WMSIC Electronic Components

RUILON SMCJ30CA

ModelSMCJ30CA
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 SMCJ30CA
Type
RUILON
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
SMCJ30CA
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
BM0264242134
Operating Temperature
55℃~+150℃
Voltage
48.4V
Current(Ir)
5uA
Voltage(VBR)
38.3V
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.

SMCJ30CA 瞬态抑制二极管(TVS)产品概述

一、产品基本定位

SMCJ30CA是瑞隆源(RUILON)推出的双向瞬态抑制二极管(TVS),属于表面贴装型过压防护器件。它专为电子电路中的瞬态浪涌防护设计,能快速响应雷击、静电放电(ESD)、电源尖峰等过压冲击,将电压钳位在安全范围,避免后端敏感元器件(如IC、传感器、显示模组等)损坏。其SMC(DO-214AB)封装适配高密度PCB设计,广泛应用于通信、消费电子、工业控制等领域,是性价比极高的过压防护解决方案。

二、核心电气参数深度解析

SMCJ30CA的参数针对实际应用场景做了精准优化,关键参数的实用意义如下:

  1. 极性与截止特性:采用双向极性设计,可同时防护正向和反向瞬态过压;反向截止电压(Vrwm)为30V,即正常工作时反向偏置下器件处于截止状态,漏电流极小,不影响电路正常运行。
  2. 钳位与击穿能力:击穿电压(Vbr)为38.3V,当电路过压时器件快速击穿导通;钳位电压(Vc)为48.4V,能将瞬态过压稳定在该值以内,确保后端器件不被击穿。
  3. 脉冲耐受极限:峰值脉冲电流(Ipp)达31A,峰值脉冲功率(Ppp)为1.5kW(测试波形为10/1000μs,即10μs上升沿、1000μs半峰值的标准浪涌波形),可应对常见的强浪涌冲击。
  4. 低功耗特性:反向漏电流(Ir)仅5μA,正常工作时功耗极低,不会额外增加电路负担,适配手机、可穿戴等低功耗设备需求。

三、封装与物理特性

SMCJ30CA采用SMC(DO-214AB)封装,这是行业内主流的小型化表面贴装封装,具有三大优势:

  • 体积紧凑:尺寸约3.2mm×2.7mm×1.7mm,适合手机、智能手表等小型化电子设备的高密度PCB设计;
  • 散热可靠:封装结构利于热量快速散发,可承受多次脉冲冲击后的热量积累,长期工作稳定性强;
  • 安装便捷:适配自动化贴片生产线,生产效率高;同时支持手工焊接(需控制烙铁温度≤350℃),兼容性好。

四、典型应用场景

结合SMCJ30CA的参数特点,其核心应用场景包括:

  1. 消费电子:手机、平板、笔记本的USB接口、充电端口、音频接口防护;智能穿戴设备(手表、耳机)的信号/电源端口防护;
  2. 通信设备:路由器、交换机、基站的以太网端口、射频接口及电源模块防护;光纤收发器、光模块的瞬态过压保护;
  3. 工业控制:PLC、传感器节点、电机驱动电路的电源端防护;工业物联网(IIoT)设备的信号与电源端口防护(适配-55℃~+150℃宽温);
  4. 低压汽车电子:12V车载电路(如车载充电器、中控屏接口)的瞬态过压防护(需确认产品汽车级认证适配性);
  5. 电源系统:开关电源、DC-DC转换器的输出端防护;电池管理系统(BMS)的电压监测端口防护。

五、可靠性与环境适应性

SMCJ30CA的可靠性经过严格测试,满足多场景需求:

  • 宽温工作:-55℃+150℃的温度范围,覆盖工业级(-40℃+85℃)及部分汽车级(-55℃~+125℃)环境,可在极端温度下稳定运行;
  • 重复冲击能力:TVS为可重复使用器件,SMCJ30CA可承受多次瞬态脉冲冲击(需控制冲击频率≤1次/分钟),长期可靠性高;
  • 参数一致性:瑞隆源采用成熟生产工艺,批量器件的参数偏差小,无需额外筛选,降低采购与生产难度。

六、品牌与品质保障

SMCJ30CA由国内知名过压防护厂商**瑞隆源(RUILON)**生产,该品牌专注于TVS、压敏电阻等器件的研发10余年,产品符合RoHS、REACH等环保标准,通过ISO9001质量管理体系认证。其器件广泛应用于华为、小米、中兴等企业的终端产品,品质得到市场验证。

总结

SMCJ30CA凭借双向防护、宽温特性、小型化封装及高脉冲耐受能力,成为电子电路过压防护的高性价比选择,适配多领域应用需求,是工程师设计防护电路时的常用器件之一。

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