WMSIC Electronic Components

YONGYUTAI BC856A

ModelBC856A
PackageSOT-23
BrandYONGYUTAI
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
YONGYUTAI BC856A
Type
YONGYUTAI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YONGYUTAI
Electronic Component
BC856A
Electronic Component
1
Package
SOT-23
Electronic Component
1 PNP
Electronic Component
Transistor(BJT)
Electronic Component
0.032g
Electronic Component
1
Electronic Component
BM0225825566
Transistor Type
PNP
Frequency(f T)
100MHz
Power Dissipation(Pd)
200mW
Electronic Component
Electronic Component
Electronic Component
3000
Collector Current(Ic)
100mA

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

BC856A 产品概述

概要

BC856A 是一种高性能的PNP型双极晶体管(BJT),由永裕泰(YONGYUTAI)品牌生产。它以其卓越的电气特性和紧凑的封装设计,广泛应用于各种电子设备中。

基础参数

  • 功率(Pd): 200 mW
    • 这表明该三极管在正常操作条件下可以承受的最大功率。
  • 商品分类: 三极管(BJT)
    • 双极晶体管是一种基本的电子开关和放大器元件。
  • 晶体管类型: PNP
    • PNP型三极管的工作原理与NPN型不同,主要用于需要正向控制信号的应用场景。
  • 特征频率(fT): 100 MHz
    • 特征频率表示三极管在高频应用中的性能,高频率意味着更好的高频放大能力。
  • 直流电流增益(hFE@Ic,Vce): 250 @ 2 mA, 5 V
    • 直流电流增益是指基极电流与集电极电流之间的比值,高增益意味着更好的信号放大能力。
  • 集射极击穿电压(Vceo): 65 V
    • 这是指在没有基极电流输入的情况下,集电极和发射极之间可以承受的最大电压。
  • 集电极-发射极饱和电压(VCE(sat)@Ic,Ib): 500 mV @ 100 mA, 5 mA
    • 饱和电压表示当三极管完全导通时,集电极和发射极之间的最小电压差。
  • 集电极截止电流(Icbo): 100 nA
    • 这是指在没有基极电流输入的情况下,集电极的漏电流。
  • 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。

封装

  • 封装类型: SOT-23
    • SOT-23是一种小型化的三引脚封装,适合于空间有限的电子产品设计。

应用场景

BC856A 因其优异的性能和紧凑的设计,适用于以下几个主要应用领域:

  1. 信号放大

    • 由于其高直流电流增益和较高特征频率,BC856A非常适合用于音频和低频信号的放大。
  2. 开关应用

    • 其低饱和电压和高集电极电流能力,使其成为理想的开关元件,用于控制较大负载。
  3. 自动控制系统

    • 在自动控制系统中,BC856A可以作为驱动器或信号处理单元的一部分,提供可靠和高效的性能。
  4. 消费电子设备

    • 由于其小型化封装,BC856A广泛用于手机、平板电脑、智能家居设备等消费电子产品中。

优势

  • 高频性能

    • 特征频率达100 MHz,使其在高频应用中表现出色。
  • 低噪声

    • 低集电极截止电流和低饱和电压确保了低噪声操作,提高了系统的整体信噪比。
  • 小型化设计

    • SOT-23封装使得BC856A非常适合于空间有限的现代电子产品设计。

使用注意事项

  • 热管理

    • 由于最大功率限制为200 mW,需要确保适当的散热措施以避免过热。
  • 电压限制

    • 必须确保操作电压不超过指定的集射极击穿电压(65 V)以防止损坏。
  • 基极驱动

    • 需要根据具体应用选择合适的基极驱动电路,以充分利用三极管的增益和开关性能。

总结

BC856A 是一款功能强大且体积紧凑的PNP型双极晶体管,通过其优异的电气特性和小型化设计,广泛应用于各种电子设备中。其高频性能、低噪声操作以及高集电极电流能力,使其成为许多工程师和设计师的首选元件。通过遵循使用注意事项,可以充分发挥BC856A的潜力,实现高效可靠的电子系统设计。

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