WMSIC Electronic Components

Brightking SMCJ9.0CA

ModelSMCJ9.0CA
PackageSMC(DO-214AB)
BrandBrightking
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
Brightking SMCJ9.0CA
Type
BRIGHTKING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SMCJ9.0CA
Electronic Component
1
Package
SMC(DO-214AB)
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.38g
Electronic Component
1
Electronic Component
BM0265147992
Operating Temperature
65℃~+150℃
Voltage
15.4V
Current(Ir)
10uA
Voltage(VBR)
10V
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.

Brightking SMCJ9.0CA TVS二极管产品概述

Brightking(台湾君耀)SMCJ9.0CA是一款专为低压电路设计的瞬态抑制二极管(TVS),采用SMC(DO-214AB)表面贴装封装,具备宽温度范围、高抗浪涌能力等特点,是各类电子设备过压防护的常用器件。

一、产品定位与核心价值

SMCJ9.0CA属于TVS二极管中的"瞬态浪涌吸收型"器件,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,避免后端敏感电子元件(如IC、传感器、电容等)因过压损坏。其设计针对9V以下工作电压的电路,平衡了防护性能与电路兼容性,是消费电子、工业控制等领域的高性价比防护方案。

二、关键参数深度解析

该器件的核心参数直接决定了防护能力,需重点关注以下指标:

1. 电压类参数

  • 反向截止电压(Vrwm):9V
    是器件正常工作时允许施加的最大反向电压,此时器件处于截止状态,漏电流极小,不影响电路正常运行。需注意:电路工作电压需≤9V,避免器件反向导通。

  • 击穿电压(Vbr):10V
    反向电压达到此值时,器件开始雪崩击穿,进入防护工作状态,此值略高于Vrwm,保证正常工作与防护的切换可靠性。

  • 钳位电压(Vc):15.4V
    是器件承受峰值脉冲电流时的电压上限,也是实际防护的关键值——需确保被保护元件的最大耐压高于15.4V,否则仍可能损坏。

2. 电流与功率参数

  • 峰值脉冲电流(Ipp):97.4A
    单次10/1000us浪涌波形下,器件能承受的最大脉冲电流,反映抗大电流冲击能力。

  • 峰值脉冲功率(Ppp):1.5kW(10/1000us)
    浪涌功率能力,10/1000us是行业标准浪涌波形(上升沿10μs,半峰值持续1000μs),此参数需匹配实际应用中的浪涌能量需求。

3. 其他关键参数

  • 反向漏电流(Ir):10μA
    Vrwm下的反向漏电流,数值极小,不会对电路功耗造成明显影响。

  • 工作温度范围:-65℃~+150℃
    宽温度范围覆盖了工业级(-40~+85℃)、汽车级(部分场景)及极端环境,适应不同应用场景的温度变化。

三、封装与品牌背书

1. 封装特点

SMCJ9.0CA采用SMC(DO-214AB)表面贴装封装,尺寸小巧(约3.2×2.5×1.6mm),适合高密度PCB设计,支持自动化贴装,焊接可靠性高。

2. 品牌优势

Brightking(台湾君耀)是全球知名的防护器件制造商,产品符合RoHS、REACH等环保标准,一致性好,在电子防护领域拥有成熟的技术积累,被广泛应用于工业、消费、通信等行业。

四、典型应用场景

SMCJ9.0CA的参数特性使其适用于以下场景:

  1. 消费电子:手机、平板、笔记本的充电接口、USB数据端口防护;
  2. 工业控制:PLC输入输出端口、传感器接口、低压电源模块防护;
  3. 通信设备:路由器、交换机的以太网端口、电源输入端防护;
  4. 汽车电子:部分低压(12V以下)汽车电路(如车载显示屏、传感器)的浪涌防护(需确认温度与可靠性要求);
  5. 电源模块:DC-DC转换器输出端(3.3V/5V)的过压防护。

五、性能优势总结

  1. 防护响应快:TVS二极管的响应时间仅为ns级,能瞬间抑制瞬态脉冲;
  2. 宽温适应性:-65℃~+150℃覆盖极端环境,满足工业与部分汽车场景;
  3. 高性价比:SMC封装成本低,性能稳定,适合批量应用;
  4. 兼容性强:低漏电流不影响电路正常工作,9V截止电压匹配主流低压电路;
  5. 抗浪涌能力强:1.5kW脉冲功率与97.4A峰值电流,可应对常见浪涌冲击。

六、选型与使用注意事项

  1. 电压匹配:确保电路工作电压≤9V,避免器件反向导通;
  2. 钳位电压验证:被保护元件的最大耐压需高于15.4V,否则需选择更高规格的TVS;
  3. 浪涌匹配:确认实际应用中的浪涌能量不超过1.5kW(10/1000us);
  4. 温度环境:若应用场景温度超出-65~+150℃,需更换对应规格器件;
  5. 焊接要求:采用回流焊工艺,避免手工焊接温度过高损坏器件。

该器件凭借稳定的防护性能与灵活的应用场景,成为低压电路过压防护的经典选择,适合各类需要高可靠性防护的电子设备设计。

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