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DOWO PESD0402V12
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO PESD0402V12
- Type
- DOWO
- Minimum package
- 10000 编带
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- PESD0402V12
- 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
- BM0230041553
- Voltage
- 35V
- Electronic Component
- IEC 61000-4-2
- Current(Ir)
- 10nA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
PESD0402V12 产品概述
一、概述
PESD0402V12 是 DOWO（东沃）推出的一款面向精密信号线的单通道双向静电放电保护器件。器件采用超小型 0402 封装，针对高速差分与单端信号提供低电容、低泄漏、高可靠性的瞬态保护，适用于移动终端、消费电子、通信模块和传感器接口等对信号完整性要求高的场景。
二、主要性能特点
- 钳位电压：典型 35V，能在静电冲击时将瞬态电压限制在可接受范围内，保护后端芯片免受过压损伤。
- 反向耐压（Vrwm）：12V，适用于工作电压不超过 12V 的信号或电源接口。
- 结电容（Cj）：仅 0.05pF，极低的寄生电容对高速数据线和射频信号几乎无影响，保持信号完整性。
- 反向电流（Ir）：10nA（典型），漏电流小，有利于低功耗设计和高阻抗输入线路。
- 极性：双向，适合双极性信号或可能出现正负冲击的接口。
- 通道数：单路，便于在需要逐线保护的应用中灵活布局。
- 符合 IEC 61000-4-2 静电放电抗扰度标准，具备工业级防护能力。
三、典型应用场景
- 手机、平板等移动终端的触摸、按键、数据接口；
- USB、UART、I2C、SPI、MIPI、LVDS 等高速信号线的ESD防护；
- 摄像头模块、传感器接口和射频前端防静电保护；
- 工业控制和物联网设备的外部信号或控制引脚防护。
四、封装与可靠性
0402 微型封装有利于节省 PCB 面积并兼容自动贴装工艺。器件经过标准回流焊工艺验证，并符合常见电气与环境可靠性检测要求，适合批量生产应用。建议在 PCB 布局时将器件尽量靠近被保护引脚并优化接地回路，以获得最佳防护效果。
五、设计与使用建议
- 布局：将 PESD0402V12 置于保护对象与外部连接之间、靠近连接器或引脚处，减少走线感抗。
- 地线处理：对于单端到地的保护方案，确保低阻抗接地回路；在多层板上优先使用固体地层。
- 搭配：对高速信号可配合差分阻抗匹配与共模抑制元件使用；对电源线可视情况加串联电阻或滤波器。
- 温度与焊接：按照厂商回流曲线进行焊接，避免超温影响器件性能。
六、采购与支持
型号：PESD0402V12，品牌：DOWO（东沃），封装：0402，类型：ESD。若需样品测试、电气特性曲线或应用参考电路图，可联系供应商或技术支持获取详细资料与源文件。
PESD0402V12 以超低电容与可靠的钳位能力，为对信号完整性要求高的产品提供经济且高效的静电保护方案，是微型化、高速化电子产品理想的防护器件选择。
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