WMSIC Electronic Components

RUILON SMBJ7.5A

ModelSMBJ7.5A
PackageSMB(DO-214AA)
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 SMBJ7.5A
Type
RUILON
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
SMBJ7.5A
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.232g
Electronic Component
1
Electronic Component
BM0265577054
Operating Temperature
55℃~+150℃
Voltage
12.9V
Electronic Component
IEC 61000-4-4;IEC 61000-4-2
Current(Ir)
100uA
Voltage(VBR)
9.58V

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

SMBJ7.5A 瞬态抑制二极管(TVS)产品概述

一、产品基本定位与核心类别

SMBJ7.5A是一款单向瞬态抑制二极管(TVS),由瑞隆源(RUILON)半导体推出,采用SMB封装(DO-214AA),核心作用是快速响应电路中的瞬态过压脉冲,将电压钳位在安全范围内,保护后端敏感电子元器件免受损坏。作为过压防护领域的经典器件,其参数设计兼顾宽温适应性、高脉冲耐受能力与紧凑封装,适用于多类工业及消费电子场景。

二、关键电气参数解析

SMBJ7.5A的电气参数直接决定其防护性能,核心指标如下:

  1. 反向截止电压(Vrwm):7.5V
    器件正常工作时反向可承受的最大电压,此状态下无明显导通电流,保障电路供电稳定。
  2. 击穿电压(Vbr):9.58V
    反向电压达到该值时,器件启动雪崩击穿并快速导通,是防护功能的触发阈值。
  3. 钳位电压(Vc):12.9V
    峰值脉冲电流作用下,器件两端电压被钳位在此值,确保后端电路电压不超安全范围。
  4. 峰值脉冲电流(Ipp):46.6A
    基于10/1000μs脉冲波形(上升10μs、持续1000μs)的最大耐受电流,体现大电流瞬态防护能力。
  5. 峰值脉冲功率(Ppp):600W
    同波形下的最大瞬态功率,直接反映防护强度,可应对较强的过压冲击。
  6. 反向漏电流(Ir):100μA
    7.5V反向电压下的漏电流,低漏值保证正常工作时对电路干扰极小。
  7. 工作温度范围:-55℃~+150℃
    宽温设计适应极端环境,如工业低温/高温、汽车温差场景。

三、封装与物理特性

SMBJ7.5A采用SMB封装(DO-214AA),具有以下优势:

  • 体积紧凑:典型尺寸约2.4mm×5.9mm×1.0mm,适配高密度PCB布局,节省板级空间;
  • 安装便捷:兼容回流焊、波峰焊等表面贴装工艺,自动化生产效率高;
  • 机械可靠:封装结构坚固,可承受一定振动与冲击,满足工业级环境要求。

四、防护性能与标准合规

该器件符合国际EMC标准,防护能力覆盖两类核心干扰:

  1. IEC 61000-4-2(静电放电ESD):可有效抑制接触放电(±8kV)与空气放电(±15kV),避免静电损坏敏感电路;
  2. IEC 61000-4-4(电快速瞬变脉冲群EFT):抑制快速上升沿的脉冲群干扰,保障复杂电磁环境下电路稳定。
    标准合规性确保其在各类干扰场景下的防护有效性,降低系统故障与维护成本。

五、典型应用场景

基于参数与防护能力,SMBJ7.5A适用于以下场景:

  1. 工业控制:PLC输入输出接口、传感器信号电路、电机驱动模块的过压防护;
  2. 消费电子:手机、平板、笔记本的USB/音频接口(易受静电/脉冲干扰);
  3. 汽车电子:12V系统的车载传感器、中控面板接口(需配套汽车级认证);
  4. 通信设备:路由器、交换机、基站的电源/信号端口防护;
  5. 医疗设备:监护仪、输液泵的低电压敏感电路保护。

六、品牌与可靠性说明

瑞隆源(RUILON)是国内专注半导体保护器件的厂商,SMBJ7.5A经过严格可靠性测试:

  • 温度循环(-55℃~+150℃多次循环)、湿度老化(85℃/85%RH);
  • 机械振动/冲击测试、电参数老化;
  • 符合RoHS环保标准,无铅无卤,满足现代产业环保要求。
    产品可靠性与一致性有保障,可长期稳定应用于各类场景。

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