WMSIC Electronic Components

UMW BC847B

ModelBC847B
PackageSOT-23
BrandUMW
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
UMW BC847B
Type
UMW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
BC847B
Electronic Component
1
Package
SOT-23
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
0.033g
Electronic Component
1
Electronic Component
BM0227715760
Operating Temperature
65℃~+150℃
Transistor Type
NPN
Frequency(f T)
100MHz
Power Dissipation(Pd)
200mW
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.

BC847B 产品概述

概要

BC847B 是一种由友台半导体(UMW)生产的三极管(BJT),属于NPN类型。它以其高性能、低噪声和广泛的应用场景而闻名,特别适用于各种电子设备中的信号放大和开关应用。

基础参数

  • 功率(Pd): 200 mW
    • 这表明该三极管在正常工作条件下可以承受的最大功率,确保在设计时不会超过这个阈值,避免过热和损坏。
  • 商品分类: 三极管(BJT)
    • 作为一种基本的电子元器件,三极管广泛用于信号放大、开关和逻辑电路中。
  • 工作温度: -65℃ ~ +150℃
    • 这个广泛的温度范围使得BC847B可以在各种环境条件下稳定运行,从极寒到高温环境都能保持良好的性能。
  • 晶体管类型: NPN
    • NPN类型的三极管在集电极和基极之间施加正电压时会导通,常用于各种放大和开关电路。

电气特性

  • 特征频率(fT): 100 MHz
    • 特征频率是指三极管在单位增益带宽积(Unity Gain Bandwidth)下可以达到的最高频率,表明了其在高频应用中的能力。
  • 直流电流增益(hFE@Ic,Vce): 200 @ 2 mA, 5 V
    • 这个参数表示三极管的电流增益,在集电极电流为2 mA、集电极-发射极电压为5 V时,hFE达到200。这意味着基极输入电流可以被放大200倍。
  • 集射极击穿电压(Vceo): 45 V
    • 这是指当基极无电压输入时,集电极和发射极之间可以承受的最大电压,超过这个值可能导致三极管损坏。
  • 集电极-发射极饱和电压(VCE(sat)@Ic,Ib): 500 mV @ 100 mA, 5 mA
    • 在饱和状态下,集电极-发射极之间的电压不会超过500 mV,即使在较高的集电极电流(100 mA)和基极电流(5 mA)下,也能保持低饱和电压,有助于减少能耗和提高效率。

其他关键参数

  • 集电极截止电流(Icbo): 100 nA
    • 这是指当基极无电压输入时,集电极和发射极之间的漏电流,通常很小,表明了三极管在关闭状态下的良好隔离性。
  • 集电极电流(Ic): 100 mA
    • 这是指三极管可以承受的最大连续集电极电流,确保在设计时不会超过这个阈值,以避免过热或损坏。

应用场景

BC847B广泛应用于以下领域:

  • 信号放大
    • 由于其高增益和低噪声特性,BC847B非常适合用于音频和视频信号的前级放大。
  • 开关电路
    • 其低饱和电压和高切换速度使其成为数字逻辑电路中的理想选择,如驱动LED、继电器或其他负载。
  • 自动控制系统
    • 在自动控制系统中,BC847B可以用来实现各种控制功能,如传感器信号放大、驱动执行器等。
  • 消费电子设备
    • 它也常见于手机、音响设备、家用电器等消费电子产品中,用于各种信号处理和控制任务。

优势

  1. 高增益
    • BC847B具有高直流电流增益(hFE),使其在信号放大应用中表现出色。
  2. 低噪声
    • 低噪声特性使其特别适合于音频和视频信号处理。
  3. 广泛工作温度范围
    • 可以在极端温度条件下稳定运行,适用于各种环境。
  4. 小尺寸封装
    • 采用SOT-23-3封装,体积小,易于集成到紧凑的电子设备中。

总结

BC847B是一种性能优异、多功能的NPN三极管,适用于广泛的电子应用场景。其高增益、低噪声和广泛工作温度范围,使其成为许多工程师和设计师的首选元器件。通过选择BC847B,你可以确保你的电子设备具有高可靠性和卓越性能。

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