捷。

此外,器件符合IEC 61000-4-2 ESD防护标准,经过温度循环、湿度老化等可靠性测试,长期使用中防护能力无衰减,满足量产稳定性要求。

四、典型应用场景

  1. 消费电子:手机、平板、智能穿戴的充电接口(Micro USB/Type-C)、音频接口防护,双路通道同时防护D+、D-或正负极;
  2. 工业控制:传感器节点(温度、压力传感器)信号输出端防护,适配工业现场宽温环境;
  3. 车载电子:车载信息娱乐系统(IVI)按键、USB接口防护,满足车载-40~85℃温区要求;
  4. 物联网节点:IoT设备的GPIO、I2C等低速接口防护,平衡防护与成本。

五、选型与使用注意事项

  1. 电压匹配:电路工作电压需≤5V(3.3V系统可兼容,漏电流仍极小);
  2. 电容适配:高速信号(HDMI、高速USB 2.0+)需选低电容器件(Cj<1pF),避免信号衰减;
  3. 焊接规范:回流焊温度≤260℃,焊接时间≤10秒,避免高温损伤;
  4. 引脚连接:公共端(GND)需可靠接地,信号端接需防护的线路,避免接反;
  5. 等级验证:若需接触放电±15kV以上,可通过实测确认防护能力(17A Ipp可覆盖)。

KPESD5V2S2UT以高性价比、宽温适配、双路防护等优势,成为5V系统ESD防护的主流选择,尤其适合对空间和成本敏感的量产场景。

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