WMSIC Electronic Components

BORN PESD5V0L1UA-N

ModelPESD5V0L1UA-N
PackageSOD-323
BrandBORN
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
BORN PESD5V0L1UA-N
Type
BORN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BORN
Electronic Component
PESD5V0L1UA-N
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.02g
Electronic Component
1
Cj- Capacitor
135pF
Electronic Component
BM0263578196
Voltage
19V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
6V

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

PESD5V0L1UA-N 产品概述

一、概述

PESD5V0L1UA-N 为伯恩半导体(BORN)推出的一款单向 ESD 抑制二极管,采用固态硅雪崩技术,旨在为 5V 电源线和 USB Vbus 提供高效瞬态过压保护。器件封装为 SOD-323,适合空间受限的便携式设备和主板前端保护使用。

二、主要参数

  • 极性:单向
  • 反向截止电压 (Vrwm):5V(适配 USB Vbus 标称电压)
  • 击穿电压 (VBR):6V(典型)
  • 钳位电压:19V(在 8/20μs 波形下)
  • 峰值脉冲电流 (Ipp):17A(8/20μs)
  • 峰值脉冲功率 (Ppp):350W(8/20μs)
  • 反向电流 (Ir):1μA(在 Vrwm 条件下低泄漏)
  • 结电容 (Cj):135pF(影响高速信号完整性)
  • 防护等级:符合 IEC 61000-4-2、IEC 61000-4-4、IEC 61000-4-5

三、产品特性与优势

  • 高能量吸收能力:350W(8/20μs)峰值脉冲功率及 17A 峰值脉冲电流,能有效钳制典型雷击和浪涌事件。
  • 低钳位电压:在高冲击电流下仍能将电压钳制至 19V,减少对后端电路的应力。
  • 低漏电:1μA 的低反向电流适合对静态功耗敏感的系统。
  • 单向配置:适用于电源线正向保护,避免负向导通带来的副作用。
  • 抗干扰认证:通过 IEC 61000 系列标准,支持空气/接触放电 ±30kV 的 ESD 防护需求。

四、典型应用场景

  • USB Vbus 保护:直接并联于 Vbus 与地之间,防止插拔产生的高压峰值损伤主控或 PMIC。
  • 电源线与电源管理:移动设备、充电器、车载电子和工业设备的电源前端保护。
  • 边缘接口保护:适用于需要高能量吸收且对数据速率要求不高的接口。

五、选型与布局建议

  • 由于结电容约 135pF,建议仅用于电源或低速信号线,避免在高速数据线(USB 2.0/3.0 高速差分对)上使用,以免影响信号完整性。
  • 布局上应将器件尽量靠近受保护端口放置,走线尽可能短且粗,返回地线应低阻抗直连至系统地。
  • 考虑热量和多次冲击场景,若预期频繁大能量冲击,应评估是否使用并联或更高功率等级的保护方案。

六、封装与可靠性

  • 封装:SOD-323,适合贴片自动化装配,节省 PCB 面积。
  • 标称通过 IEC 61000-4-2(空气/接触 ±30kV)及 IEC 61000-4-4/4-5 的抗扰度测试,适配大多数消费及工业环境的静电和浪涌防护需求。

结论:PESD5V0L1UA-N 在 5V 电源保护领域提供了平衡的能量吸收能力、低漏电和紧凑封装,是 USB Vbus 及电源线前端防护的可靠选择。但在高速信号线路中需谨慎使用,建议结合系统电磁兼容与信号完整性要求进行评估。

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