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HXY MOSFET PESD5V0S2BT
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- HXY MOSFET PESD5V0S2BT
- Type
- HXY MOSFET
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- HXY MOSFET
- Electronic Component
- PESD5V0S2BT
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- Electronic Component
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.034g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 20pF
- Electronic Component
- BM0257710911
- Operating Temperature
- 55℃~+125℃
- Voltage
- 9V
- 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.
PESD5V0S2BT 产品概述
一、产品简介
PESD5V0S2BT 是一款双路、双向的瞬态电压抑制器（ESD 二极管），专为保护 5V 等电压等级的高速信号线和接口免受静电放电（ESD）及瞬态脉冲干扰设计。器件封装为 SOT-23，工作温度范围宽（-55℃～+125℃），适用于便携设备、消费电子、通信和工业控制等领域。
二、主要性能特点
- 极性：双向，支持正负极向瞬态抑制；
- 反向截止电压 Vrwm：5V（适配 5V 工作电压系统）；
- 钳位电压 Vclamp：9V，有效限制瞬态电压峰值；
- 峰值脉冲电流 Ipp：11A（瞬态脉冲能力强）；
- 峰值脉冲功率 Ppp：100W（器件短时吸收能量能力）；
- 击穿电压：6V；反向漏电流 Ir：1µA（低漏电，有利于功耗控制）；
- 结电容 Cj：20pF，适合高速数据线应用；
- 通道数：双路，适用于双线或差分信号保护；
- 防护等级：满足 IEC 61000-4-2（静电放电）与 IEC 61000-4-4（快速瞬变脉冲）规范要求。
三、电气参数要点
器件在 5V 工作点附近保持低泄漏（Ir≈1µA），在发生 ESD 或突发脉冲时能将峰值电流 11A 限制在约 9V 的钳位电压内，短时承受最高 100W 脉冲功率。结电容 20pF 对高速接口影响小，适合 USB、UART、SDA/SCL、LVDS/差分信号等场景。
四、典型应用场景
- 手机、平板和便携设备的外部接口保护（USB、耳机、充电接口）；
- 通信设备的 RJ45、以太网 PHY 前端；
- 工业控制与仪表中对 I/O 口的浪涌与静电防护；
- 消费类电子的按键、触摸屏、外设连接线保护。
五、封装与引脚说明
SOT-23 小封装，便于表面贴装和空间受限设计。双路结构通常为两个保护单元共用参考端（地或对称中点），具体引脚定义请参照器件详细数据手册以便正确布局与焊接。
六、设计与布局建议
- 将器件尽量靠近被保护端口放置，缩短关键信号到器件的走线；
- 保护器件的参考端（地）应有低阻抗回流路径，优先使用连续地平面；
- 对于高速差分线，注意匹配阻抗并尽量避免在保护器前后插入大电容；
- 可与串联电阻或共模滤波配合提高抗干扰能力与抑制反射。
七、可靠性与合规性
器件工作温度 -55℃～+125℃，适应工业级环境。通过 IEC 61000-4-2 与 IEC 61000-4-4 等抗扰度要求，可在受干扰环境下为系统提供第一道保护。实际系统设计中，建议参考完整的标准测试条件与器件数据手册进行验证。
结语：PESD5V0S2BT 以其双向保护、低漏电、高脉冲承受力和低结电容的综合特性，为 5V 级高速信号线提供高效可靠的瞬态保护。选型和布局时请结合目标系统的工作电压、信号速率和抗扰需求进行评估。
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