WMSIC Electronic Components

TECH PUBLIC ESD5V0D3B

ModelESD5V0D3B
PackageSOD-323
BrandTECH PUBLIC
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

14 specifications

Core information

Product name
TECH PUBLIC ESD5V0D3B
Type
TECH PUBLIC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TECH PUBLIC
Electronic Component
ESD5V0D3B
Electronic Component
1
Package
SOD-323
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.026g
Electronic Component
1
Electronic Component
BM0266056982
Electronic Component
Electronic Component
Electronic Component
3000

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

ESD5V0D3B 静电浪涌保护器件产品概述

ESD5V0D3B是台舟电子(TECH PUBLIC)推出的双向TVS/ESD保护管,采用超小型SOD-323封装,专为5V供电系统的静电(ESD)和浪涌干扰防护设计。其核心优势在于低漏电流、宽温范围和符合国际标准的防护能力,广泛适用于消费电子、工业控制、汽车周边等领域,是紧凑电路设计中可靠的过压防护方案。

一、核心参数解析

ESD5V0D3B的关键参数经过优化,平衡了防护性能与电路兼容性:

  • 反向截止电压(Vrwm):5V:适配主流5V供电系统,正常工作时器件反向偏置不导通,不影响电路静态功耗;
  • 击穿电压:7V:当静电/浪涌电压超过7V时,器件迅速击穿导通,启动防护;
  • 钳位电压:9V:导通后将电压钳位在9V,有效限制后端电路的过压幅度(需后端电路耐压≥10V);
  • 反向漏电流(Ir):100nA:极低漏电流,确保信号完整性,尤其适合对漏电流敏感的模拟电路(如音频、传感器);
  • 结电容(Cj):35pF:中等偏下结电容,兼容低速数字信号(UART、I2C、USB1.1)和模拟信号,不会明显衰减信号质量;
  • 工作温度:-55℃~+125℃:工业级宽温范围,可在极端环境(如户外设备、汽车发动机舱)稳定工作;
  • 防护等级:IEC 61000-4-2/4-4:通过静电放电(接触±8kV、空气±15kV)和电快速瞬变脉冲群(EFT)测试,抵御常见干扰。

二、关键特性优势

相比同类器件,ESD5V0D3B的核心优势体现在:

  1. 双向防护能力:无需区分正负方向,可同时应对正/负静电和浪涌,简化电路设计(无需额外二极管反向并联);
  2. 低功耗兼容性:100nA漏电流几乎不消耗系统电源,适合电池供电的便携设备(如手机、蓝牙耳机);
  3. 宽温可靠性:-55℃~+125℃范围覆盖工业级和汽车级应用场景,避免极端温度下防护失效;
  4. 小封装适配:SOD-323封装尺寸仅1.6mm×0.8mm,节省PCB空间,适合高密度设计(如智能手机主板、小型医疗仪器);
  5. 国际标准认证:符合IEC 61000-4系列标准,满足电子设备的电磁兼容(EMC)要求,降低产品认证难度。

三、典型应用场景

ESD5V0D3B的参数特性使其适配多类场景:

  • 消费电子:手机/平板的充电接口(Type-C、Micro-USB)、耳机孔、蓝牙模块天线;
  • 工业控制:PLC数字输入输出端口、传感器信号端(温度、压力传感器)、工业相机接口;
  • 汽车周边:车载蓝牙/导航接口、仪表盘控制按钮、车门传感器;
  • 通信设备:路由器/交换机的以太网端口、无线AP的天线接口;
  • 医疗仪器:小型监护仪的按键接口、血糖仪的数据传输端口(低漏电流不影响医疗信号)。

四、封装与可靠性设计

  • 封装特点:SOD-323为表面贴装封装,采用无铅工艺,兼容回流焊工艺,适合自动化生产;
  • 可靠性验证:台舟电子对该器件进行了高温存储(125℃/1000h)、温度循环(-55℃~125℃/1000次)等测试,确保长期稳定;
  • 环境适应性:可在潮湿、振动等恶劣环境下工作,满足工业级应用的可靠性要求。

五、选型与使用注意事项

  • 选型参考:当需要防护5V系统、双向ESD/浪涌、低漏电流(<1μA)、宽温范围时,优先选择本型号;若需更低结电容(如<10pF)适配高速信号(USB3.0),可考虑台舟电子其他低容型号;
  • 使用注意:后端电路耐压需≥10V(高于钳位电压9V);防护时需并联在被保护端口与地之间,确保电流泄放路径顺畅。

总结:ESD5V0D3B是一款性价比高、可靠性强的双向TVS/ESD保护管,兼顾防护性能与电路兼容性,适合多种5V供电系统的过压防护需求,是电子设计中值得信赖的选择。

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