WMSIC Electronic Components

KUU KESD05V32D-A

ModelKESD05V32D-A
PackageSOD-323
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
KUU KESD05V32D-A
Type
KUU
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
KESD05V32D-A
Electronic Component
1
Package
SOD-323
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.027g
Electronic Component
1
Cj- Capacitor
95pF
Electronic Component
BM0264873520
Voltage
13V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
7.3V
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.

KESD05V32D-A 产品概述

一、产品简介

KESD05V32D-A 是 KUU 品牌的一款单向静电放电(ESD)保护二极管,封装为 SOD-323,专为保护单条信号线免受静电放电及其他瞬态过压冲击而设计。器件在小体积封装下提供高峰值脉冲功率和低反向漏电,适合移动设备、消费电子和工业控制等对体积与可靠性有要求的场合。

二、主要性能特点

  • 反向截止电压(Vrwm):5 V,适用于 5 V 额定电压的信号或电源线保护。
  • 击穿电压(VBR):7.3 V,保证在超压时能可靠导通泄放能量。
  • 钳位电压:13 V(在 8/20 μs 波形下),在大电流冲击时对下游器件提供有效保护。
  • 峰值脉冲电流(Ipp):13 A @ 8/20 μs;峰值脉冲功率(Ppp):210 W @ 8/20 μs,可承受短时高能量脉冲。
  • 反向电流(Ir):1 μA,静态漏电小,减少对电路待机功耗的影响。
  • 结电容(Cj):95 pF,适合低速信号线或电源线保护(高频高速信号需评估电容影响)。
  • 符合 IEC 61000-4-2 抗静电放电要求。

三、主要技术参数(摘要)

  • 类型:单向 ESD 保护二极管
  • 封装:SOD-323(小型表贴)
  • Vrwm:5 V;VBR:7.3 V;钳位:13 V(8/20 μs)
  • Ipp:13 A(8/20 μs);Ppp:210 W(8/20 μs)
  • Ir:1 μA;Cj:95 pF
  • 防护等级:IEC 61000-4-2

四、典型应用场景

  • 移动终端与便携设备的 USB、按键、显示接口等 5 V 线保护。
  • 工业控制与自动化设备的控制信号与低速通信线路。
  • 消费电子、家电内的传感器与I/O接口保护。
    (注:对于高速差分信号如 USB2.0/USB3.0、HDMI 等,高结电容可能影响信号完整性,应优先选择低容抗的 ESD 器件。)

五、封装与布局建议

  • SOD-323 小巧,推荐贴近受保护的连接器或器件放置,典型放置距离 < 5 mm,以缩短寄生路径并提高防护效果。
  • 将地线(或保护参考)尽量做短而粗的回流路径,避免通过长走线将能量传递到板内其他敏感电路。
  • 在高能量环境下,可并联串联限流电阻或采用 TVS 与熔丝配合使用以提升整体可靠性。

六、使用注意事项

  • 结电容 95 pF 较高,会对高频信号造成衰减或串扰,设计时需评估对信号完整性的影响。
  • 器件为单向保护,应用于双向或交流信号时需采用双向型号或对称布置。
  • 焊接工艺应避免过热,遵循 SOD-323 封装的回流焊温度曲线规范。
  • 对于需要通过 IEC 61000-4-2 更高等级认证的系统,建议在系统级进行实际放电测试验证。

七、总结

KESD05V32D-A 提供在小封装下的高能量短脉冲防护,适合用于 5 V 等级的单条信号或电源线保护。其低漏电和高峰值功率特性使之在移动与消费类产品中具有良好适配性,但较高的结电容意味着在高速信号线应用时需慎重评估。合理放置与 PCB 布线、必要时配合限流或熔断保护,可发挥其最佳防护效果。

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