WMSIC Electronic Components

ElecSuper 0402ESDA-05N-ES 0402ESDA

Model0402ESDA-05N-ES
PackageDFN1006-2L
BrandElec Super
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
Elec Super 0402ESDA-05N-ES
Type
ELECSUPER
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ELECSUPER
Electronic Component
0402ESDA-05N-ES
Electronic Component
1
Package
DFN1006-2L
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.012g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
10pF
Electronic Component
BM0264826858
Operating Temperature
40℃~+125℃
Voltage
10V
Electronic Component
IEC 61000-4-2

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

0402ESDA-05N-ES 产品概述

一、产品简介

0402ESDA-05N-ES 是 ElecSuper(静芯微)推出的一款用于电路板级静电放电(ESD)保护的单路双向瞬态抑制器。器件采用小尺寸封装(DFN1006-2L),专为保护对电压敏感的接口和模拟线路设计,能够在突然出现的静电冲击下快速钳位,防止后端芯片因过压或闩锁而失效。其小体积和双向特性使其非常适合手机、便携式音频播放器、耳机或其他音频输入/输出线路等需要微弱信号保护的便携设备。

二、主要电气参数

  • 极性:双向
  • 反向截止电压 Vrwm:5 V(适用于标准 5 V 信号线保护)
  • 击穿电压 VBR(测量条件下):5.6 V
  • 钳位电压(典型):10 V(在峰值脉冲条件下提供有效钳位)
  • 峰值脉冲电流 Ipp:9 A
  • 峰值脉冲功率 Ppp:72 W
  • 反向电流 Ir:≤ 1 µA(低漏电,适合低功耗系统)
  • 结电容 Cj:10 pF(对高速或音频信号干扰小)
  • 通道数:单路
  • 工作温度范围:-40 ℃ ~ +125 ℃
  • 防护等级:满足 IEC 61000-4-2 静电放电标准
  • 类型:ESD 抑制器

三、性能亮点

  • 快速响应与优秀钳位能力:在突发静电冲击时,器件能迅速进入导通状态,将过压钳制到约 10 V 的水平,减少后端器件承受的电压峰值。
  • 低泄漏电流:≤1 µA 的低静态漏电,有利于延长电池寿命并保证模拟信号不受 DC 偏置影响。
  • 低结电容:10 pF 的低 Cj 值在保护高速数据信号或音频线路时,能显著降低对信号完整性的影响,避免频率响应和失真问题。
  • 双向保护:对交替极性的静电事件均能提供对称保护,特别适用于没有固定偏置的接口(如音频耳机、话筒线)。
  • 小巧封装:DFN1006-2L 提供紧凑的 PCB 布局便利性,在空间受限的移动设备中易于集成。

四、典型应用场景

  • 智能手机与平板的音频输入/输出线路(耳机接口、麦克风)
  • 便携式音频播放器(MP3/MP4)、便携式录音设备的模拟通道保护
  • 人机界面(USB、按键、触摸板外围)需要防止静电触发或损伤的敏感线路
  • 低压传感器接口、GPIO 引脚的板级 ESD 防护
  • 其他要求小封装、低电容和双向保护的消费电子设备

五、PCB 设计与使用建议

  • 就近放置:将器件放置在需要保护的引脚与外界接线点(如连接器、插孔)之间,越靠近可能受到静电冲击的位置越好,以减少串联阻抗与走线感抗。
  • 接地布局:为保证快速卸放能量,器件的 GND 引脚应短且直接接入参考地平面,避免长回流路径。
  • 与阻抗匹配:在高速或音频高保真方案中,结合 10 pF 的结电容特性评估对线路阻抗的影响,必要时与线路阻抗一起优化 PCB 布线。
  • 工作电压限制:Vrwm = 5 V,适合 5 V 及以下信号线。不可用于高压直流供电线路或超过器件额定 Vrwm 的环境。

六、可靠性与封装信息

0402ESDA-05N-ES 在 -40 ℃ 至 +125 ℃ 的温度范围内稳定工作,能够满足移动设备与工业便携设备的温度和可靠性要求。封装采用 DFN1006-2L,便于自动贴片焊接,适合大规模生产。器件通过 IEC 61000-4-2 静电放电防护等级测试(在规定试验条件下能提供稳定的保护性能),并具备可重复承受多次脉冲冲击的能力。

七、总结与选型建议

0402ESDA-05N-ES 是一款面向板级音频和低电压信号线的高性价比 ESD 保护器件。其双向保护、低漏电、低结电容和小型封装的组合,适合对空间、信号完整性和功耗有严格要求的消费电子产品。在选型时,若保护对象为 5 V 及以下的模拟或数字接口,并且要求对信号保真度影响最小且需双向保护,本产品是优先考虑的方案。如需更高能量吸收能力或更低钳位电压,可根据系统脉冲能量及容忍电压等级进一步评估或咨询供应商。

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