WMSIC Electronic Components

Littelfuse SMCJ24A

Littelfuse SMCJ24A
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Product image

ModelSMCJ24A
PackageDO-214AB
BrandLittelfuse
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+

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Technical data

Product details

20 specifications

Core information

Product name
Littelfuse SMCJ24A
Type
LITTELFUSE
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
LITTELFUSE
Electronic Component
SMCJ24A
Electronic Component
1
Package
DO-214AB
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.369g
Electronic Component
1
Electronic Component
BM0000282424
Operating Temperature
65℃~+150℃
Voltage
38.9V
Electronic Component
IEC 61000-4-4；IEC 61000-4-2
Current(Ir)
1uA

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

SMCJ24A 产品概述

一、产品简介

SMCJ24A 是一款高性能的瞬态电压抑制器 (Transient Voltage Suppressor, TVS) 二极管，专为保护敏感的电子设备免受瞬间电压尖峰损害而设计。作为一种单向通道的保护元器件，SMCJ24A 在反向电压为 24V 的情况下可以有效地钳制电压，避免过电压可能对电路造成的破坏。该器件在多种应用场景中得到了广泛的应用，特别是电源线路和通信线路的过压保护。

二、主要规格及特性

  1. 极性: SMCJ24A 采用单向设计 (Unidirectional)，意味着其仅在一个方向上导通，从而可以有效避免反向电流引起的干扰。

  2. 击穿电压: 该器件的击穿电压最低为 26.7V，确保在施加过高电压时，可以迅速进入钳制状态以保护后端电路。

  3. 反向关断电压: 该器件的典型反向关断电压为 24V，确保在工作状态下可以持续稳定地支持该电压水平。

  4. 峰值脉冲电流: 在 10/1000 微秒的测试条件下，SMCJ24A 能承受的峰值脉冲电流为 38.6A，适合需要处理瞬态电流并对尖峰电压有极高要求的应用场合。

  5. 箝位电压: 当瞬态电压发生时，SMCJ24A 可以将电压箝位至 38.9V，确保后端电路元件不会受到影响。

  6. 功率处理能力: 最大峰值脉冲功率达 1500W（1.5kW），在高能量瞬态事件中，仍能保持稳定工作，确保电路不受损害。

  7. 工作温度范围: 该器件设计的工作温度范围为 -55°C 至 150°C（TJ），适用于各种严苛环境下的应用。

  8. 封装类型: SMCJ24A 采用 DO-214AB（SMC）封装形式，支持表面贴装（SMD），方便在现代电子设备的小型化设计中应用。

三、应用场景

SMCJ24A 可广泛应用于以下领域：

  1. 电源保护: 适合电源模块、电池管理系统等设备的瞬态过压保护。

  2. 通信设备: 特别是对数据线和信号线进行瞬间电压钳制，以避免静电和电磁干扰带来的信号失真或设备损坏。

  3. 消费电子: 音频、视频设备和家电等，保护内部电路不受瞬态过压影响。

  4. 汽车电子: 在汽车电子系统中，如车载多媒体系统、传感器等，SMCJ24A可供电路过电压保护。

  5. 工业自动化: 工业设备、控制装置中，防止高压瞬态对控制电路造成干扰和误动作。

四、总结

作为电子元器件中的关键保护元件，SMCJ24A 的高性能瞬态电压抑制特性使其在各种应用领域均能够发挥重要作用。其单向通道设计、适中的击穿电压以及强大的峰值电流处理能力，保障了设备在不同应用环境中的安全性和稳定性。无论是在严苛的工作条件下，还是在日常的电源稳压应用中，SMCJ24A 都是一款值得信赖的保护器件，为现代电子产品提供可靠的安全防护。

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