WMSIC Electronic Components

YANGJIE SMCJ30A

ModelSMCJ30A
PackageDO-214AB(SMC)
BrandYANGJIE
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+

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Technical data

Product details

13 specifications

Core information

Product name
YANGJIE SMCJ30A
Type
DO-214AB(SMC)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
SMCJ30A
Electronic Component
1
Package
DO-214AB(SMC)
Electronic Component
0.374g
Electronic Component
1
Electronic Component
BM0264756118
Electronic Component
Electronic Component
Electronic Component
3000

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

SMCJ30A TVS瞬态抑制二极管产品概述

SMCJ30A是扬杰电子推出的表面贴装瞬态抑制二极管(TVS),采用DO-214AB(SMC)封装,专为电子设备的静电放电(ESD)和瞬态浪涌过压防护设计,可快速吸收电路尖峰脉冲,保护敏感元器件免受损坏,广泛适配消费电子、工业控制、通信等多领域应用场景。

一、产品核心功能定位

作为TVS器件,SMCJ30A的核心作用是纳秒级响应瞬态过压:当电路出现静电放电(人体接触、设备插拔)或瞬态浪涌(电源开关、雷击感应)时,器件从高阻态迅速转为低阻态,将过电压钳位在安全范围,避免后端IC、传感器等元件因过压击穿或热损坏。

二、关键电气参数解析

SMCJ30A的参数针对过压防护需求精准设计,核心参数如下:

1. 反向截止电压(Vrwm)

反向截止电压为30V,是器件正常反向工作时允许施加的最大直流电压——此时器件处于高阻态,漏电流极小,不影响电路正常运行,确保设备在额定电压下稳定工作。

2. 击穿电压(Vbr)

典型击穿电压为36.8V,是器件从高阻态转为低阻态的临界电压。当电路电压超过该值时,器件迅速导通,启动过压防护,击穿电压的稳定性直接决定防护响应的一致性。

3. 钳位电压(Vc)

钳位电压为48.4V(对应峰值脉冲电流),是器件导通后限制的最高电压——该值远低于后端敏感元件的击穿阈值(多数IC过压阈值≥50V),可有效隔离过压冲击。

4. 峰值脉冲能力

  • 峰值脉冲电流(Ipp):31A@10/1000μs波形(前沿10μs、半峰值1000μs),代表器件能承受的最大瞬态电流;
  • 峰值脉冲功率(Ppp):1.5kW@10/1000μs,是脉冲电流与钳位电压的乘积,覆盖多数日常场景的浪涌强度。

5. 反向漏电流(Ir)

反向漏电流仅5μA(在Vrwm下),漏电流极小意味着器件正常工作时功耗可忽略,不影响电路效率,同时降低自身发热风险。

三、封装与物理特性

SMCJ30A采用DO-214AB(SMC)表面贴装封装,具有以下优势:

  • 体积小巧:适配手机、平板等紧凑空间的小型化设计;
  • 工艺兼容:支持自动贴装(SMT),适合大规模量产,降低制造成本;
  • 机械可靠:封装结构稳定,抗振动、抗冲击能力强,满足工业环境严苛要求。

四、应用场景覆盖

结合参数特性,SMCJ30A适用于以下典型场景:

  1. 消费电子:手机、笔记本、智能穿戴的电源/信号端,防护ESD及电源开关浪涌;
  2. 工业控制:PLC、传感器、电机驱动电路,应对工业现场电磁干扰与浪涌;
  3. 通信设备:路由器、交换机、基站接口,防护雷击感应浪涌与ESD;
  4. 宽温场景:车载充电器、户外传感器,适配-55℃~+150℃极端环境。

五、可靠性与品牌保障

SMCJ30A的可靠性表现突出:

  • 宽温工作:-55℃~+150℃温度范围,覆盖南北冬季、高温车间等极端环境;
  • 多次脉冲耐受:TVS固有特性使其可承受数千次瞬态脉冲,性能无明显衰减;
  • 扬杰品质:国内知名半导体厂商产品,经过温度循环、湿度老化等严格测试,质量稳定。

总结

SMCJ30A以精准的过压防护参数、小巧SMC封装、宽温适应性,成为电子设备过压防护的高性价比选择。无论是消费电子的ESD防护,还是工业场景的浪涌抑制,均能提供可靠安全保障,适配多领域设计需求。

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