WMSIC Electronic Components

MDD SMAJ28A

ModelSMAJ28A
PackageDO-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 Option 138078

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
MDD SMAJ28A
Type
MDD
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MDD
Electronic Component
SMAJ28A
Electronic Component
1
Package
DO-214AC
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.099g
Electronic Component
1
Electronic Component
BM0265714276
Operating Temperature
65℃~+150℃
Voltage
45.4V
Current(Ir)
1uA
Voltage(VBR)
34.4V
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:SMAJ28A TVS二极管

一、产品简介

SMAJ28A是一种专业设计的瞬态电压抑制器(TVS),广泛应用于静电放电(ESD)和浪涌保护的场合。这种二极管的核心功能是保护电路免受瞬态过电压的损害,同时提供可靠的性能和极高的耐用性。其最大击穿电压为34.4V,反向工作电压Vrwm为28V,反向漏电流仅为1μA,大大降低了对电路的影响。SMAJ28A采用DO-214AC封装,方便集成到各种电子设备中。

二、技术规格

SMAJ28A的主要技术参数如下:

  • 击穿电压:34.4V
  • 反向截止电压 (Vrwm):28V
  • 反向漏电流 (Ir):1μA
  • 峰值脉冲功率 (Ppp):400W
  • 峰值脉冲电流 (Ipp):8.8A
  • 最大钳位电压:45.4V
  • 工作温度范围:-65℃至+150℃
  • 产品类型:TVS二极管
  • 封装类型:DO-214AC
  • 品牌:MDD

这些参数共同定义了SMAJ28A在极端条件下的性能,确保其在各种应用下的可靠性和有效性。

三、工作原理

SMAJ28A TVS二极管通过在瞬态过电压事件发生时迅速导通,从而把多余的电压引导至地线。与普通二极管不同的是,TVS二极管能够在极短的时间内响应电压突变,其反应时间通常在皮秒级别,有效地保护下游器件。

一旦电压超过其击穿电压,TVS 二极管便会被驱动进入导通状态,形成一个低阻抗的通路,将过量电压有效钳制在最大钳位电压(45.4V)下,从而保障电路中的敏感组件不会受到损害。

四、应用领域

SMAJ28A广泛应用于各种产品及领域,包括:

  • 消费电子:如手机、平板电脑、笔记本电脑等移动设备,保护内部电路免受静电放电和电涌的影响。
  • 通信设备:确保数据传输的稳定性,防止瞬态过压导致的电路故障。
  • 工业控制:在生产自动化设备和过程控制系统中,防止外部电气干扰对系统稳定性的影响。
  • 汽车电子:保护汽车的电子控制单元(ECU)免受瞬间过压事件,确保车辆的安全与可靠性。

五、优势和特性

  1. 高效保护:SMAJ28A的极低漏电流确保在正常工作条件下几乎不影响电路性能,从而提升系统的整体效率。

  2. 宽工作温度范围:其工作温度范围从-65℃到+150℃,使得SMAJ28A能够在各种恶劣环境中稳定工作,适用于工业和汽车等应用场合。

  3. 高脉冲承载能力:该元件能够承受高达400W的峰值脉冲功率和8.8A的峰值脉冲电流,使其在面对较为严峻的瞬态事件时依旧可靠。

  4. 小体积与简易集成:DO-214AC封装为设计师提供了便捷的安装方式,允许其在空间有限的情况下,还能实现有效保护。

六、总结

总之,SMAJ28A作为一款高性能的TVS二极管,以其优异的电气特性和广泛的应用范围,将在现代电子设备中发挥极其重要的保护作用。无论是在家庭、工业还是汽车领域,SMAJ28A都能高效地为电路提供瞬态电压保护,是保证设备安全可靠运行的重要组成部分。通过采用SMAJ28A,设计师能够大幅提高其产品的抗干扰性能和稳定性。

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