WMSIC Electronic Components

Hottech MMBTA42

ModelMMBTA42
PackageSOT-23
BrandHottech
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

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Hottech MMBTA42
Type
HOTTECH
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HOTTECH
Electronic Component
MMBTA42
Electronic Component
1
Package
SOT-23
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0263570721
Transistor Type
NPN
Frequency(f T)
50MHz
Power Dissipation(Pd)
350mW
Electronic Component
Electronic Component
Electronic Component
3000
Collector Current(Ic)
300mA

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

MMBTA42 产品概述

一、产品简介

MMBTA42是一款符合现代电子设备需求的高性能NPN型小功率三极管,具有优良的电气特性和可靠性。该三极管以其较高的饱和电流和直流电流增益,广泛应用于信号放大与开关电路等领域。其封装形式为SOT-23(SOT-23-3),便于表面贴装,有助于减少PCB板的占用空间并提高生产效率。

二、基本电气参数

  • 功率 (Pd): 350mW
    MMBTA42的最大功耗为350毫瓦,适合在低功耗的应用环境中使用。

  • 商品分类: 三极管(BJT)
    本产品属于双极型晶体管(BJT),主要应用于模拟信号处理及开关控制。

  • 晶体管类型: NPN
    作为NPN型三极管,MMBTA42在适当的偏置下,可以高效地控制较大的负载。

  • 特征频率 (fT): 50MHz
    MMBTA42在此频率下的表现优异,适合高频放大和开关电路应用。

  • 直流电流增益 (hFE@Ic, Vce): 100@10mA, 10V
    该三极管提供的直流电流增益达到100,是实现信号放大的理想选择。

  • 集射极击穿电压 (Vceo): 300V
    MMBTA42具有300V的最大集射极击穿电压,适应高电压环境,增强了器件的耐用性。

  • 集电极-发射极饱和电压 (VCE(sat)@Ic, Ib): 200mV@20mA, 2mA
    在20mA的集电极电流和2mA的基极电流下,其饱和电压仅为200mV,意味着能耗低,提升了能效。

  • 集电极截止电流 (Icbo): 250nA
    较小的截止电流表明其在关断状态下几乎没有功耗,有助于提高系统的整体能效。

  • 集电极电流 (Ic): 300mA
    MMBTA42的最大集电极电流为300mA,满足大多数中小功率驱动需求。

三、产品应用

MMBTA42因其优异的电气性能,广泛应用于以下领域:

  1. 开关电路: 作为开关元件,能够高效控制电流,实现逻辑电路中的开闭切换。

  2. 放大电路: 凭借其较高的直流电流增益,MMBTA42可用于各种信号放大应用,如音频、射频及其它小信号放大器。

  3. 直流电机驱动: 其较高的集电极电流特性使其适合用于直流电机的控制和驱动。

  4. LED驱动: 饱和电压低,适合驱动小功率LED,尤其是在便携式设备中实现高效照明。

  5. 自动化与控制设备: 可用于传感器信号处理和控制逻辑电路。

四、封装和安装

MMBTA42采用SOT-23封装,体积小、引脚少,适合表面贴装技术(SMT),便于批量生产和自动化装配。其紧凑设计为现代电子产品提供了优良的空间利用效率,尤其是在空间受限的应用场合,如手机、笔记本电脑及工业控制设备中。

五、总结

总之,MMBTA42是一款优秀的NPN小功率三极管,具有广泛的电气特性和多种应用场景。其高增益、低饱和电压和高耐压能力使其成为了电子设计师的理想选择。不论是信号放大还是开关控制,MMBTA42都能充分满足现代电子设备对小型化和高性能的需求,是推动电子技术进步的重要元器件。

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