WMSIC Electronic Components

MDD SMAJ40CA

ModelSMAJ40CA
PackageSMA(DO-214AC)
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 SMAJ40CA
Type
MDD
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MDD
Electronic Component
SMAJ40CA
Electronic Component
1
Package
SMA(DO-214AC)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.094g
Electronic Component
1
Electronic Component
BM0229465217
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:SMAJ40CA TVS二极管

1. 引言

SMAJ40CA是一款双向瞬态电压抑制二极管(TVS),专门设计用于保护电子设备免受电压瞬变、静电放电(ESD)和浪涌电压的潜在威胁。该产品广泛应用于各种电子设备,包括计算机周边设备、通信设备、汽车电子以及其他对电压波动敏感的电路。

2. 基本参数

SMAJ40CA的关键规格包括:

  • 击穿电压:49.1V
  • 反向截止电压 (Vrwm):40V
  • 反向漏电流 (Ir):1μA
  • 峰值脉冲功率 (Ppp):400W
  • 峰值脉冲电流 (Ipp):6.2A
  • 工作温度范围:-65℃至+150℃
  • 最大钳位电压:64.5V

由于其设计,SMAJ40CA能够快速响应电压尖峰,以在瞬间限制电压,防止对后端电路的损害。

3. 结构与封装

SMAJ40CA采用DO-214AC封装,此封装形式具有良好的散热性能,适合在较高功率条件下工作。其紧凑的构造使其易于集成到各种电路板设计中,同时也确保了其耐久性和可靠性。这种封装形式还特别适合需要密集布线或空间有限的应用场景。

4. 工作原理

当电路中的电压出现瞬态尖峰时,SMAJ40CA TVS二极管会迅速导通,将过高的电流引导至地线,从而保护后续电路中的敏感元件。由于其低反向漏电流(1μA),在正常工作状态下,可以有效地避免电路工作效率的下降。其高击穿电压(49.1V)和峰值脉冲功率(400W)使其能够应对较为严苛的瞬态电压环境。

5. 应用场景

SMAJ40CA广泛用于各种电子产品中的保护电路,特别是在以下领域:

  • 计算机应用:在计算机主板和外围设备(如打印机、扫描仪)中,SMAJ40CA可以有效防止由于静电放电或电源浪涌引起的损坏。
  • 通信设备:在网络设备、调制解调器和电话设备中,SMAJ40CA帮助保护敏感的信号线路,确保通信的稳定性。
  • 汽车电子:随着汽车电子化的发展,SMAJ40CA可应用于汽车中的控制单元、传感器等,抵抗由于启动、熄火等因素引起的电压尖峰。
  • 工业设备:在工业控制系统中,SMAJ40CA提供对高压转矩器、传感器和执行器的有效保护,确保正常运行和设备的长久使用。

6. 结论

SMAJ40CA TVS二极管以其优异的瞬态电压抑制性能和广泛的应用适应性,成为电子行业中不可或缺的保护元件。无论是在消费电子、通信、汽车还是工业应用中,其高可靠性和稳定性使得SMAJ40CA在保护电路设计中拥有极大的价值。选择SMAJ40CA,将为您的电子产品提供最佳的保护方案,延长设备的使用寿命并提高整体性能。

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