WMSIC Electronic Components

BORN 0402ESDA-LP(24)

Model0402ESDA-LP(24)
Package0402
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 0402ESDA-LP(24)
Type
BORN
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BORN
Electronic Component
0402ESDA-LP(24)
Electronic Component
1
Package
0402
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.009g
Electronic Component
1
Cj- Capacitor
0.15pF
Electronic Component
BM0258713079
Operating Temperature
40℃~+85℃
Voltage
30V
Electronic Component
IEC 61000-4-2
Current(Ir)
100pA

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

0402ESDA-LP(24) — 0402封装双向ESD保护器件 产品概述

一、产品简介

0402ESDA-LP(24) 是伯恩半导体(BORN)推出的一款超小体积、低电容的双向静电放电(ESD)保护二极管。器件采用0402表贴封装,无极性设计,专为对空间和信号完整性要求高的接口与线路提供瞬态过压保护而设计。其反向工作电压(Vrwm)为24V,典型钳位电压约30V,反向漏电流极小(100pA),工作温度范围覆盖 -40℃ 至 +85℃,满足 IEC 61000-4-2 静电放电抗扰度要求,适用于消费电子、工业通讯及对ESD敏感的高频信号线保护。

二、主要参数

  • 极性:双向(无极性)
  • 额定反向截止电压 Vrwm:24V
  • 典型钳位电压:30V
  • 反向漏电流 Ir:100pA(在 Vrwm 条件下为典型值)
  • 结电容 Cj:0.15pF(低电容,适合高速信号)
  • 工作温度:-40℃ ~ +85℃
  • 防护等级:符合 IEC 61000-4-2 静电放电抗扰度要求
  • 类型:ESD 保护器件
  • 封装:0402 SMD
  • 品牌:BORN(伯恩半导体)

三、关键特性与优势

  • 小封装:0402 极小占板面积,适合紧凑的移动终端、穿戴设备和物联网模组。
  • 低结电容(0.15pF):对高速信号的影响微弱,适合 USB、HDMI、LVDS、SATA 等高速差分或单端线路。
  • 双向保护:正负方向对称钳位,适用于差分对或没有固定参考地的信号线。
  • 极低漏电流(100pA):保证高阻输入或电池供电设备的静态功耗不受影响。
  • 宽工作温度与工业级可靠性:满足多数工业与消费类应用环境要求。
  • 符合IEC 61000-4-2:可用于提升产品对人体接触和设备放电的抗扰度。

四、典型应用

  • 智能手机、平板、可穿戴设备和移动终端的外部接口保护(耳机、充电口、按键等)
  • IoT 终端、无线模块和传感器节点的信号线防护
  • 电脑外设、高清多媒体接口(USB/HDMI)及差分高速数据线
  • 工业控制器和测试设备中对ESD敏感的测量/控制通道

五、典型电路与布板建议

  • 连接方式:器件并联于被保护端与参考端(线与线或线与地,视应用而定),由于为双向器件,安装方向无要求。
  • 布局建议:
    • 将 0402ESDA-LP(24) 尽可能靠近外部连接器或暴露引脚放置,焊盘到接口之间的走线长度越短越好(建议 <1–2mm)。
    • 为降低接地阻抗,保护器附近应尽量使用完整接地面,并在必要处加布地 vias,以形成低阻抗回流路径。
    • 避免在保护器与关键信号之间串联不必要的元件或大片铜箔,以保证钳位瞬态能量能迅速释放。
  • 焊接工艺:兼容常规 SMT 回流焊工艺,建议遵循制造流程的温度曲线与焊膏规范。

六、选型与使用注意事项

  • 工作电压匹配:Vrwm 为 24V,适用于最大持续工作电压不超过 24V 的线路;对更高直流/工作电压线路,应选择对应更高 Vrwm 的器件。
  • 钳位能力与冲击能量:0402 尺寸受限,虽能有效应对 ESD 脉冲(IEC61000-4-2),但对大能量连续浪涌(如近距离雷电、工业浪涌)需配合更高能量的保护组件(如浪涌抑制器或熔断器)。
  • 高频影响:低电容特性有利于高速信号,但在极高带宽场合仍需评估串扰与时延影响。
  • 环境与温度:器件额定工作温度为 -40℃~+85℃,高于此温度范围可能影响性能与寿命。

七、可靠性与合规性

0402ESDA-LP(24) 经过静电放电抗扰性测试,符合 IEC 61000-4-2 要求;低漏电、宽温范围及小封装设计使其在自带电源或高阻输入设备中可靠性更高。推荐在产品设计早期进行 ESD 保护策略评估,配合功能验证与系统级抗扰性测试,确保最终产品在真实应用场景下达到预期防护效果。

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