WMSIC Electronic Components

UMW PESD5V0S1BL

ModelPESD5V0S1BL
PackageSOD-882
BrandUMW
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
UMW PESD5V0S1BL
Type
UMW
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
PESD5V0S1BL
Electronic Component
1
Package
SOD-882
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.011g
Electronic Component
1
Cj- Capacitor
35pF
Electronic Component
BM0228055314
Voltage
14V
Electronic Component
IEC 61000-4-2
Current(Ir)
5nA
Voltage(VBR)
9.5V

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

PESD5V0S1BL 产品概述

一、产品简介

PESD5V0S1BL 是 UMW(友台半导体)推出的一款双向 ESD 抑制二极管,封装为 SOD-882,专为 5V 类信号与电源线的静电和浪涌保护设计。器件响应迅速、漏电流极低,适合用在接口和敏感电路的过压保护场合。

二、主要参数

  • 钳位电压(Vc):14V(典型,8/20μs 脉冲条件下)
  • 击穿电压(Vbr):9.5V
  • 反向击穿保持电压 Vrwm:5V(工作反向截止电压)
  • 峰值脉冲功率(Ppp):130W @ 8/20μs
  • 峰值脉冲电流(Ipp):12A @ 8/20μs
  • 反向电流(Ir):5nA(在 Vrwm 条件下)
  • 结电容(Cj):35pF
  • 极性:双向(Bidirectional)
  • 防护等级:符合 IEC 61000-4-2 静电放电标准
  • 封装:SOD-882(表面贴装)

三、保护性能与工作原理

PESD5V0S1BL 在正常工作时呈高阻、漏电极微(Ir≈5nA),当出现瞬态高压浪涌或静电放电时,器件进入导通状态,将能量钳位在约 14V 的安全电压范围内,通过自身吸收并向地或对称回路线释放能量。其 130W(8/20μs)峰值功率和 12A 峰值电流能力,能有效对抗常见脉冲干扰;双向结构适用于双向信号线或无需定向的接口防护。

四、典型应用场景

  • USB、HDMI、DP、音视频接口的外部接口保护
  • GPIO、串口、I2C、SPI 等低压信号线防护
  • 电源开关节点的瞬态浪涌吸收(5V 车载或工业接口需注意其他要求)
  • 通信设备、消费电子、工业控制与仪表的输入端防护

五、封装与 PCB 布局建议

SOD-882 小尺寸封装便于贴装于接口附近。建议做法:

  • 将器件靠近受保护的连接器或引脚放置,走线尽量短且粗;
  • 为提高放电路径完整性,靠近器件处使用连续接地平面并布置多颗地过孔;
  • 对高频信号线需注意 35pF 的结电容对信号完整性的影响,必要时在上游加入小串阻或选用低容型 ESD 器件;
  • 该器件以脉冲功率规格为准,若需吸收多次或更大能量的浪涌,建议并联或采用更高能量等级的保护方案。

六、选型与注意事项

  • 若保护对象为高速差分对或要求极低电容的线,35pF 可能影响带宽,应评估是否接受或改用低容版本;
  • 双向器件在保护电源线时不提供单向导通特性;对电源反向保护需求应另行考虑;
  • 额定 130W 为 8/20μs 脉冲条件下的瞬态能力,长期重复冲击会降低器件寿命,实际设计中应配合限制电阻或多级保护;
  • 验证时请按 IEC 61000-4-2 等相关标准做静电放电测试并关注系统层级的整体保护策略。

七、总结

PESD5V0S1BL 以其双向结构、低漏电、适中结电容和 130W 峰值脉冲能力,适合用于 5V 及信号接口的通用静电与浪涌保护。合理的 PCB 布局和系统级防护配合,可有效提升产品抗电磁干扰和抗静电放电的可靠性。若对带宽、重复冲击耐受或能量等级有更高要求,请在选型时进一步评估或联系厂商获取详细数据与应用建议。

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