WMSIC Electronic Components

DOWO PRTR5V0U4D

ModelPRTR5V0U4D
PackageSOT-23-6L
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 PRTR5V0U4D
Type
DOWO
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
DOWO
Electronic Component
PRTR5V0U4D
Electronic Component
1
Package
SOT-23-6L
Electronic Component
Electronic Component
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.036g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.3pF
Electronic Component
BM0231110382
Voltage
15V
Current(Ir)
1uA
Voltage(VBR)
6V
Electronic Component
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

PRTR5V0U4D 产品概述

一、产品简介

PRTR5V0U4D 是 DOWO(东沃)推出的一款四通道单向瞬态电压抑制器(TVS),封装为 SOT-23-6L。器件针对 5V 工作环境设计,反向截止电压(Vrwm)为 5V,可在瞬态过压时将钳位电压限制到 15V(典型),对瞬态脉冲具有良好的吸收能力(峰值脉冲功率 Ppp = 60W,8/20μs)。低结电容(Cj ≈ 0.3pF)使其非常适合用于高速信号线的瞬态保护,同时单通道反向电流仅 1μA,静态功耗低。

二、主要特点

  • 四通道保护,SOT-23-6L 封装,节省 PCB 面积。
  • 单向极性,适用于向地钳位的正向瞬态抑制。
  • 反向截止电压 Vrwm = 5V,专为 5V 或以下的接口设计。
  • 钳位电压 Vc ≈ 15V(典型),有效限制瞬态电压对下游器件的冲击。
  • 峰值脉冲功率 60W @ 8/20μs,适合常见的瞬态浪涌与静电放电情形。
  • 极低结电容 Cj = 0.3pF,适配高速数据线,减少信号失真。
  • 低漏电流 Ir = 1μA,适合对静态电流敏感的系统。

三、典型应用场景

  • USB、I2C、UART 等 5V 水平或差分高速信号线的瞬态保护;
  • 工业控制接口、传感器信号线的过压保护;
  • 通信设备、消费电子、汽车车载非关键子系统的瞬态防护(视车规要求再评估);
  • 四路保护需求的接口(如两对差分信号或三条信号线 + 一条电源线)的集成防护方案。

四、典型电气参数(关键项)

  • 反向截止电压 Vrwm:5V
  • 击穿电压(Vbr):6V
  • 钳位电压 Vc:15V(典型)
  • 峰值脉冲功率 Ppp:60W @ 8/20μs
  • 结电容 Cj:0.3pF
  • 反向电流 Ir:1μA
  • 通道数:4;极性:单向;封装:SOT-23-6L

五、封装与布局建议

  • 使用 SOT-23-6L 可实现四通道集中保护,建议将器件靠近需保护的接口布置,保护点到器件的走线应尽量短且直。
  • 地线(GND)应有低阻抗回流路径,必要时在器件下方或附近增加地平面和过孔,减少电感引起的钳位性能下降。
  • 对高速差分对,保持对称走线并注意阻抗控制,器件的低 Cj 有利于降低信号损耗,但仍需评估总体链路衰减。

六、选型与使用建议

  • 若系统工作电压恒定为 5V 或以下,PRTR5V0U4D 为合适选择;若存在常态高于 5V 的电压,应选择 Vrwm 更高的器件或增加前端限流措施。
  • 对频繁或高能量浪涌场合,考虑并联更大能量吸收器件或采取多级保护策略;Ppp 60W 为单次 8/20μs 的峰值能力,应进行热与寿命评估。
  • 在高速接口应用中,结合 PCB 仿真验证对信号完整性的影响,必要时在布局上优化走线与终端匹配。

七、注意事项

  • 单向 TVS 对反向极性不耐受,接线时请确认方向;
  • 不宜作持续限压使用,长时间承载高能量会导致器件损坏;
  • 如用于汽车或高可靠性场景,请确认器件是否满足相关环境和认证要求。

如需器件的完整数据手册(详细绝缘耐压、温度特性、封装尺寸与引脚图),或希望获得针对具体接口的 PCB 布局参考图,请告知应用场景与电路参数,我可以进一步提供更具体的设计建议。

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