WMSIC Electronic Components

MSKSEMI SMF28A

ModelSMF28A
PackageSOD-123FL
BrandMSKSEMI
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MSKSEMI SMF28A
Type
MSKSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MSKSEMI
Electronic Component
SMF28A
Electronic Component
1
Package
SOD-123FL
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.041g
Electronic Component
1
Electronic Component
BM0069166132
Operating Temperature
55℃~+150℃
Voltage
45.4V
Current(Ir)
1uA
Voltage(VBR)
31.1V
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.

SMF28A 产品概述

一、产品简介

SMF28A 是美森科(MSKSEMI)公司推出的一款高性能瞬态电压抑制二极管(TVS Diode),该产品采用 SOD-123FL 封装,旨在为各种电子设备提供高效的瞬态电压保护。SMF28A 的设计目标是有效抑制由静电放电(ESD)、电压浪涌和其他瞬态电压引起的损伤,确保电路的稳定性与可靠性。

二、封装与外形规格

SMF28A 采用 SOD-123FL 封装,这是一种表面贴装封装类型,其尺寸小巧,适合高密度安装。SOD-123FL 封装的优点包括:

  • 小尺寸:适用于空间受限的电子设备,有效节省电路板面积。
  • 轻量化:在不增加产品重量的前提下,助力便携式设备的设计。
  • 热性能优越:良好的热导率,能够快速散热,延长产品使用寿命。

三、技术参数

SMF28A 的关键技术参数包括:

  • 峰值反向电压(VR):28V
  • 峰值脉冲功率(PPP):通常在几千瓦级别,能够有效吸收瞬态电压。
  • 工作温度范围:-55°C 至 +150°C,适用于各种环境条件。
  • 低泄漏电流:确保在正常工作条件下对电路的影响最小。
  • 反向击穿电压(VBR):在特定测试条件下,其击穿电压稳定,确保保护效果。

四、应用场景

SMF28A 的性能特性使其适合广泛的应用场景,包括但不限于:

  1. 数码设备:如智能手机、平板电脑及其他便携式设备,需有效防护外部冲击带来的瞬态电压。
  2. 工业自动化:在工业控制系统中,设备常常受到电压尖峰影响,使用 SMF28A 可以提高系统的抗干扰能力。
  3. 通信设备:在网络设备和通信基站中,防止高频信号引发的电压波动损害敏感部件。
  4. 汽车电子:为汽车中的电子控制单元(ECU)和传感器提供可靠的电压保护。
  5. 家用电器:在厨房电器、洗衣机、空调等设备中,保护敏感元件抵御电压瞬变。

五、安装与注意事项

为确保 SMF28A 的最佳性能,安装时需关注以下几点:

  • 正确的极性:尽管瞬态保护二极管通常是非极性的,但在复杂电路中,确保其在正确的位置能更有效地保护被保护的电路。
  • PCB布局设计:为了降低寄生电感和电阻对瞬态响应的影响,建议将其尽量靠近被保护元件安装,以减少信号路径。
  • 热管理:在高功率应用中,关注 SMF28A 的散热性能,确保其工作温度在推荐范围内以避免失效。

六、总结

SMF28A 作为一款先进的瞬态电压抑制二极管,凭借其出色的技术参数和广泛的应用场景,正在成为多个电子领域中不可或缺的保护元件。其小巧的 SOD-123FL 封装和稳定的性能,使其非常适合现代电子产品的设计需求,为消费者和生产商提供了可靠的电压保护解决方案。随着电子技术的不断进步,SMF28A 在未来的应用场景中将发挥越来越重要的作用。

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