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TECH PUBLIC PESD5V0U2BT
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TECH PUBLIC PESD5V0U2BT
- Type
- TECH PUBLIC
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TECH PUBLIC
- Electronic Component
- PESD5V0U2BT
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- Electronic Component
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.03g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 2.5pF
- Electronic Component
- BM0228740071
- Electronic Component
- IEC 61000-4-5
- Current(Ir)
- 60nA
- Voltage(VBR)
- 9V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
PESD5V0U2BT 产品概述
一、产品简介
PESD5V0U2BT 是 TECH PUBLIC（台舟电子）推出的一款双路双向静电与浪涌保护器件，采用 SOT-23 小封装，针对 5V 等低压电源与高速数据线提供行之有效的瞬态过压保护。器件符合 IEC 61000-4-5 浪涌防护等级，适用于移动终端、消费电子、接口电路等需要低容抗干扰保护的场合。
二、主要参数
- 类型：ESD / TVS（静电与浪涌保护）
- 反向截止电压 Vrwm：5V（典型应用于 5V 总线）
- 击穿电压 Vbr：9V（器件进入雪崩导通区）
- 极性：双向（对称钳位，支持正负瞬态）
- 通道数：双路（两路独立保护）
- 结电容 Cj：2.5 pF（低电容，适合高速信号）
- 反向电流 Ir：60 nA（在 Vrwm 下的低漏电流）
- 防护等级：符合 IEC 61000-4-5 浪涌要求
- 封装：SOT-23（小体积，便于表面贴装）
三、产品特点
- 低电容（2.5 pF）：对高速数据线（如 USB、串行总线等）影响小，信号完整性损失低。
- 双路双向保护：可同时保护差分信号对或两路独立信号线，支持正负方向瞬态抑制。
- 低漏电流（60 nA）：适合电池供电与低功耗系统，减少静态功耗影响。
- 适用于 5V 总线：5V 反向截止电压与 9V 击穿电压组合，可在常见 USB/TTL/信号接口上工作。
- 小体积封装：SOT-23 占板面积小，便于在空间受限的产品中部署。
- 符合 IEC 61000-4-5：具备对浪涌脉冲的抑制能力，提升系统的电磁兼容性（EMC）。
四、典型应用
- USB、OTG、充电口与数据口的浪涌与静电保护
- 手机、平板、便携设备的外部接口保护
- 串口、I2C、SPI、UART 等通信线路的防护（注意匹配信号电平）
- 工业控制设备、传感器接口的浪涌耐受设计
五、设计与布局建议
- 器件应尽量靠近被保护的接口或连接器放置，以缩短走线并降低寄生电感。
- 保护引脚到接地（或公共参考点）的回流路径应尽量短且宽，最好直连地平面或参考地环。
- 对于高速差分对，确保 TVS 的结电容对差分阻抗的影响在可接受范围内，并避免在差分对上并联过多额外电容。
- 在潮湿或高静电环境下，应配合适当的防护结构（接地罩、屏蔽）和滤波元件以增强整体鲁棒性。
- 焊接与回流工艺遵循元器件厂商的温度曲线与 ESD 操作规程，避免在装配过程中损伤器件。
六、封装与采购
PESD5V0U2BT 标准 SOT-23 封装，适合自动贴装与回流焊接。采购时请确认供应商（TECH PUBLIC / 台舟电子）提供的器件批次、器件标识和相关测试报告（如 IEC 61000-4-5 测试结果）以满足项目的可靠性要求。若需替代或在特定应用下验证钳位电压、冲击能量承受能力，请与供应商索取详尽的电气特性曲线与典型浪涌钳位数据。
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