WMSIC Electronic Components

Brightking UBQ10A03L04

ModelUBQ10A03L04
PackageQFN-10(2.5x1.0)
BrandBrightking
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
Brightking UBQ10A03L04
Type
BRIGHTKING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
UBQ10A03L04
Electronic Component
1
Package
QFN-10(2.5x1.0)
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.045g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.6pF;0.3pF
Electronic Component
BM0264590733
Voltage
15V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA
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.

Brightking UBQ10A03L04 ESD防护二极管产品概述

一、产品基本定位与标识

UBQ10A03L04是台湾君耀(Brightking)推出的单向ESD防护二极管,专为电子设备的敏感信号线路设计,核心作用是抑制静电放电(ESD)对后端元器件的损坏。产品采用QFN-10封装(10引脚方形扁平无引脚封装),内置4路独立防护通道,适配主流3.3V供电系统,兼具小体积与高集成度特点。

二、核心电气参数详解

该器件的关键参数直接决定防护能力与应用兼容性,具体解析如下:

  1. 反向截止电压(Vrwm):3.3V
    指设备正常工作时,二极管反向偏置状态下可承受的最大直流电压,精准匹配3.3V系统(如多数消费电子、通信设备的核心供电),非防护状态下不影响线路正常信号传输。
  2. 钳位电压:15V
    当遭遇ESD脉冲冲击时,二极管迅速导通,将线路电压钳位在15V以下——远低于敏感IC的典型击穿电压(通常10~20V),有效避免后端芯片因过压损坏。
  3. 峰值脉冲电流(Ipp):4A@8/20μs
    8/20μs是IEC 61000-4-2标准规定的典型ESD脉冲波形(前沿上升时间8μs,半峰值持续时间20μs),该参数表明器件可承受最大4A的瞬间脉冲电流,覆盖日常静电(如人体接触放电)的防护需求。
  4. 反向漏电流(Ir):1μA(典型值)
    反向偏置时漏电流极小,不会导致线路功耗增加或信号失真,保证正常工作状态下的线路稳定性。
  5. 结电容(Cj):0.3pF~0.6pF(典型值)
    低结电容是该器件的核心优势,尤其适合高速信号线路(如USB 3.0、HDMI 1.4/2.0、I2C/SPI等)——结电容过大易导致信号衰减、相位偏移,而0.3~0.6pF的参数可保障高速数据传输质量不受影响。

三、防护标准与应用兼容性

UBQ10A03L04严格符合IEC 61000-4-2静电放电防护标准,可有效应对两类常见ESD场景:

  • 人体放电模型(HBM):模拟人体接触设备时的静电释放;
  • 机器放电模型(MM):模拟生产/维修过程中设备间的静电传递。

4通道设计可同时防护多组信号线路(如USB的TX/RX、HDMI的多数据脚),无需额外并联单通道器件,简化电路设计;QFN-10封装体积小巧(约1.6mm×1.6mm),适配智能手机、平板等小型化设备的高密度布局。

四、典型应用场景

该器件因低结电容、多通道、适配3.3V系统的特点,广泛应用于以下领域:

  1. 消费电子:智能手机、平板电脑的USB接口、HDMI接口、音频接口防护;智能穿戴(手表、手环)的充电/数据接口防护;
  2. 通信设备:路由器、交换机、无线AP的以太网接口、USB接口、射频信号线路防护;
  3. 工业控制:PLC(可编程逻辑控制器)的I/O接口、通信接口的ESD防护,适应工业环境的静电干扰;
  4. 车载电子:部分车载信息娱乐系统的USB、HDMI接口防护(需确认车规认证,公开信息显示该型号可满足常规车载场景需求)。

五、品牌可靠性与质量保障

Brightking(台湾君耀)是全球知名的过压/过流防护器件制造商,拥有20余年专业技术积累,产品通过ISO 9001、ISO 14001等质量管理体系认证。UBQ10A03L04经过严格可靠性测试(温度循环、湿度老化、机械应力测试等),可在**-55℃~+150℃宽温度范围**内稳定工作,确保长期可靠性。

综上,UBQ10A03L04凭借低结电容、多通道集成、高防护能力的特点,成为3.3V系统高速信号线路ESD防护的优选器件,可有效提升电子设备的静电抗扰度与使用寿命。

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