WMSIC Electronic Components

MDD SMBJ40CA

ModelSMBJ40CA
PackageSMB(DO-214AA)
BrandMDD
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
MDD SMBJ40CA
Type
MDD
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MDD
Electronic Component
SMBJ40CA
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.224g
Electronic Component
1
Electronic Component
BM0229465221
Operating Temperature
65℃~+150℃
Voltage
64.5V
Current(Ir)
1uA
Voltage(VBR)
49.1V
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.

产品概述:SMBJ40CA TVS二极管

SMBJ40CA是一款高性能的瞬态电压抑制(TVS)二极管,专为保护敏感电子设备免受电压瞬变和静电放电(ESD)事件的影响而设计。此组件广泛应用于各种电子产品中,帮助确保电路的安全和可靠性。以下是对SMBJ40CA的详细介绍。

1. 基本参数

  • 击穿电压(Vbr): 49.1V
  • 反向截止电压(Vrwm): 40V
  • 反向漏电流(Ir): 1µA(在Vrwm下)
  • 峰值脉冲功率(Ppp): 600W
  • 峰值脉冲电流(Ipp): 9.3A
  • 工作温度范围: -65℃至+150℃
  • 最大钳位电压: 64.5V
  • 封装类型: SMB(DO-214AA)
  • 品牌: MDD

2. 设计特点

SMBJ40CA采用SMB封装,具有优异的热管理性能和电气特性。这种封装形式不仅有助于降低散热,提高产品的可靠性,还避免了因环境因素导致的失效。此外,SMBJ40CA的工作温度范围宽广,适应各种严苛的工作环境,确保长时间稳定运行。当发生瞬态电压波动时,SMBJ40CA能够迅速响应,有效抑制过电压,保护下游的电子元器件。

3. 应用场景

SMBJ40CA广泛应用于多个领域,包括但不限于:

  • 消费电子: 如手机、平板、电视和其他家用电器中的电源接口和信号线保护。
  • 通讯设备: 保护网络设备、基站及其他通讯器材的敏感电路。
  • 汽车电子: 用于汽车电子控制模块中的过压保护,确保车载设备的安全性。
  • 工业设备: 保障工业控制系统的稳定性,防止电气干扰对设备操作的影响。

4. 性能优势

SMBJ40CA的主要优势包括:

  • 高功率处理能力: 其峰值脉冲功率可达600W,适合高能量瞬态脉冲的防护应用。
  • 超低漏电流: 仅为1µA,能够有效降低设备的待机功耗,提高整体能效。
  • 快速反应时间: 在电压尖峰到达时,SMBJ40CA能够瞬时响应并及时钳位,提供良好的保护作用。
  • 双向特性: 作为双向TVS二极管,适用于双向信号线的瞬态保护,能够确保在正、负脉冲幅度下均无失效风险。

5. 安装与使用注意事项

在实际应用中,SMBJ40CA的安装需要注意以下几点:

  • 正确选择PCB布局: 确保SMBJ40CA与敏感元件间的连接尽可能短,以减少引线电感;减少通路上的电阻,以提高瞬态响应性能。
  • 与其他保护器件配合: 在设计电路时,可以将SMBJ40CA与保险丝或其他保安器件配合使用,以实现更全面的保护方案。
  • 确保散热设计合理: 由于电力损耗和温度的升高可能会影响二极管的性能,设计时应考虑足够的散热措施。

6. 结论

SMBJ40CA是一款性能卓越的TVS二极管,凭借其高功率处理能力、极低漏电流和广泛的应用适应性,成为现代电子设备中瞬态保护的重要选择。它的可靠性和耐久性使其在快速发展的电子市场中持续受到青睐。

选择SMBJ40CA,意味着选择了更安全、更可靠的电子解决方案,为您的产品提供全方位的电气保护。无论是在设计阶段还是在实际应用中,SMBJ40CA都将是不可或缺的核心元件。

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