WMSIC Electronic Components

Jingdao Microelectronics SMF30A

ModelSMF30A
PackageSOD-123FL
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Electronic SMF30A
Type
Jingdao Microelectronics
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic
Electronic Component
SMF30A
Electronic Component
1
Package
SOD-123FL
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0224625305
Operating Temperature
55℃~+150℃
Voltage
48.4V
Current(Ir)
1uA
Voltage(VBR)
36.8V
Electronic Component
Electronic Component
Electronic Component
3000

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

SMF30A TVS二极管产品概述

概要

SMF30A 是一种由晶导微电子生产的静电和浪涌保护(TVS/ESD)二极管,专门设计用于保护电子设备免受静电放电(ESD)和瞬时浪涌电流的损害。以下是对 SMF30A 产品的详细介绍。

基础参数

  • 击穿电压(Vc): 33.3V
    • 这是指在正常工作条件下,二极管开始导通的电压阈值。
  • 反向截止电压(Vrwm): 30V
    • 这是指二极管在反向偏置状态下可以承受的最大持续电压。
  • 反向漏电流(Ir): 1uA
    • 在指定的反向截止电压下,通过二极管的微小电流。
  • 峰值脉冲功率(Ppp): 200W
    • 二极管可以在短时间内承受的最大功率,通常用于描述其对瞬时浪涌的耐受能力。
  • 峰值脉冲电流(Ipp): 4.1A
    • 二极管可以在短时间内承受的最大电流,反映其对高峰值电流的处理能力。
  • 最大钳位电压: 48.4V
    • 当二极管开始导通并限制输入电压时,输出端的最大电压值。

类型和封装

  • 类型: TVS (Transient Voltage Suppressor)
    • 用于保护电子设备免受瞬时高压的影响。
  • 封装: SOD-123FL
    • 小型化的封装形式,适合于空间有限的应用场景。

应用场景

SMF30A TVS二极管广泛应用于各种需要保护电子设备免受静电和浪涌影响的场景,包括但不限于:

  • 通信设备: 手机、无线路由器、调制解调器等。
  • 工业控制系统: PLC、传感器、执行器等。
  • 汽车电子: 汽车音响系统、导航系统、安全系统等。
  • 消费电子: 电视机、音响设备、家用电器等。
  • 医疗设备: 医疗监测设备、手术设备、诊断设备等。

工作原理

SMF30A 作为一种单向TVS二极管,其主要功能是当输入电压超过其反向截止电压时,迅速导通并将过高的电压钳制在安全范围内,从而保护后级电子元器件免受损害。这种机制确保了设备在面临意外的高压冲击时能够保持正常运行。

优势

  1. 高峰值脉冲功率和电流能力:
    • SMF30A 可以承受高达200W的峰值脉冲功率和4.1A的峰值脉冲电流,这使得它特别适合于需要处理高能量浪涌的应用。
  2. 低反向漏电流:
    • 仅1uA的反向漏电流意味着在正常工作状态下,SMF30A 对系统的能量消耗非常小。
  3. 紧凑的封装:
    • 采用SOD-123FL封装,使得SMF30A非常适合于空间有限的设计,提高了整体系统的集成度和可靠性。
  4. 快速响应时间:
    • 作为TVS二极管,SMF30A 具有极快的响应时间,可以迅速捕捉并处理瞬时高压事件,确保后级设备的安全。

安装和使用注意事项

  1. 极性标识:
    • 确保正确识别并连接SMF30A的正极和负极,以避免因极性错误导致的损坏。
  2. 热设计:
    • 考虑到SMF30A在处理高能量浪涌时可能产生的热量,确保良好的散热设计以防止过热。
  3. 电路布局:
    • 将SMF30A尽可能靠近需要保护的设备,以减少传导路径中的电感和电容,提高保护效果。

总结

SMF30A 是一种高性能、紧凑型的TVS二极管,专为保护电子设备免受静电和浪涌影响而设计。其出色的峰值脉冲功率和电流能力、低反向漏电流以及紧凑的封装,使其成为广泛应用于通信、工业控制、汽车电子、消费电子以及医疗设备等领域的理想选择。通过正确安装和使用,SMF30A 可以有效地提高系统的可靠性和耐用性。

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