WMSIC Electronic Components

Brightking SMAJ180A/TR13 SMAJ180A

ModelSMAJ180A/TR13
PackageSMA(DO-214AC)
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 SMAJ180A / TR13
Type
SMA(DO-214AC)
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SMAJ180A/TR13
Electronic Component
1
Package
SMA(DO-214AC)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.124g
Electronic Component
1
Electronic Component
BM0264881676
Operating Temperature
65℃~+150℃
Voltage
292V
Current(Ir)
1uA
Voltage(VBR)
201V
Electronic Component
Electronic Component

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

Brightking SMAJ180A/TR13 TVS二极管产品概述

Brightking(台湾君耀)SMAJ180A/TR13是一款专为电路过压防护设计的单向瞬态抑制二极管(TVS),采用SMA(DO-214AC)表面贴装封装,针对180V等级的电气系统提供高效、可靠的瞬态脉冲防护,广泛应用于工业控制、电源系统、通信设备等领域。

一、产品基本定位

SMAJ180A/TR13属于君耀SMAJ系列TVS二极管,核心定位为中高压电路的瞬态过压防护器件,通过快速响应瞬态脉冲(如雷击、静电放电、开关浪涌),将电路电压钳位在安全范围内,避免敏感元器件(如IC、传感器)因过压损坏。其单向导通特性适用于单极性过压防护场景,无需额外极性切换设计,简化电路布局。

二、核心电气参数深度解析

该器件的关键电气参数直接决定防护性能,具体解析如下:

  1. 反向截止电压(Vrwm=180V):正常工作状态下,TVS允许施加的最大反向电压,确保电路在180V以内稳定运行时不导通,无额外功耗损耗;
  2. 击穿电压(Vbr=201V):TVS从截止态向导通态转变的临界电压,比Vrwm高约11.7%,避免正常电压波动导致误触发,保障电路可靠性;
  3. 钳位电压(Vc=292V):峰值脉冲电流通过时,TVS两端的最大电压,是判断防护能力的核心指标——292V的钳位值可有效限制敏感器件的过压应力,避免击穿损坏;
  4. 峰值脉冲电流(Ipp=1.4A):器件可承受的最大单脉冲电流(8/20μs标准浪涌波形),结合钳位电压计算,峰值脉冲功率(Ppp=Vc×Ipp≈409W)与标称400W一致,满足典型浪涌场景需求;
  5. 反向漏电流(Ir=1μA):正常工作时的反向漏电流极小,仅1μA,不会对电路正常工作造成额外干扰或功耗影响。

三、封装与物理特性

SMAJ180A/TR13采用SMA(DO-214AC)表面贴装封装,具有以下物理优势:

  • 体积紧凑:封装尺寸约为2.2mm(长)×3.2mm(宽)×1.5mm(高),适合高密度PCB布局,节省安装空间;
  • 自动化适配:表面贴装设计兼容SMT生产流程,可实现批量自动化焊接,降低生产难度与成本;
  • 机械可靠性:封装采用陶瓷/塑料复合结构,抗机械应力能力强,适应振动、冲击等复杂工业环境。

四、典型应用场景

结合参数特性,该器件主要应用于以下场景:

  1. 工业控制电路:PLC模块、传感器接口、伺服驱动器等180V等级直流电路的过压防护,避免雷击或开关浪涌损坏敏感芯片;
  2. 电源系统:180V直流电源(如工业电源、光伏逆变器直流侧)的浪涌抑制,防止输出过压烧毁负载;
  3. 通信设备:基站射频模块、光纤收发器等设备的瞬态防护,应对静电放电(ESD)或雷电感应脉冲;
  4. 汽车电子:高温环境下的辅助电源电路(如车载充电桩模块)防护,其-65℃~+150℃的宽温范围可适应发动机舱等极端温度区域。

五、性能优势与可靠性

SMAJ180A/TR13在防护性能与可靠性上具有明显优势:

  • 快速响应:TVS典型响应时间为ns级(<1ns),远快于压敏电阻(μs级),可瞬间抑制快速瞬态脉冲,避免器件损坏;
  • 宽温适应性:工作温度范围覆盖-65℃~+150℃,符合工业级环境要求,可在高寒、高温场景稳定工作;
  • 高可靠性:君耀采用成熟的TVS制造工艺,器件经过老化测试与脉冲循环验证,参数一致性好,脉冲承受能力稳定;
  • 环保合规:产品符合RoHS、REACH等环保标准,无铅封装适配绿色制造需求。

六、应用注意事项

  1. 单向导通特性:仅适用于单极性过压防护(如直流电路正负极性固定),若需双极性防护需并联反向器件;
  2. 并联安装:TVS需与被保护电路并联(而非串联),确保过压时快速导通泄放脉冲电流;
  3. 散热设计:虽为小功率脉冲防护,但多次脉冲后需考虑轻微散热,避免长期工作温度过高影响寿命。

总结:Brightking SMAJ180A/TR13是一款性能均衡的中高压TVS二极管,以紧凑封装、宽温范围、快速响应为核心优势,可有效解决180V等级电路的瞬态过压防护问题,是工业、通信、电源等领域的可靠选择。

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