WMSIC Electronic Components

UMW ESDA5V3L

ModelESDA5V3L
PackageSOT-23
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
UMW ESDA5V3L
Type
UMW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
ESDA5V3L
Electronic Component
1
Package
SOT-23
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.036g
Electronic Component
1
Cj- Capacitor
200pF
Electronic Component
BM0257559899
Voltage
16V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
100nA
Voltage(VBR)
6.5V
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.

ESDA5V3L 产品概述

一、概述

ESDA5V3L 是友台半导体(UMW)推出的一款通用型ESD/浪涌保护器件,采用SOT-23小封装,针对低压信号线与接口提供快速放电保护。器件遵循多项IEC抗扰度标准,适用于消费类、通讯与工业控制等对电磁兼容性(EMC)有要求的场合。

二、主要参数

  • 反向截止电压(Vrwm):3 V
  • 钳位电压(Vclamp):16 V(Ipp测试条件 8/20µs)
  • 峰值脉冲电流(Ipp):24 A @ 8/20µs
  • 击穿电压(Vbr):6.5 V
  • 反向电流(Ir):100 nA
  • 结电容(Cj):200 pF
  • 防护等级:符合 IEC 61000-4-2、IEC 61000-4-4、IEC 61000-4-5
  • 封装:SOT-23
  • 类型:ESD 保护器

三、关键特性

  • 高能量吸收能力:在8/20µs波形下可承受24 A的峰值脉冲电流,能有效钳制大多数瞬态过电压。
  • 低钳位电压:典型钳位约16 V,能够在浪涌发生时限制电压幅度,保护下游电路。
  • 低漏电流:100 nA 的反向电流保证在静态工作时对系统功耗影响极小,适合低功耗应用。
  • 可控结电容:200 pF 的结电容在兼顾保护性能的同时,可用于多数慢速或中速信号线,但对超高速差分接口需评估对信号完整性的影响。
  • 多标准兼容:通过IEC 61000 系列规范认证,适配ESD、EFT 及浪涌防护需求。

四、典型应用

  • I/O 接口保护(UART、GPIO、控制信号线等)
  • 低压供电/信号线路防护(3V 工作环境)
  • 消费电子(智能终端、穿戴设备)与工业控制模块的接口保护
  • 需要通过IEC抗扰度测试的整机解决方案

五、封装与布局建议

SOT-23 小体积便于在空间受限的板级设计中使用。建议将ESDA5V3L靠近受保护的连接器或器件引脚布置,并在器件接地端做短而粗的接地回流路径(靠近地平面或使用多目地via),以保证放电时的低阻抗回路,提升保护效果。

六、使用注意事项

  • 由于结电容约200 pF,器件可能对高频或差分高速信号产生影响,使用前应评估对信号完整性的影响或选用低容型保护元件。
  • Vrwm=3V 表明适合最高约3V 直流工作电压的信号线,若系统电压更高,应选择更高 Vrwm 的器件以防止误触发。
  • 在设计中应结合系统的最小保护要求及浪涌能量等级,适当选配吸收元件或并联保护策略以满足更高能量冲击场景。

如需器件完整电气特性曲线或典型应用电路图,可联系供应商获取详细数据手册与评估板资料。

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