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DOWO PESD5V0U1UA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO PESD5V0U1UA
- Type
- SOD-323
- Minimum package
- 3000 编带
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- PESD5V0U1UA
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Electronic Component
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.026g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 0.8pF
- Electronic Component
- BM0231093698
- Operating Temperature
- 40℃~+125℃
- Voltage
- 21V
- Electronic Component
- IEC 61000-4-4；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.
PESD5V0U1UA 产品概述
一、产品简介
PESD5V0U1UA 是 DOWO（东沃）推出的一款单路单向 ESD 保护二极管，封装为 SOD-323。器件针对高速数据线和接口设计，具备低结电容、低漏电、宽工作温度和对常见电磁兼容（EMC）脉冲标准的防护能力，适合移动设备、消费电子、通信接口等场景对静电和脉冲干扰的抑制需求。
二、主要参数
- 极性：单向
- 反向截止电压 Vrwm：5 V
- 击穿电压：6.5 V
- 钳位电压：21 V（典型测试条件下测得）
- 峰值脉冲电流 Ipp：12 A
- 峰值脉冲功率 Ppp：350 W
- 反向电流 Ir：1 μA
- 结电容 Cj：0.8 pF
- 通道数：单路
- 工作温度范围：-40 ℃ ～ +125 ℃
- 防护等级：符合 IEC 61000-4-2（ESD）与 IEC 61000-4-4（EFT）
- 封装：SOD-323
三、关键特性
- 低结电容（0.8 pF）：对高速信号线影响小，适用于 USB、LVDS、MIPI 等高速接口。
- 高脉冲吸收能力：Ipp 12 A、Ppp 350 W，可在短时脉冲下快速吸能，抑制高能量静电放电。
- 单向工作：对正向过压迅速导通，将瞬态电流引入地线，适用于以地为参考的信号保护。
- 低反向漏电（1 μA）：有利于低功耗系统和模拟/传感器前端的使用。
- 宽温度范围：适合工业级和消费级环境工作。
四、典型应用
- 手机、平板等移动终端的外部接口（耳机、数据口）
- USB、HDMI、DisplayPort、MIPI 等高速数据接口
- 通信设备、路由器、基站前端的信号保护
- 传感器与微控制器引脚的静电保护
五、应用注意事项
- PESD5V0U1UA 是瞬态保护器件，不替代电源与浪涌保护元件（如 TVS 阵列、气体放电管）用于长期或大能量浪涌。
- 在高能量或重复脉冲环境下，建议与限流电阻、滤波电感配合使用以分担能量。
- 单向器件适用于信号参考地明确的场合；对需要双极性保护的线路应选用双向型号。
- 注意钳位电压与被保护器件耐压匹配，21 V 钳位电压需保证被保护器件能承受短时峰值。
六、封装与焊接建议
- SOD-323 小体积适合空间受限设计。为保证最佳保护效果，应将器件尽量靠近被保护的连接端或连接器放置，缩短走线以减少寄生电感。
- 地线应采用低阻抗大的铜箔或多点通孔接地，以便快速分流脉冲能量并改善热散逸。
- 采用常规回流焊工艺焊接，注意遵循厂家推荐的温度曲线以保证可靠性。
七、总结
PESD5V0U1UA 以其低电容、高吸收能量、低漏电和小封装，适合对高速接口与敏感信号线进行高效的静电和脉冲保护。合理的 PCB 布局和配套限流措施能够发挥其最佳防护性能，满足消费电子与通信设备的 EMC 设计需求。
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