WMSIC Electronic Components

HXY MOSFET SMAJ5.0A

ModelSMAJ5.0A
PackageSMA
BrandHXY MOSFET
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
HXY MOSFET SMAJ5.0A
Type
HXY MOSFET
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HXY MOSFET
Electronic Component
SMAJ5.0A
Electronic Component
1
Package
SMA
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.118g
Electronic Component
1
Electronic Component
BM0258661898
Operating Temperature
65℃~+150℃
Voltage
9.2V
Current(Ir)
800uA
Voltage(VBR)
6.4V;7V
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.

SMAJ5.0A 产品概述

一、产品简介

SMAJ5.0A 是华轩阳电子(HXY MOSFET)出品的一款单向TVS瞬态抑制二极管,封装为SMA,专为保护5V及以下电源和信号线免受浪涌、电压尖峰和静电放电损害而设计。器件在极性为单向时,对正向突波有优良的钳位能力,可在极端环境下长期工作,适合工业级应用。

二、主要电气参数

  • 反向截止电压 Vrwm:5V(单向)
  • 击穿电压(典型范围):6.4V ~ 7V
  • 钳位电压 Vc:9.2V(在峰值脉冲条件下)
  • 峰值脉冲电流 Ipp:43.5A
  • 峰值脉冲功率 Ppp:400W
  • 反向漏电流 Ir:≤800µA
  • 工作温度范围:-65℃ ~ +150℃

以上参数保证了器件在瞬态能量冲击时能够将被保护节点电压钳制在安全值以内,同时在待机状态下泄漏电流保持较低。

三、主要特性与优势

  • 单向结构,适合5V电源保护与信号线保护,正向导通后迅速钳位,抑制过压冲击;
  • SMA 封装,体积小、散热性能良好、便于贴片生产与自动化装配;
  • 高峰值功率(400W)与较大冲击电流(43.5A),能承受常见的浪涌与瞬态脉冲;
  • 宽工作温度范围,适应工业级恶劣环境,可靠性高;
  • 低成本、易于替换与批量采购,适合各类电子设备防护方案。

四、典型应用场景

  • 5V 电源总线和模块输入保护(如嵌入式主板、单板计算机);
  • 通信接口与串行总线的浪涌与静电防护(UART、I2C、SPI等);
  • 工业控制设备、传感器供电端和信号接口防护;
  • 汽车电子(非车规级认证需另行确认)、仪器仪表、电源适配器等。

五、安装与使用建议

  • 器件应尽量靠近受保护端口/接口焊接,减小连线电感与寄生阻抗,以提升钳位效率;
  • 在高能量冲击环境下,配合限流电阻或熔断元件使用以分担能量,延长器件寿命;
  • 留意器件的散热条件,必要时在PCB布局中提供散热铜箔或通过孔;
  • 选型时确认工作侧最大工作电压不超过 Vrwm,且钳位电压满足后级电路的耐压要求。

六、可靠性与环境适应

SMAJ5.0A 设计用于长期在-65℃至+150℃范围内稳定工作,适合工业级应用场合。为保证可靠性,建议在实际产品设计中进行浪涌、ESD 以及温度循环的验证测试,确保在目标应用场景下的性能和寿命满足要求。

综上,SMAJ5.0A 是一款面向5V系统的高能量、单向TVS保护器件,凭借SMA封装与稳定的电气性能,能够为各种电子设备提供有效的瞬态过压与浪涌保护。若需查看更多典型波形、脉冲测试条件或器件封装尺寸,请联系华轩阳电子获取详尽数据手册。

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