WMSIC Electronic Components

KUU PESD5V0S1BB

ModelPESD5V0S1BB
PackageSOD-523
BrandKUU
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
KUU PESD5V0S1BB
Type
KUU
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
PESD5V0S1BB
Electronic Component
1
Package
SOD-523
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.024g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
15pF
Electronic Component
BM0257646972
Voltage
15V
Electronic Component
IEC 61000-4-2;IEC 61000-4-4
Current(Ir)
1uA
Voltage(VBR)
9V

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

P ESD5V0S1BB 产品概述

一、产品简介

PESD5V0S1BB 是 KUU 品牌的一款单路 ESD 抑制二极管,采用 SOD‑523 超小封装,专为 5V 工作电压的信号和电源线提供瞬态过压保护。器件设计用于快速钳位瞬态高压(例如静电放电、浪涌脉冲和脉冲干扰),可在空间受限的移动设备、物联网终端和消费电子中实现有效防护。

二、主要参数

  • 反向截止电压 Vrwm:5 V(适配 5V 系统)
  • 击穿电压 Vbr:9 V
  • 钳位电压 Vc:15 V(峰值条件下)
  • 峰值脉冲电流 Ipp:5 A
  • 峰值脉冲功率 Ppp:75 W
  • 反向电流 Ir:1 μA(典型)
  • 结电容 Cj:15 pF
  • 通道数:单路
  • 防护等级:满足 IEC 61000‑4‑2(ESD)与 IEC 61000‑4‑4(EFT)测试标准
  • 封装:SOD‑523(超小体积)

三、性能解读与设计要点

  • Vrwm=5V 表明器件适用于 5V 电平体系的保护,正常工作时对信号影响小。
  • 钳位电压 15V 能在短时间内将突发高压钳制在安全范围,保护后端器件免遭高压冲击。
  • Ipp=5A 与 Ppp=75W 指示器件能承受较强的单次脉冲能量(需按具体脉冲波形和频次评估),但并非长期短路方案。
  • 1 μA 的反向漏电流有利于低功耗应用;15 pF 的结电容在高速差分信号中会带来一定影响,适用于 GPIO、I2C、UART、电源线和中低速数据线保护,对超高速接口需谨慎评估。

四、典型应用场景

  • 手机、平板与可穿戴设备的 GPIO、充电接口防护
  • 工业与消费类 IoT 终端的外部接口(按键、SIM 卡、传感器线)
  • USB2.0、串口、供电线等 5V 及以下电压等级的防静电、抗干扰设计
  • 空间受限电路板的局部防护方案

五、PCB 布局与使用建议

  • 将器件尽量靠近要保护的外部接口放置,输入端到器件的走线要最短且宽以减少感抗。
  • 器件接地端应尽可能通过短且低阻的回流路径连接到 PCB 地平面,若为多层板建议在附近布置多条地vias。
  • 在高频或严格信号完整性场合,可配合串联电阻、共模电感或滤波网路使用,以降低钳位时的共振和传导干扰。
  • 由于 SOD‑523 体积小,热耗散能力有限,避免在频繁高能脉冲或持续短路的环境中依赖单个器件承受大量能量;必要时并联或使用更高功率器件。

六、可靠性与合规

PESD5V0S1BB 通过 IEC 61000‑4‑2 与 IEC 61000‑4‑4 等抗扰度测试,适合常见静电和脉冲干扰防护需求。低漏电和稳定的钳位性能能够在保持系统低功耗的同时提供可靠防护。具体的寿命与可靠性仍建议根据应用的脉冲频率、幅值和环境温度进行电路级评估。

七、封装与焊接注意

  • SOD‑523 超小封装适合高密度布局,但对手工维修和识别不便。
  • 焊接时遵循制造商推荐的回流温度曲线,避免超温或过长热暴露。
  • 产线与调试时保持静电防护措施,器件对静电敏感,存储与搬运需使用抗静电包装。

八、结论与推荐

PESD5V0S1BB 是一款面向 5V 线路、体积极小且通过常规抗扰度测试的单路 ESD 保护元件。适用于需要在受限空间内实现可靠瞬态保护的消费电子与物联网设备。设计时应结合结电容对信号完整性的影响与器件的能量承受能力,必要时与滤波或限流元件并用,以获得最佳防护效果。

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