WMSIC Electronic Components

RUILON SMCJ7.0CA

ModelSMCJ7.0CA
PackageSMC(DO-214AB)
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 SMCJ7.0CA
Type
RUILON
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
SMCJ7.0CA
Electronic Component
1
Package
SMC(DO-214AB)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.398g
Electronic Component
1
Electronic Component
BM0264919851
Operating Temperature
55℃~+150℃
Voltage
12V
Current(Ir)
200uA
Voltage(VBR)
8.6V
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.

SMCJ7.0CA 瞬态抑制二极管(TVS)产品概述

SMCJ7.0CA是瑞隆源(RUILON)推出的一款双向瞬态抑制二极管(TVS),采用SMC(DO-214AB)贴片封装,专为电子设备的瞬态过压防护设计。该器件可快速响应静电放电(ESD)、雷击浪涌、电磁干扰(EMI)等瞬态干扰,将电压钳位在安全范围内,有效保护敏感电路免受损坏,具备高性价比、宽温适配等特点,广泛应用于多领域电子系统。

一、产品基本定位与核心属性

SMCJ7.0CA属于双向TVS管,无需区分正负极即可安装,适配各类电路的极性需求;核心功能是瞬态过压防护,通过在过压发生时快速导通,将过压能量泄放到地,避免后级芯片、电路被击穿。其定位覆盖消费电子、工业控制、汽车电子等中低功率防护场景,满足主流设备的抗干扰要求。

二、核心电气参数详解

SMCJ7.0CA的关键参数直接决定其防护能力,具体解析如下:

  1. 反向截止电压(Vrwm):7V
    电路正常工作时,器件可承受的最大反向电压(无导通),需确保被保护电路的正常电压≤7V,避免反向漏电流过大影响电路性能。
  2. 钳位电压:12V
    瞬态过压出现时,器件将电压钳位在12V以内(典型值),是保护后级电路的核心指标——后级敏感元件的耐压需≥12V,才能被有效防护。
  3. 峰值脉冲电流(Ipp):125A@10/1000μs
    采用10/1000μs浪涌波形(上升时间10μs、半峰值时间1000μs)时,器件可承受的最大脉冲电流,代表其浪涌耐受能力,可应对中等强度的雷击或电源浪涌。
  4. 峰值脉冲功率(Ppp):1.5kW@10/1000μs
    对应脉冲电流下的功率(计算:125A×12V=1500W),明确了器件的最大防护功率边界,超出此范围可能导致器件损坏。
  5. 击穿电压:8.6V
    反向电压达到此值时,器件开始导通(介于Vrwm与钳位电压之间),确保过压时快速响应,无明显延迟。
  6. 反向漏电流(Ir):200μA
    Vrwm(7V)下的反向漏电流,数值较小,说明器件反向截止性能良好,正常工作时不会因漏电流影响电路功耗。

三、封装与物理特性

SMCJ7.0CA采用SMC(DO-214AB)贴片封装,属于小型化表面贴装封装,具有以下优势:

  • 尺寸紧凑:典型尺寸为长5.0mm×宽3.2mm×高2.0mm,适合高密度PCB设计,节省电路板空间;
  • 贴装适配:支持自动化SMT贴装,生产效率高,适合批量生产;
  • 机械可靠性:环氧树脂封装材料具备良好的绝缘性、耐腐蚀性和机械强度,可承受焊接高温(如回流焊)。

四、典型应用场景

SMCJ7.0CA的参数特性使其适配多类电子设备的防护需求,核心应用包括:

  1. 消费电子:智能手机、平板电脑、笔记本电脑的USB、HDMI、音频接口防护,防止静电放电损坏接口芯片;
  2. 工业控制:PLC、传感器、电机驱动电路的瞬态防护,应对工业环境中的电磁干扰和电源浪涌;
  3. 汽车电子:车载信息娱乐系统、胎压监测传感器、摄像头模块的防护,适应-55℃~150℃的宽温环境;
  4. 通信设备:路由器、交换机、基站的以太网接口、电源输入防护,抑制雷击浪涌和静电干扰;
  5. 电源系统:DC-DC转换器、电池管理系统(BMS)的输入输出端防护,防止瞬态过压击穿功率器件。

五、环境适应性与可靠性

SMCJ7.0CA的工作温度范围为**-55℃+150℃**,覆盖了工业级(-40℃+85℃)和汽车级(-55℃+125℃/150℃)的温度要求,可在极端温度环境下稳定工作;存储温度可达-65℃+175℃(行业标准),耐温性能优异,适合恶劣环境应用。此外,器件通过了常规可靠性测试(如焊接可靠性、温度循环测试),可满足长期使用需求。

六、使用注意事项

为确保SMCJ7.0CA的防护效果,需注意以下要点:

  1. 并联安装:TVS管需并联在被保护电路两端(电源端与地、信号端与地),串联无效;
  2. 电压匹配:被保护电路的正常工作电压需≤Vrwm(7V),避免反向漏电流过大;
  3. 极性确认:双向极性无需区分正负极,安装时可直接贴装,无需担心反接损坏;
  4. 功率适配:需根据电路可能出现的最大浪涌功率选择,SMCJ7.0CA的1.5kW脉冲功率适用于中等强度防护场景;
  5. 焊盘设计:PCB焊盘需符合DO-214AB封装标准,确保焊接可靠性,避免虚焊影响防护效果。

总结

SMCJ7.0CA作为一款高性价比的双向TVS管,凭借双向极性、125A峰值脉冲电流、-55℃~+150℃宽温范围和SMC贴片封装,成为电子设备瞬态过压防护的理想选择。其覆盖消费电子、工业控制、汽车电子等多领域,可有效提升设备的抗干扰能力和可靠性,降低因瞬态干扰导致的故障风险。

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