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WILLSEMI ESD5425E-6/TR ESD5425E
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- WILLSEMI ESD5425E-6 / TR
- Type
- WILLSEMI
- Minimum package
- 3000
Technical parameters
- Electronic Component
- WILLSEMI
- Electronic Component
- ESD5425E-6/TR
- Electronic Component
- 1
- Package
- SOT-23-6L
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.05g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 3pF
- Electronic Component
- BM0258734277
- Voltage
- 11.8V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；IEC 61000-4-2
- Current(Ir)
- 20nA
- Voltage(VBR)
- 8.5V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ESD5425E-6/TR 产品概述
一 产品简介
ESD5425E-6/TR 是 WILLSEMI（韦尔）推出的一款四路单向 TVS 二极管保护器件，采用 SOT-23-6L 封装，专为高速接口与信号线提供瞬态过压保护。器件针对 5V 工作电压系统优化，集成四路保护单元，适合 USB、数传线、控制总线等多路 5V 信号线的防护需求。
二 主要规格
- 类型：单向 TVS，四路（四通道）
- 标称反向工作电压 Vrwm：5V
- 击穿电压 Vbr：约 8.5V
- 峰值钳位电压 Vc：11.8V（在 Ipp = 25A，8/20µs 浪涌条件下）
- 峰值脉冲电流 Ipp：25A（8/20µs）
- 反向漏电流 Ir：20nA（典型/最大值于 Vrwm 条件）
- 结电容 Cj：约 3pF（适合高速信号，低负载效应）
- 防护等级：满足 IEC 61000-4-2（ESD）、IEC 61000-4-4（EFT）、IEC 61000-4-5（浪涌）
- 封装：SOT-23-6L
- 型号：ESD5425E-6/TR（品牌：WILLSEMI / 韦尔）
三 电气特性解析
器件在 5V 反向工作电压下漏电极微，Ir 约 20nA，有利于低功耗系统与电池供电设备。3pF 的结电容对高速差分或单端信号影响小，可用于保持信号完整性。击穿电压约 8.5V，钳位电压 11.8V（Ipp=25A）能在强冲击时将瞬态电压钳位至安全范围，从而保护下游器件不被高压脉冲破坏。
四 典型应用场景
- USB（包括 USB2.0/其它 5V 接口）和 OTG 接口保护
- 串行总线与控制线（I2C、SPI、UART）防静电与浪涌保护（注意单向特性）
- 消费电子前端（智能手机配件、平板、摄像头模组）
- 工业控制与通信端口的 EMI/浪涌缓解
五 封装与 PCB 布局建议
SOT-23-6L 小型封装便于节省空间。建议将器件靠近受保护的外接器或接口布局，尽量缩短受保护线到器件 GND 的走线，并采用单点或短距离接地回路，必要时增加多孔接地以提高泄放能力。避免信号线在器件附近形成环路，确保焊盘与过孔的热量管理，以便在高能量脉冲下器件可靠工作。
六 选型与注意事项
- 单向 TVS 设计适用于有明确参考地且信号不会出现双向大幅度负电平的场景；若需双向保护请选用双向器件。
- 验证工作电压与被保护总线的最大偏置电压，确保 Vrwm=5V 满足系统要求。
- 高速差分信号应关注结电容（3pF）对带宽与时序的潜在影响。
- 对于较高能量或更严格的浪涌要求，可并联合适的阻抗元件或选择更高 Ipp 等级的器件。
七 总结
ESD5425E-6/TR 以其四路集成、低漏电、小结电容以及对 IEC 标准的良好兼容性，适合用于各类 5V 信号接口的瞬态过压保护。小封装与多路集成设计，有助于在有限 PCB 空间内实现高效、可靠的前端防护，是消费电子、通信与工业控制等领域常见的防护解决方案。
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