WMSIC Electronic Components

BORN P6SMBJ6.8CA

ModelP6SMBJ6.8CA
PackageDO-214AA(SMB)
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 P6SMBJ6.8CA
Type
BORN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BORN
Electronic Component
P6SMBJ6.8CA
Electronic Component
1
Package
DO-214AA(SMB)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.19g
Electronic Component
1
Electronic Component
BM0230041447
Voltage
10.5V
Current(Ir)
1mA
Voltage(VBR)
6.45V
Electronic Component
Electronic Component
Electronic Component
3000

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

P6SMBJ6.8CA 产品概述

一、概述

P6SMBJ6.8CA 是 BORN(伯恩半导体)出品的一款双向瞬态电压抑制二极管(TVS),采用 DO-214AA(SMB)封装,专为抑制瞬态过压、浪涌以及静电放电设计。该器件在瞬态冲击下能快速钳位电压,保护下游敏感电子元件免受瞬间高能量脉冲的损坏,适用于电源总线、数据通信接口和各种工业/汽车电子防护场景。

二、主要电气参数

  • 极性:双向(双向抑制交流或双向脉冲)
  • 反向工作峰值电压 Vrwm:5.8 V
  • 击穿电压 Vbr(典型):6.45 V
  • 钳位电压 Vc:10.5 V @ Ipp 58.1 A
  • 峰值脉冲电流 Ipp:58.1 A
  • 峰值脉冲功率 Ppp:600 W(10/1000μs 或按厂方说明)
  • 反向漏电流 Ir:1 mA(在 Vrwm 条件下)
    这些参数表明该器件能在高达数十安培的瞬态电流下,将被保护节点电压限制在安全范围内。

三、典型应用场景

  • 直流/交流电源轨保护(尤其是 5V ~ 7V 区域)
  • USB、串口、CAN 总线等数据通信接口浪涌与 ESD 抑制
  • 工业控制设备、PLC、传感器接口的瞬态防护
  • 航空航天与汽车电子中对高能量瞬态的二次防护(需配合系统级设计)

四、封装与机械特性

  • 封装形式:DO-214AA(SMB),适合自动贴装与波峰/回流焊工艺
  • 小型化封装提高 PCB 布局灵活性,同时便于热量传导至铜箔。为发挥最佳抑制性能,建议器件紧邻被保护节点放置,走线尽可能短直以降低寄生电感。

五、使用与设计建议

  • 放置位置:靠近被保护引脚或接口,减少引线长度和环路面积。
  • 热管理:在高能量冲击场景下注意 PCB 铜箔散热面积,必要时增加散热层或热沉。
  • 串联/并联注意:并联使用时需考虑电流分配不均;串联会改变钳位与击穿特性,一般不建议。
  • 与熔断器/限流器配合:对于持续过流或重复高能冲击,应与熔断器、PTC 等限流保护元件组合使用,以防器件热失效。
  • 可靠性测试:推荐在设计验证阶段进行 IEC 61000-4-5(浪涌)和 IEC 61000-4-2(ESD)相关测试。

六、可靠性与封装处理

P6SMBJ6.8CA 采用业界常见的 SMB 封装,适配常规回流焊工艺。存储与回流焊温度应遵循厂方推荐的湿热与焊接规范以避免封装应力或潮湿导致的可靠性问题。在高冲击场景下,器件可能出现老化或参数漂移,建议在系统级进行寿命与冲击次数评估。

七、小结

P6SMBJ6.8CA 是一款适合中等能量瞬态抑制的双向 TVS 二极管,具有较高的峰值脉冲能量吸收能力(600 W)和明显的钳位性能(10.5 V @ 58.1 A),适用于保护 5V-7V 级别的电源与通信接口。在实际应用中应重视 PCB 布局、热管理及与其他保护元件的配合,以获得最佳的长期保护效果。对于长期可靠性或特殊环境(如汽车工作温度范围、盐雾、振动等),建议参考 BORN 官方数据手册并进行系统级验证。

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