WMSIC Electronic Components

Hottech MMBT4401

ModelMMBT4401
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 25+

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Technical data

Product details

19 specifications

Core information

Product name
Hottech MMBT4401
Type
HOTTECH
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HOTTECH
Electronic Component
MMBT4401
Electronic Component
1
Package
SOT-23
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0228550668
Transistor Type
NPN
Frequency(f T)
250MHz
Power Dissipation(Pd)
300mW
Electronic Component
Electronic Component
Electronic Component
3000
Collector Current(Ic)
600mA

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

产品概述:MMBT4401 NPN 三极管

一、基本信息

MMBT4401是一种高性能NPN型三极管(BJT),其功率额定值为300mW,适用于多种低功率放大和开关电路应用。它的封装类型为SOT-23(SOT-23-3),这种紧凑的封装设计使得MMBT4401适合于空间受限的电路板布局。此三极管是由知名电子元器件制造商Hottech(合科泰)生产,确保了产品的可靠性和长寿命。

二、性能参数

  1. 电气特性

    • 直流电流增益(hFE): 在集电极电流(Ic)为150mA,集电极-发射极电压(Vce)为1V的条件下,hFE可以达到100。这一高增益特性使得MMBT4401在信号放大应用中非常有用。
    • 特征频率(fT): MMNBT4401的特征频率为250MHz,意味着其在高频条件下仍然能够保持良好的性能,这对于射频(RF)应用尤为重要。
  2. 工作电压

    • 集射极击穿电压(Vceo): 最大为40V,表示该三极管能够承受相对较高的电压而不发生击穿,这为设计师提供了灵活性,适用于各种电源电压条件下的应用。
    • 集电极-发射极饱和电压(VCE(sat)): 在Ic为150mA,基极电流(Ib)为15mA时,VCE(sat)为400mV,表明该器件在饱和状态下的压降较低,有助于提高电路效率并降低功耗。
  3. 电流特性

    • 集电极电流(Ic): 本器件支持的最大集电极电流为600mA,允许用户在增加负载时依然保持稳定性。
    • 集电极截止电流(Icbo): 在正常工作条件下,Icbo为100nA,说明该元件的泄漏电流非常小,适用于高精度的应用场合。

三、应用领域

MMBT4401广泛应用于各类电子电路,特别是在以下几个领域中表现突出:

  • 音频放大器: 由于其高hFE和较高的频率响应,该三极管适合用于低功率音频信号的放大。
  • 射频电路: 由于其特征频率较高,可以用于高频信号放大和射频开关。
  • 开关电路: MMBT4401可用作开关元件,适合应用于各种控制电路中。
  • 电源管理: 在电源转换和调节中,它能够有效地控制电流,保持高效运作。

四、结论

MMBT4401 NPN三极管结合高电流增益、出色的频率特性及优良的电压承受能力,是一种通用性强且高效的电子元器件,适应现代电子设备对性能和可靠性的严格要求。无论是在消费电子、工业控制还是通信设备中,MMBT4401都能够实现其设计目的,满足多种应用需求。对于设计工程师来说,选择MMBT4401将为他们的创新设计提供强有力的支持。

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