WMSIC Electronic Components

ST SMAJ48A-TR TVS Diode SMAJ48A

ST SMAJ48A-TR TVS Diode SMAJ48A
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Product image

ModelSMAJ48A-TR
PackageSMA(DO-214AC)
BrandST
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 Electronic Component

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Technical data

Product details

19 specifications

Core information

Product name
ST(STMicroelectronics) SMAJ48A-TR
Type
ST
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ST(STMicroelectronics)
Electronic Component
SMAJ48A-TR
Electronic Component
1
Package
SMA(DO-214AC)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.131g
Electronic Component
1
Electronic Component
BM0226328663
Operating Temperature
55℃~+150℃
Voltage
100V
Electronic Component
IEC 61000-4-5；IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
56.1V

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

SMAJ48A-TR 产品概述

产品简介

SMAJ48A-TR是一款高性能的齐纳二极管，专为电源线路保护和电压钳位应用而设计。这款器件来自意法半导体（STMicroelectronics），属于其广泛的瞬态电压抑制（TVS）二极管系列。SMAJ48A-TR的设计能够有效保护敏感电子设备，抵御高幅度瞬态电压冲击，从而延长设备的使用寿命并提高系统的可靠性。

基础参数

SMAJ48A-TR的关键参数包括：

  • 电压 - 反向断态（典型值）： 48V。此参数体现了该器件在常态下的额定电压。
  • 电压 - 击穿（最小值）： 53.3V。表示器件开始导通的最小反向电压，能够有效地钳制过电压以保护后续电路。
  • 电流 - 峰值脉冲（10/1000µs）： 23A（8/20µs）。能够承受的峰值脉冲电流使得该元件可以应对急速的电压变化。
  • 功率 - 峰值脉冲： 400W。具有较高的瞬时功率处理能力，确保其在瞬态条件下也能保持良好的性能。
  • 工作温度范围： -55°C ~ 150°C（TJ）。广泛的工作温度范围使其适用于各种严苛环境。

结构与封装

SMAJ48A-TR采用SMA（DO-214AC）表面贴装型封装，这种封装形式因其紧凑的体积和良好的散热性能而广泛应用于现代电子设备中。其表面贴装能力使得在多层电路板上的安装更为便捷，并有利于提升生产效率。

应用场景

SMAJ48A-TR的广泛应用涵盖了多个领域，主要包括：

  1. 电源线路保护： 最常见的应用场景是在电源线路中，为敏感电子系统提供过电压保护。这包括各种消费电子产品、通讯设备以及工业控制系统等。

  2. 瞬态电压抑制： SMAJ48A-TR特别适用于处理雷击、静电放电（ESD）等瞬态电压事件，能够有效钳制并消灭潜在的破坏性电流，从而保护下游电路不受损害。

  3. 一般用途电子设备： 此器件也可用于一般的电子设备，确保产品在不同工作环境中的稳定性和安全性。

性能优势

  1. 高压钳制能力： SMAJ48A-TR能够在瞬态事件中提供高效的钳制，最大钳位电压可达到100V。这意味着即便在高压瞬态情况下，后续电路得到的电压仍在安全范围内。

  2. 广泛的温度范围： 该器件不仅仅能够在常规环境中正常工作，在极端温度下同样具备良好的性能，从而适用于航空航天、汽车及工业自动化等领域。

  3. 高电流承载能力： 其23A的瞬时电流应对能力意味着，即使在高能量冲击事件中，器件也能维持其完整性，降低设备故障率。

总结

SMAJ48A-TR以其卓越的性能和可靠性成为电源线路保护及瞬态电压抑制的理想选择。无论是在消费者电子、通讯设备还是工业控制系统中，这款二极管都能有效防止过电压冲击带来的潜在损害。其便捷的表面贴装型封装和广泛的工作环境适应性，进一步增强了其市场竞争力。选择SMAJ48A-TR，您将为您的产品提供一层强有力的保护屏障。

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