WMSIC Electronic Components

Jingdao Microelectronics SMAJ28A

ModelSMAJ28A
PackageSMA
BrandElectronic
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
Electronic SMAJ28A
Type
Jingdao Microelectronics
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic
Electronic Component
SMAJ28A
Electronic Component
1
Package
SMA
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.12g
Electronic Component
1
Electronic Component
BM0219840085
Operating Temperature
65℃~+150℃
Voltage
45.4V
Current(Ir)
1uA
Voltage(VBR)
34.4V
Electronic Component
Electronic Component
Electronic Component
5000

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:SMAJ28A TVS二极管

一、产品简介

SMAJ28A是一款高性能的瞬态电压抑制(TVS)二极管,广泛应用于电气设备和电子系统中的过电压保护。作为一款SMA封装(DO-214AC)的TVS二极管,SMAJ28A在保护敏感电子元件免受过电压冲击方面表现优秀。该器件由晶导微电子制造,具备良好的稳定性和可靠性,适用于各种工业和消费电子产品。

二、关键特性

  1. 高额定工作电压:SMAJ28A的最大反向工作电压(U_R)为28V,适合在各种高电压环境中使用,能够有效保护负载避免过压损毁。

  2. 快速响应时间:该二极管具备极佳的瞬态响应特性,能够在瞬态过电压事件发生的微秒级别内迅速反应,从而为敏感器件提供即时保护。

  3. 较低的钳位电压:在过压条件下,SMAJ28A能迅速将过电压钳制到一个较低的水平,减少对负载的影响,保护设备的正常运行。

  4. 高功率处理能力:其能够处理高达600W的峰值脉冲功率,确保在极端条件下仍能保持良好的保护性能。

  5. 温度范围广:能够在-55°C到+150°C的环境温度范围内稳定工作,适应各种恶劣工作环境。

  6. 低泄漏电流:在正常工作状态下,SMAJ28A的泄漏电流非常低,避免了电能的不必要损耗,提升了设备的能效。

三、应用领域

SMAJ28A TVS二极管可广泛应用于多个领域,具体包括但不限于:

  1. 通信设备:在数据通讯和信号传输中,保护通信模块防止瞬时过压。

  2. 消费电子:如智能手机、平板电脑、家电等产品中,提供过电压保护以防止电路损坏。

  3. 汽车电子:在现代汽车电气系统中,防止因电源瞬变或雷击引起的电压过高。

  4. 电源管理:在电源适配器或转换器中,防止电压尖峰对负载造成伤害。

  5. 工业设备:用于各种工业控制系统,保护敏感电子设备免受电压瞬变的影响。

四、安装与设计考虑

在设计电路时,用户需注意SMAJ28A的极性,以确保其正确安装在电路中。此外,二极管的布局应尽量接近需要保护的负载,以缩短信号路径,降低寄生电感,从而提高保护效果。

在选择TVS二极管时,还需要考虑到电路的工作峰值电压、预期的过压情况以及可能的工作环境,以便合理选型,确保系统的长期稳定性和可靠性。

五、总结

总之,SMAJ28A TVS二极管以其出色的过电压保护性能、广泛的应用领域和稳定的性能,成为现代电子设备中不可或缺的重要保护元件。晶导微电子在制造方面的经验和技术,使得SMAJ28A能够满足多种应用需求,为用户提供了一种高效的解决方案。为了确保电子设备的安全及稳定运行,合理选用SMAJ28A,将为设计者和用户提供极大的便利与保障。

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