WMSIC Electronic Components

Brightking SMBJ15CA-AT/TR13 SMBJ15CA

ModelSMBJ15CA-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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Brightking SMBJ15CA-AT / TR13
Type
BRIGHTKING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SMBJ15CA-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
BM0264590350
Voltage
24.4V
Current(Ir)
1uA
Voltage(VBR)
16.7V
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.

SMBJ15CA-AT/TR13 TVS二极管产品概述

一、产品基本属性与品牌背景

SMBJ15CA-AT/TR13是台湾君耀电子(Brightking) 推出的双向瞬态抑制二极管(TVS),属于过压保护核心器件,核心作用是在电路遭遇瞬态浪涌(雷击、静电放电、开关冲击等)时快速导通,将电压钳位在安全范围,保护后端敏感元件(MCU、传感器、IC等)。

君耀电子作为台湾老牌半导体厂商,专注过压保护领域数十年,产品覆盖TVS、压敏电阻、气体放电管等全系列,以高可靠性、宽温度适配性著称,广泛应用于消费电子、工业控制、通信设备等领域,其TVS产品因参数一致性好、批量稳定性高,成为OEM/ODM厂商的常用选型。

二、核心电气参数解析

该型号的关键参数直接决定防护能力,具体解析如下:

  1. 极性:双向
    无需区分正负极,安装无方向要求,大幅降低生产装配错误率,适配电源、信号等双向传输线路。
  2. 反向截止电压(Vrwm):15V
    电路正常工作时,TVS能承受的最大反向直流电压,无导通或明显漏电流,适配12V及以下直流系统(留2V余量,避免误触发)。
  3. 钳位电压:24.4V
    峰值脉冲电流作用下,TVS将电路电压钳位的最大值,需低于被保护器件耐压(如常见MCU耐压25-30V),确保后端元件安全。
  4. 峰值脉冲电流(Ipp):24.6A
    基于10/1000μs浪涌波形(前沿10μs、半峰值时间1000μs)的最大允许电流,可应对中等强度浪涌冲击。
  5. 峰值脉冲功率(Ppp):600W
    对应Ipp的脉冲功率,是防护能力核心指标,覆盖消费电子、小型工业设备的常见浪涌场景。
  6. 击穿电压:16.7V
    反向电压超过此值时,TVS快速导通;Vrwm(15V)略低于击穿电压,确保正常工作不导通、过压时及时响应。
  7. 反向电流(Ir):1μA
    Vrwm下的反向漏电流,数值极小,正常工作几乎无功率损耗,不干扰后端电路性能。

三、封装与物理特性

采用SMB封装(DO-214AA),表面贴装设计,具备以下特点:

  • 尺寸小巧:典型尺寸2.3mm×2.7mm×1.0mm,适配高密度PCB,符合电子设备小型化趋势;
  • 环保无铅:符合RoHS、REACH标准,满足绿色制造要求;
  • 贴装适配:支持自动化SMT贴装,耐高温回流焊(260℃/10s);
  • 机械可靠:封装结构紧凑,引脚与本体结合牢固,抗振动/冲击性能良好(通用级,非车规)。

四、典型应用场景

因参数适配性强,广泛应用于:

  1. 消费电子接口:手机、平板、笔记本的充电口、USB接口,防护ESD和充电浪涌;
  2. 12V电源系统:路由器、机顶盒、小型工业电源的12V输出端,抑制开关浪涌和雷击感应过压;
  3. 通信线路:RS485、RS232串行线路,双向防护信号浪涌;
  4. 工业控制:PLC模块、传感器节点、小型电机驱动,提升设备稳定性;
  5. 家电产品:智能电视、空调控制板,防止电网浪涌损坏敏感IC。

五、关键性能优势

  1. 双向防护,安装便捷:无极性要求,简化装配流程,降低错误成本;
  2. 低功耗,无干扰:1μA漏电流,正常工作几乎无功率损耗,不影响后端电路;
  3. 防护匹配度高:600W功率+24.6A电流,应对常见浪涌,24.4V钳位适配多数敏感元件;
  4. 参数一致性好:君耀工艺确保批量产品偏差小,适合大规模量产;
  5. 小型化设计:SMB封装节省PCB空间,适配紧凑式设备。

六、选型与应用注意事项

  1. 电压匹配:Vrwm需≥电路正常电压(如12V电路选15V,留余量);
  2. 功率验证:若浪涌功率超600W,需并联多只或选更高功率型号;
  3. 安装位置:靠近被保护器件/接口,减少引线电感(降低防护效果);
  4. 温度适配:击穿电压随温度升高略有上升(0.05%/℃),漏电流增加,需考虑工作温度(-55℃~150℃);
  5. 并联原则:提升防护电流时,并联同型号需确保电流均分(可加平衡电阻)。

综上,SMBJ15CA-AT/TR13是一款性能稳定、成本可控的双向TVS,适合多数消费电子、工业设备的过压防护需求,是高可靠性防护方案的优选。

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