WMSIC Electronic Components

Brightking SMBJ5.0CA-AT/TR13 SMBJ5.0CA

ModelSMBJ5.0CA-AT/TR13
PackageSMB(DO-214AA)
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Brightking SMBJ5.0CA-AT / TR13
Type
BRIGHTKING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SMBJ5.0CA-AT/TR13
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.214g
Electronic Component
1
Electronic Component
BM0264881718
Voltage
9.2V
Current(Ir)
1uA
Voltage(VBR)
6.4V
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.

SMBJ5.0CA-AT/TR13 瞬态抑制二极管(TVS)产品概述

一、产品基本信息

SMBJ5.0CA-AT/TR13是台湾君耀(Brightking)推出的双向瞬态抑制二极管(TVS/ESD),核心功能为电子电路的静电放电(ESD) 和浪涌过压保护。其封装形式为SMB(DO-214AA),属于表面贴装小型封装,适配各类紧凑型电子设备的电路设计需求。该产品针对5V电压系统优化,是低电压电路过压防护的主流器件之一。

二、关键电气参数详解

SMBJ5.0CA-AT/TR13的参数围绕“过压防护能力”和“低功耗兼容性”设计,核心参数及意义如下:

  • 极性:双向
    无需区分正负极安装,可同时抑制电路中正负方向的浪涌脉冲,简化电路布局,尤其适合USB接口、双向信号传输线等场景。
  • 反向截止电压(Vrwm):5V
    电路正常工作时反向可承受的最大电压阈值,确保在5V系统中不发生误击穿,不影响电路正常功能。
  • 击穿电压(Vbr):6.4V
    反向电压超过此值时,器件进入“雪崩击穿”工作状态,快速导通以钳位电压。
  • 钳位电压(Vc):9.2V(@600W脉冲)
    电路出现峰值脉冲时,器件将电压钳位在9.2V以内,有效保护后级敏感元件(如IC、MOS管等)不被过压损坏。
  • 峰值脉冲功率(Ppp):600W
    单次脉冲的最大功率容量,可承受较强的浪涌冲击(如雷击感应、电源开关浪涌)。
  • 峰值脉冲电流(Ipp):65.3A
    对应600W脉冲下的最大浪涌电流峰值,体现器件的电流耐受能力。
  • 反向漏电流(Ir):1μA(@5V)
    正常工作电压下漏电流极小,不影响电路功耗和信号完整性,适合低功耗设备。

三、封装与物理特性

SMB(DO-214AA)封装是该产品的核心物理优势,具体特性:

  • 小型化设计:典型尺寸为2.3mm×5.0mm×1.0mm,适配智能手机、可穿戴设备等紧凑型产品的PCB布局;
  • 表面贴装兼容:支持回流焊、波峰焊等自动化生产工艺,适合批量制造;
  • 高可靠性:封装材料耐温性好(回流焊峰值温度可达260℃),抗机械应力能力强,长期使用稳定性高;
  • 环保合规:符合RoHS、REACH等标准,无铅无卤,适配全球市场需求。

四、典型应用场景

SMBJ5.0CA-AT/TR13针对5V系统优化,广泛应用于:

  1. 消费电子:智能手机、平板电脑、蓝牙耳机的充电接口(USB Type-C/Micro-USB)、数据传输线的ESD/浪涌保护;
  2. 嵌入式系统:单片机(MCU)、FPGA、ARM核心板的电源输入、I/O端口保护;
  3. 工业控制:低电压传感器(如5V模拟传感器)、PLC输入输出模块的过压防护;
  4. 通信设备:路由器、交换机的以太网端口、无线模块(WiFi/Bluetooth)的信号接口保护;
  5. 汽车电子:12V系统中的低电压辅助模块(如车载USB充电器、中控屏电源)的浪涌保护(工作温度-55℃~150℃,满足部分车载场景)。

五、产品核心优势

  1. 双向保护适配性强:无需正负极区分,简化电路设计,降低安装错误风险;
  2. 低钳位电压防护优:9.2V钳位电压远低于多数敏感元件耐压极限(如常见IC耐压10V~15V),有效避免后级损坏;
  3. 高脉冲容量抗冲击:600W峰值功率和65.3A峰值电流,可应对静电放电、电源开关瞬态、雷击感应等浪涌;
  4. 低漏电流功耗低:1μA漏电流不影响电路正常功耗,适合电池供电的低功耗设备;
  5. 品牌可靠性高:台湾君耀作为专业TVS厂商,产品一致性好,经过温度循环、湿度老化等严格测试,长期故障率低。

六、应用注意事项

  1. 电压匹配:系统正常工作电压需≤5V,避免Vrwm误击穿;
  2. 钳位电压验证:后级元件最大耐压需≥9.2V,确保过压时被有效保护;
  3. 脉冲功率匹配:若系统浪涌功率超过600W,需并联多个器件;
  4. PCB布局优化:器件应靠近被保护电路输入端,减少引线电感对保护效果的影响;
  5. 焊接工艺:回流焊温度遵循厂商推荐曲线(峰值260℃,时间≤30s),避免热应力损坏。

总结:SMBJ5.0CA-AT/TR13是针对5V系统的高性价比双向TVS管,兼具小体积、高防护、低功耗等特点,广泛适用于消费电子、工业控制、通信等领域的静电和浪涌保护,是电子电路过压防护的可靠选择。

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