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DOWO PESD0402V14
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO PESD0402V14
- Type
- DOWO
- Minimum package
- 10000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- PESD0402V14
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- Electronic Component
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.021g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 0.05pF
- Electronic Component
- BM0231033195
- Operating Temperature
- 55℃~+125℃
- Voltage
- 40V
- 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.
PESD0402V14 产品概述
一、产品简介
PESD0402V14 是 DOWO（东沃）推出的一款小型低容抗静电保护器件，采用 0402 封装，面向对信号完整性要求高且空间受限的电子系统。器件为双向结构，单路保护，工作温度范围宽（-55℃ 至 +125℃），专为保护敏感引脚免受静电放电（ESD）和瞬态过压侵害而设计。
二、主要电气参数
- 极性：双向（适用于差分或交流信号线）
- 反向截止电压 Vrwm：14 V
- 钳位电压（典型）：40 V
- 反向电流 Ir：10 nA（静态漏电非常低）
- 结电容 Cj：0.05 pF（超低电容，有利于高速信号传输）
- 通道数：单路
- 工作温度：-55℃ ~ +125℃
- 防护等级：满足 IEC 61000-4-2 静电放电抗扰度标准
三、核心特点
- 超低结电容（0.05 pF）：对高速串行总线、射频和高频信号的影响极小，能最大程度保持信号完整性和带宽。
- 双向保护：可同时保护正负方向的瞬态脉冲，适合差分对、信号线和通信接口。
- 小尺寸 0402 封装：占板面积小，适合移动设备、穿戴设备、摄像头模块等空间受限应用。
- 低泄漏电流（10 nA）：在待机或低功耗电路中造成的影响微乎其微。
- 宽温度范围与工业级可靠性：适用于恶劣环境与工业类产品。
四、典型应用
- 高速数据接口：USB、HDMI、MIPI、LVDS 等高速差分信号线
- 无线通讯射频前端的ESD缓冲（需注意具体频段与匹配）
- 消费类与便携设备的按键、接口与外露引脚保护
- 工业控制与仪表中对静电敏感的 I/O 端口
五、封装与装配建议
0402（微小贴片）封装利于高密度 PCB 设计；在贴装时建议采用常规回流焊工艺，按厂家推荐的焊盘尺寸和焊膏厚度设计模板，确保可靠焊接。由于器件非常小，贴装时需注意周边阻焊与丝印，以免影响定位和检修。
六、可靠性与标准
PESD0402V14 符合 IEC 61000-4-2 静电放电抗扰度要求，能在常见静电事件下为敏感电路提供有效防护。其工作温度范围与低漏电特性也保证了在工业与消费级应用中的长期可靠性。
七、选型与注意事项
在选型时应关注系统的最大工作电压（Vrwm = 14 V）与器件的钳位能力是否匹配交流或瞬变能量。如果保护对象为高能脉冲或需承受更高能量冲击，应考虑并联或选用更高能量规格的器件。对射频应用，需评估器件在工作频段的匹配影响。
总结：PESD0402V14 以其超低电容、双向保护与微小封装为高速信号与空间受限应用提供高效的静电防护解决方案，适合要求高信号完整性与可靠性的小型电子产品。
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