WMSIC Electronic Components

RUILON SMAJ13A

ModelSMAJ13A
PackageDO-214AC
BrandRUILON
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
RUILON SMAJ13A
Type
RUILON
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
SMAJ13A
Electronic Component
1
Package
DO-214AC
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.1g
Electronic Component
1
Electronic Component
BM0265071981
Operating Temperature
55℃~+150℃
Voltage
21.5V
Electronic Component
IEC 61000-4-4;IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
16.5V

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

SMAJ13A 瞬态抑制二极管(TVS)产品概述

SMAJ13A是RUILON(瑞隆源)推出的单向瞬态抑制二极管(TVS),专为12V系统的过压防护设计,采用DO-214AC(SMA)贴片封装,具备高可靠性、宽温适应和强抗干扰能力,广泛应用于汽车电子、工业控制等领域。

一、产品基本信息

SMAJ13A属于单向TVS器件,型号命名中:

  • “SMAJ”对应DO-214AC封装与TVS类型;
  • “13”代表核心参数反向截止电压(Vrwm)13V。

品牌为RUILON瑞隆源,该厂商专注过压防护器件研发,产品符合RoHS环保标准,批量供货稳定,适合各类电子设备应用。

二、核心电气参数解析

SMAJ13A的参数精准匹配12V系统防护需求,关键参数及意义如下:

  1. 反向截止电压(Vrwm):13V
    器件长期工作允许的最大直流/交流电压,确保12V系统正常电压(≤13V)下不导通,无漏电流干扰。
  2. 击穿电压(Vbr):16.5V
    过压触发阈值,比Vrwm高3.5V,避免误触发的同时快速响应过压。
  3. 钳位电压(Vc):21.5V
    10/1000μs脉冲波形下的峰值钳位电压,将过压限制在21.5V以内,保护后端MCU、传感器等敏感元件。
  4. 峰值脉冲功率(Ppp):400W
    10/1000μs波形下的最大耐脉冲功率,对应峰值脉冲电流(Ipp)18.6A,可承受高强度瞬态干扰。
  5. 反向漏电流(Ir):1μA
    反向截止时漏电流极小,不影响后端电路正常工作,长期稳定性优异。

三、防护性能与标准

SMAJ13A严格遵循国际EMC标准,有效防护两类核心干扰:

  • IEC 61000-4-2(ESD防护):通过静电放电测试,承受±8kV接触放电、±15kV空气放电,避免静电损坏敏感元件。
  • IEC 61000-4-4(EFT防护):应对电快速瞬变脉冲群(如开关切换、雷电感应),ns级响应速度快速钳位过压,防止电路误动作或损坏。

四、封装与可靠性

采用DO-214AC(SMA)贴片封装,具备三大优势:

  1. 小型化:尺寸仅2.0mm×3.0mm×1.0mm,适合高密度PCB布局,满足便携式设备需求。
  2. 宽温适应:-55℃~+150℃,适应汽车发动机舱(高温)、户外监控(低温)等极端环境。
  3. 高可靠性:兼容回流焊工艺,焊点牢固,抗振动性能优异,适合车载、工业振动场景。

五、典型应用场景

因13V Vrwm参数,精准匹配12V系统防护,典型应用包括:

  • 汽车电子:车载12V电源模块、MCU控制单元、车灯驱动电路;
  • 工业控制:PLC输入输出接口、12V温度/压力传感器;
  • 通信设备:12V电源适配器输出端、光纤收发器接口;
  • 消费电子:LED驱动电源、智能家居控制模块。

六、品牌与竞争优势

RUILON瑞隆源的SMAJ13A具备三大核心优势:

  1. 参数一致性:批量产品Vbr、Vc偏差小,防护效果稳定;
  2. 性价比高:性能相当进口品牌,成本更具竞争力;
  3. 供货稳定:大规模生产能力,满足批量采购需求,交货周期短。

综上,SMAJ13A是12V系统过压防护的理想选择,可有效解决静电、脉冲群等瞬态干扰问题,提升设备可靠性。

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