WMSIC Electronic Components

YANGJIE SMBJ6.5CA

ModelSMBJ6.5CA
PackageSMB(DO-214AA)
BrandYANGJIE
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 Electronic Component

Available for RFQ

Technical data

Product details

13 specifications

Core information

Product name
YANGJIE SMBJ6.5CA
Type
SMB(DO-214AA)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
SMBJ6.5CA
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
0.219g
Electronic Component
1
Electronic Component
BM0265750656
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.

SMBJ6.5CA 产品概述

一、产品简介

SMBJ6.5CA 是扬杰(YANGJIE)出品的表面贴装瞬态电压抑制器(TVS),封装为 SMB(DO-214AA)。该器件专为瞬态浪涌和静电放电(ESD)保护设计,典型应用于5V/6V等级电源线、数据通信线和接口保护,能在瞬态过电压出现时迅速钳位,保护下游敏感器件免受损坏。

二、主要电气参数

  • 反向截止电压(Vrwm):6.5V(工作电压)
  • 击穿电压(Vbr):7.22V(典型)
  • 钳位电压(Vc,Ipp):11.2V(在峰值脉冲电流下测得)
  • 峰值脉冲电流(Ipp):53.6A(单次标准脉冲条件)
  • 类型:双向/TVS(型号后缀“CA”常用于双向抑制)
    以上参数表明器件在6.5V工作电压下对7V以上的瞬态有快速导通特性,并在极限冲击下将电压钳至约11.2V。

三、特点与优势

  • 快速响应:纳秒级响应抑制尖峰脉冲,防止瞬态扩散至系统。
  • 高冲击能力:53.6A 峰值脉冲电流,适合大多数工业和消费类瞬态防护需求。
  • 封装可靠:SMB(DO-214AA)适合波峰/回流焊工艺,便于自动化生产。
  • 双向保护:适用于交流或双向脉冲场景(在选型时确认单/双向版本)。

四、典型应用场景

  • 5V/6V 电源总线保护(USB、嵌入式主板电源等)
  • 数据接口保护(UART、I2C、SPI 等短距离通信线路)
  • 工业控制与传感器节点防浪涌保护
  • 消费电子设备的端口和外设防护

五、选型与设计建议

  • 工作电压选择:Vrwm(6.5V)应高于系统正常最大工作电压,留有裕量。
  • 能量与次数:峰值Ipp仅指单次或标准脉冲条件,若需承受多次或更高能量冲击,应选更高能量等级或并联/配合缓冲电路。
  • 双向/单向:若仅保护 DC 正负极,单向器件可降低钳位;交流或双向脉冲请确认为双向型号。
  • PCB布线:尽量缩短保护器件到被保护节点与接地之间的回路,确保低阻抗接地路径,提高保护效率。

六、安装与可靠性注意事项

  • 封装和焊接:SMB 封装支持回流焊,遵循厂商推荐的温度曲线以避免器件应力。
  • 热管理:在高能量冲击环境下,器件温升显著,注意布局和热沉设计,避免反复超过额定能量。
  • 验证测试:最终系统需进行 IEC 静电与雷击/浪涌(如 IEC 61000-4-2/61000-4-5)等实测验证,确保整机抗扰度满足需求。

七、结论

SMBJ6.5CA(YANGJIE,SMB 封装)以6.5V 工作电压、7.22V 击穿和在53.6A 脉冲下11.2V 钳位的特性,提供对中低电压系统快速且高能量的瞬态保护。适合5V类供电与数据接口的浪涌/静电防护,设计时需注意工作电压裕量、热耗散与系统级验证,以确保长期可靠运行。

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