WMSIC Electronic Components

BORN BSDFN2C031RB

ModelBSDFN2C031RB
PackageDFN-2(0.6x1)
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BORN BSDFN2C031RB
Type
BORN
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BORN
Electronic Component
BSDFN2C031RB
Electronic Component
1
Package
DFN-2(0.6x1)
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.01g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.35pF
Electronic Component
BM0264577793
Voltage
8V
Electronic Component
IEC 61000-4-2
Current(Ir)
100nA

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

BSDFN2C031RB 产品概述

一、主要参数

BSDFN2C031RB 为伯恩半导体(BORN)推出的单路双向静电放电保护器件,面向3.3V等级的数据信号保护。主要电气参数如下:

  • 反向截止电压(Vrwm):3.3V(双向)
  • 击穿电压(VBR):6.5V
  • 峰值脉冲电流(Ipp):10A (8/20μs)
  • 钳位电压(VC):典型约5V(在特定测试条件下);在 Ipp=10A、8/20μs 条件下钳位峰值可达到约8V
  • 反向漏电流(Ir):100nA(常温)
  • 结电容(Cj):0.35pF(低电容,适合高速信号)
  • 通道数:单路(1ch)/ 双向保护
  • 防护等级:符合 IEC 61000-4-2 标准
  • 封装:DFN-2 (0.6 × 1 mm)

二、产品特点

  • 极低结电容(0.35pF),对高频信号影响极小,适合高速数据线与差分信号保护。
  • 双向结构,可直接用于双向数据线或电平不定方向的接口保护,无需额外极性判断。
  • 10A 峰值抗冲击能力(8/20μs),对人体放电和浪涌事件有良好吸收能力;典型钳位电压约5V,能有效限制瞬态过电压。
  • 低漏电流(100nA),在待机或低功耗系统中对电流增加影响微小。
  • 超小 DFN-2 封装,节省 PCB 面积,利于微型化产品设计。

三、典型应用

  • 3.3V I/O 接口保护:MCU 外围口、GPIO、串口(UART)、SPI、I2C 等。
  • 高速接口保护:摄像头/显示接口(MIPI/DSI/CSI 控制线)、SDIO、移动设备内的高速控制信号。
  • 消费电子与便携设备:手机、平板、可穿戴、IoT 芯片外设保护。
  • SIM 卡、天线接入点、传感器接口及其他需要低容抗扰的敏感节点。

四、封装与 PCB 布局建议

  • 将器件尽量靠近被保护的外部连接器或接口放置,缩短信号回路长度以降低寄生电感。
  • 垂直接地路径要尽可能短、低感;建议在器件地端下方使用多过孔(vias)连接至地平面,保证快速电流回流。
  • 为保证焊接可靠性,按厂方 DFN-2(0.6×1) 推荐焊盘设计制作 PCB,控制焊盘尺寸和阻焊开窗。
  • 在极端应用中可与串联电阻、共模电感等配合使用以提升系统对浪涌的整体耐受能力。
  • 注意与电源地分割的布线策略,避免高能瞬态通过敏感模拟地回流。

五、使用与可靠性注意事项

  • 器件为瞬态保护元件,不适合作为长时间承受过压的稳压元件。避免在超出 Vrwm 的持续偏置下工作。
  • 遵循 Ipp(10A@8/20µs)限值,避免重复承受超过规格的高能脉冲,以免降低寿命或损坏。
  • 焊接工艺应符合DFN封装的回流规范,避免过高温度和长时间热暴露。
  • 长期工作时,漏电流会随温度上升,设计时需预留余量。
  • 建议在生产与装配过程中采用静电防护措施,避免误操作对元件造成损伤。

总结:BSDFN2C031RB 以其低电容、低漏电、10A 抗冲击能力及超小 DFN 封装,为 3.3V 等级的高速和敏感信号线提供高效、可靠的 ESD 与瞬态过压保护,适合消费电子、移动与物联网等空间受限且对信号完整性要求高的应用场景。

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