WMSIC Electronic Components

UMW MMBT4401

UMW MMBT4401
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Product image

ModelMMBT4401
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 26+

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Technical data

Product details

19 specifications

Core information

Product name
UMW MMBT4401
Type
UMW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
MMBT4401
Electronic Component
1
Package
SOT-23
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
0.033g
Electronic Component
1
Electronic Component
BM0265604703
Operating Temperature
55℃~+150℃
Transistor Type
NPN
Frequency(f T)
250MHz
Power Dissipation(Pd)
300mW
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.

MMBT4401 产品概述

MMBT4401 是一款高性能的 NPN 型三极管，其设计主要面向多种电子应用，特别适合用于开关和放大电路。该元器件采用 SOT-23-3 封装，具有小巧紧凑的特点，便于在空间有限的电路板上布置。MMBT4401 的广泛应用使其成为电子工程师和设计师的优选。

主要参数

  1. 功率（Pd）：MMBT4401 的功率额定值为 300mW，适用于一般功率需求的应用。

  2. 工作温度范围：该三极管的工作温度范围非常广泛，达到 -55℃ 至 +150℃，使其在极端环境下也能稳定工作，适合军工、航空以及其他高要求领域。

  3. 晶体管类型：作为一款 NPN 三极管，MMBT4401 能够满足多种信号放大需求，特别是在低电压应用中的表现表现优异。

  4. 特征频率（fT）：其特征频率达到 250MHz，这意味着 MMBT4401 能够适应较高频率的工作环境，适合音频、视频信号放大及高频开关应用。

  5. 直流电流增益（hFE）：在集电极电流为 150mA 和集电极-发射极电压为 1V 的条件下，增益可达 100，这为设计提供了良好的信号放大能力。

  6. 集射极击穿电压（Vceo）：最高的集射极击穿电压为 40V，允许其在较高电压的环境中安全运行，增强了其可靠性。

  7. 集电极-发射极饱和电压（VCE(sat)）：在 150mA 的集电极电流和 15mA 的基极电流下，其饱和电压仅为 400mV，表明在开关应用中能有效减少功耗。

  8. 集电极截止电流（Icbo）：其截止电流为 100nA，表明在关闭状态下的电流损耗极低，提高了电路的能效。

  9. 最大集电极电流（Ic）：该三极管的集电极电流最大可达 600mA，能够满足许多功率需求较大的应用。

应用领域

由于其出色的性能和广泛的工作条件，MMBT4401 被广泛应用于：

  1. 开关电路：由于其较小的饱和电压和高集电极电流能力，适合用于电源开关和控制电路。

  2. 信号放大：其高增益特性使其成为音频放大器及各种信号处理电路的理想选择。

  3. 高频应用：特征频率高达 250MHz，使其适用于无线通信、电视接收机和其他高频设备。

  4. 工业控制：在自动化和工业控制系统中，MMBT4401 可用于传感器信号处理及执行控制。

封装和安装

MMBT4401 采用 SOT-23-3 封装，具有较小的体积和低的设计空间需求，适合多种类型的电路设计。其引脚布局合理，方便在 PCB 电路板上焊接和排布。

结论

MMBT4401 是一款具备广泛应用场景的 NPN 三极管，其优秀的电气性能、广泛的使用温度范围和小型封装，使其在电子设计中备受青睐。随着科技的不断发展和应用的多样化，MMBT4401 为各类电子产品提供了可靠的解决方案，是电子工程师在设计中不可或缺的重要元器件。

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