WMSIC Electronic Components

BORN BSDFN2C051U

ModelBSDFN2C051U
PackageDFN1006
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 BSDFN2C051U
Type
BORN
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BORN
Electronic Component
BSDFN2C051U
Electronic Component
1
Package
DFN1006
Electronic Component
Electronic Component
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.007g
Electronic Component
1
Cj- Capacitor
0.65pF
Electronic Component
BM0264897283
Voltage
8V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
500nA
Electronic Component
Electronic Component
Electronic Component
10000

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

BSDFN2C051U 瞬态抑制二极管(TVS)产品概述

BSDFN2C051U是伯恩半导体(BORN)推出的一款双向低容瞬态抑制二极管,专为低电压系统的过压防护设计,兼顾高速信号完整性与多场景电磁防护能力,适配小型化、低功耗电子设备的应用需求。

一、核心定位与产品属性

作为通用型TVS器件,BSDFN2C051U的核心作用是快速钳位瞬态过压,保护后级敏感电路免受静电放电(ESD)、电快速瞬变脉冲群(EFT)、浪涌(雷击/电源波动)等干扰损坏。其双向导通特性无需区分电路极性,简化设计;低结电容设计则确保信号传输完整性,适合高速数字/射频线路。

二、关键电参数深度解析

BSDFN2C051U的电参数精准匹配低电压系统需求,核心参数如下:

  1. 反向截止电压(Vrwm):5V
    对应5V供电系统(如USB 2.0/3.0、5V IoT模块)的工作电压范围,确保无击穿、无额外功耗损耗。
  2. 钳位电压(Vc):8V
    瞬态过压时快速导通钳位至8V,远低于典型后级芯片(MCU、射频收发器)的最大耐压(通常10V以上),避免后级损坏。
  3. 峰值脉冲电流/功率:4A@8/20us、32W
    采用8/20us标准浪涌波形测试(模拟雷击/电源瞬态),可承受最大4A脉冲电流,覆盖常见户外/室内设备的浪涌需求。
  4. 反向漏电流(Ir):500nA
    低漏电流减少静态功耗,适合电池供电的便携设备(智能手表、蓝牙耳机),避免额外电量消耗。
  5. 结电容(Cj):0.65pF
    极低结电容对高速信号(USB 3.0、HDMI、MIPI)的传输延迟、串扰影响极小,不会导致信号失真或误码。

三、电磁防护能力验证

BSDFN2C051U通过多项国际标准测试,防护能力覆盖三大常见干扰场景:

  • IEC 61000-4-2(ESD防护):支持接触放电±8kV、空气放电±15kV,抵御人体/设备静电对接口的冲击;
  • IEC 61000-4-4(EFT防护):耐受2kV/5kHz快速瞬变脉冲群,应对开关切换、电机启动等高频干扰;
  • IEC 61000-4-5(浪涌防护):满足2kV(线-地)/1kV(线-线)浪涌测试,适配户外传感器、车载小设备的雷击防护。

四、封装设计与环境适应性

器件采用DFN1006封装(1.0mm×0.6mm×0.4mm),具有以下优势:

  1. 小型化:体积仅为传统SOT-23封装的1/5,适合智能手表、无线耳机等高密度布局设备;
  2. 散热性:无引脚设计热阻更低,可快速 dissipate 脉冲功率,避免器件过热失效;
  3. 可靠性:符合RoHS标准,工作温度范围-55℃~150℃,适配工业级/消费级场景。

五、典型应用场景推荐

BSDFN2C051U适配多类低电压、高速信号设备:

  1. 消费电子接口:手机/平板的USB Type-C、音频接口、充电端口;
  2. 可穿戴设备:智能手表、手环的传感器接口、无线充电端口;
  3. IoT终端:低功耗温湿度/运动传感器的电源/信号输入;
  4. 高速数字线路:HDMI、MIPI-DSI等高速传输接口的防护;
  5. 小型车载设备:车载蓝牙、USB车充的过压防护。

六、选型与使用注意事项

  1. 电压匹配:系统工作电压≤Vrwm(5V),3.3V系统可兼容;
  2. 布局建议:靠近防护端口(如USB接口)焊接,减少引线电感提升响应速度;
  3. 焊接工艺:遵循伯恩半导体回流曲线(峰值245℃±5℃,时间≤30s),避免虚焊;
  4. 多器件并联:需更高脉冲电流防护时,可并联多颗(注意匹配结电容避免信号干扰)。

总结:BSDFN2C051U是一款高性价比双向TVS,平衡了防护能力、信号完整性与小型化需求,适合低电压高速设备的过压防护设计。

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