WMSIC Electronic Components

DOWO PESD5V0U2BT

ModelPESD5V0U2BT
PackageSOT-23
BrandDOWO
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
DOWO PESD5V0U2BT
Type
DOWO
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
DOWO
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
0.034g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
3.5pF
Electronic Component
BM0230826985
Voltage
11V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
100nA

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 是东沃(DOWO)推出的一款双路、双向的瞬态电压抑制(ESD)器件,封装为 SOT-23,专为数据线和信号接口提供静电放电与浪涌保护。器件设计用于在低工作电压系统中快速钳位瞬态脉冲,保护后端敏感电路免受高能瞬态干扰。

二、主要电气参数

  • 钳位电压(Vc):11 V(典型钳位水平,针对 8/20 μs 波形)
  • 击穿电压(Vbr):7.2 V
  • 反向工作电压(Vrwm):5 V(适合 5 V 或以下信号线)
  • 峰值脉冲功率(Ppp):40 W @ 8/20 μs
  • 峰值脉冲电流(Ipp):3.5 A @ 8/20 μs
  • 结电容(Cj):约 3.5 pF(低电容适合高速信号)
  • 反向电流(Ir):≤100 nA
  • 通道数:双路,双向极性
  • 类型:ESD/浪涌保护器件
  • 防护等级:符合 IEC 61000-4-2、IEC 61000-4-4、IEC 61000-4-5 等抗扰度测试要求(静电放电、脉冲群抗扰及浪涌脉冲)

三、器件特点与优势

  • 双向保护,支持正负极瞬态,适用于差分信号或需双向钳位的接口。
  • SOT-23 小封装,便于表贴安装,节省 PCB 面积。
  • 低结电容(3.5 pF),对高速数据线影响小,适合 USB、串行总线、视频接口等。
  • 较高的峰值脉冲功率能力(40 W)和峰值脉冲电流(3.5 A),能吸收短时高能瞬态。
  • 低漏电流(≤100 nA),在待机和低功耗设计中对系统影响小。

四、典型应用场景

  • USB/串行接口保护(尤其 5 V 系统)
  • 智能手机、平板与便携设备的数据线防护
  • 工业控制信号线与现场总线的浪涌防护
  • 网络通信端口、音视频接口及传感器信号输入保护
  • 汽车电子非关键线束的瞬态抑制(需按车规环境进一步验证)

五、应用建议与布局要点

  • 将器件尽量靠近连接外部环境的接口处放置,缩短寄生电感和走线长度,以提高能量吸收效率。
  • 对高速差分信号,注意两路的匹配布局,保持阻抗连续并尽量对称布线。
  • 若用于多通道密集接口,可结合滤波或共模抑制器件共同设计避免误触发。
  • 在高能脉冲环境下,考虑在电源线上增加合适熔断或限流保护器件,防止器件承受重复大能量冲击。

六、可靠性与合规

PESD5V0U2BT 通过 IEC 61000-4-2/4/5 等抗扰度测试,适用于要求静电、脉冲群及浪涌保护的应用场景。实际产品使用时,应依据系统的脉冲能量、触发频率与工作环境进行可靠性评估,必要时做长期循环和高低温测试。

七、封装与选型提示

  • 封装:SOT-23,便于贴片生产与回流焊工艺兼容。
  • 选型时关注 Vrwm(5 V)是否满足系统工作电压;若系统带电压高于 5 V,应选择更高 Vrwm 的型号。
  • 对高速接口特别关注结电容参数(3.5 pF)对信号完整性的影响,必要时在样机上测量抖动与插损变化。

如需进一步的电气曲线、封装尺寸或样片支持,可联系东沃(DOWO)获取完整数据手册与应用资料。

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