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UMW PESD5V0S2BT
Configuration
1 options
Configuration
Electronic Component
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- UMW PESD5V0S2BT
- Type
- UMW
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- UMW
- 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
- 0.033g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 120pF
- Electronic Component
- BM0265402634
- Voltage
- 16V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；IEC 61000-4-2
- Current(Ir)
- 500nA
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 UMW（友台半导体）推出的双路双向瞬态抑制器（ESD/TVS），封装为 SOT-23，专为 5V 及类似电压等级的接口防护设计。器件能够在静电放电和雷击类浪涌等瞬态过压事件中，对敏感电路提供快速钳位与能量吸收，保护下游器件免受损坏。
二、主要性能参数
- 极性：双向（适合差分与对称电压波形的防护）
- 通道数：双路（两路独立防护）
- 反向截止电压 Vrwm：5V（适配 5V 总线）
- 击穿电压 Vbr：7V
- 钳位电压：16V（在峰值脉冲条件下）
- 峰值脉冲电流 Ipp：20A（8/20μs）
- 峰值脉冲功率 Ppp：300W（8/20μs）
- 反向电流 Ir：≤500nA（常温下，低泄漏）
- 结电容 Cj：约 120pF（对高频特性有影响，需要评估）
- 符合标准：IEC 61000-4-2（ESD）、IEC 61000-4-4（EFT）、IEC 61000-4-5（浪涌）
- 封装：SOT-23
- 品牌：UMW（友台半导体）
三、典型应用场景
- USB、CAN、UART 等 5V 或接近 5V 的接口防护（适用于需要双路保护的信号线）
- 工业控制、仪表、通讯设备的接口输入端（增强抗干扰与抗浪涌能力）
- 人机界面（按键、触摸面板）与外围传感器的浪涌/ESD 防护
注：结电容约 120pF，适合中低速信号线；对高速差分信号（如 USB3.0、超高速以太网）需评估电容对信号完整性的影响，必要时考虑低电容替代品。
四、封装与 PCB 布局建议
- SOT-23 三引脚封装通常为两信号引脚与公用保护端（示意性连接，请按封装管脚定义接线）。
- 布局要点：将器件尽量靠近被保护的接口引脚放置，保护线与地的回流路径尽量短、直接；在可能的位置使用局部地平面并设置合适的去耦与滤波元件。
- 焊接与组装过程中遵循元器件的热工限制及 ESD 操作规范，避免在非接地、防护不足的环境下搬运。
五、注意事项与选型建议
- 评估 Cj（120pF）对系统带宽和信号上升时间的影响；若用于高频/高速接口，需检验眼图和误码率。
- 不要超过 Ipp（20A@8/20μs）和 Ppp（300W@8/20μs）规格；对更高能量的浪涌应增加外部限流或配合大功率防护级联使用。
- 双向特性使其适合差分线或可能出现正负极性瞬态的场合；若仅需单向保护，可考虑单向 TVS 器件以获得更低钳位。
- 在关键设计中，建议做实测验证（ESD、EFT、浪涌试验）并记录实际钳位与泄漏数据，以确保系统等级满足 EMC 要求。
概括而言，PESD5V0S2BT 为 5V 体系提供了一款可靠的双路双向 SOT-23 封装防护器件，兼顾抗 ESD 与浪涌能力，适合常见工业与消费类接口的防护设计。在选型时请结合系统带宽、能量等级与 PCB 布局进行综合评估。
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