WMSIC Electronic Components

Brightking SMCJ20CA-AT/TR13 SMCJ20CA

ModelSMCJ20CA-AT/TR13
PackageSMC
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Brightking SMCJ20CA-AT / TR13
Type
BRIGHTKING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SMCJ20CA-AT/TR13
Electronic Component
1
Package
SMC
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.371g
Electronic Component
1
Electronic Component
BM0264590675
Voltage
32.4V
Current(Ir)
1uA
Voltage(VBR)
22.2V
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.

SMCJ20CA-AT/TR13瞬态抑制二极管(TVS)产品概述

SMCJ20CA-AT/TR13是台湾君耀(Brightking)推出的一款双向瞬态抑制二极管(TVS),采用SMC(DO-214AB)贴片封装,专为电路中的过压浪涌防护设计,可有效抑制静电放电(ESD)、雷电感应脉冲及电源瞬变干扰,保护敏感电子元件免受损坏。

一、产品定位与核心用途

作为一款通用型TVS器件,SMCJ20CA-AT/TR13的核心定位是中低压电路的双向浪涌防护,无需区分正负极即可实现对电路正负方向过压的抑制。其主要应用场景覆盖消费电子、通信设备、工业控制等领域,可并联在被保护电路的电源端、信号端或接口端,快速响应瞬态过压并钳位,保障电路稳定运行。

二、关键参数解析

该器件的核心参数直接决定其防护能力,具体解析如下:

  1. 电压特性

    • 反向截止电压(Vrwm):20V,即器件常态下可稳定承受的最高反向工作电压,适配常态电压≤20V的电路(如12V、18V系统);
    • 击穿电压(Vbr):22.2V,为器件触发导通的阈值电压,当电路电压超过此值时,TVS快速从截止态转为导通态;
    • 钳位电压(Vc):32.4V(峰值脉冲电流下),即浪涌发生时,TVS将电路电压钳位在32.4V以内,有效保护后级元件(如IC、MOS管)的耐压极限。
  2. 电流与功率能力

    • 峰值脉冲电流(Ipp):46.3A,可承受单次峰值46.3A的浪涌电流;
    • 峰值脉冲功率(Ppp):1.5kW,满足多数中功率电路的防护需求;
    • 反向漏电流(Ir):1μA(Vrwm下),低漏电流确保器件常态下不消耗额外功率,避免影响电路正常工作。
  3. 极性与封装
    双向极性设计简化焊接工艺(无需区分正负极);SMC封装体积小(约2.9×5.1mm),适合高密度PCB布局,支持自动化贴装。

三、封装与可靠性设计

SMCJ20CA-AT/TR13采用SMC(DO-214AB)贴片封装,具备以下优势:

  • 体积紧凑:适配小型化电子设备(如智能手机、智能穿戴)的接口防护;
  • 散热高效:封装设计利于热量快速扩散,可承受多次浪涌冲击而不失效;
  • 环境适应性:君耀TVS普遍符合工业级温度范围(-55℃~150℃),可在恶劣环境下稳定工作(具体需参考 datasheet 确认)。

四、典型应用场景

该器件的防护能力适配多种电路场景:

  1. 消费电子:手机、平板、笔记本的USB/HDMI接口防护,抑制静电及充电浪涌;
  2. 通信设备:路由器、交换机的电源/以太网接口防护,抵御雷电感应脉冲;
  3. 工业控制:PLC、传感器的信号/电源端防护,应对工业现场瞬变干扰;
  4. 汽车电子:车载充电器、显示屏的低压电路防护(需确认车规适配性)。

五、选型与使用注意事项

  1. 电压匹配:Vrwm需大于电路常态工作电压(如12V电路可选Vrwm≥15V器件,本产品20V适配性更广);
  2. 安装方式:必须并联在被保护电路两端(电源/信号端与地),串联无效;
  3. 焊接要求:SMC贴片焊接温度≤260℃,焊接时间≤10秒,避免高温损坏;
  4. 浪涌升级:若需更高防护(如8kV以上雷击浪涌),可并联多个器件或搭配压敏电阻使用。

SMCJ20CA-AT/TR13凭借双向防护、低漏电流及紧凑封装的特点,成为中低压电路浪涌防护的高性价比选择,广泛适用于各类电子设备的过压保护需求。

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