WMSIC Electronic Components

MCC MMBT5401HE3-TP MMBT5401HE3

ModelMMBT5401HE3-TP
PackageSOT-23
BrandMCC
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+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
MCC MMBT5401HE3-TP
Type
MCC
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MCC
Electronic Component
MMBT5401HE3-TP
Electronic Component
1
Package
SOT-23
Electronic Component
1 PNP
Electronic Component
Transistor(BJT)
Electronic Component
0.033g
Electronic Component
1
Electronic Component
BM0264678103
Operating Temperature
55℃~+150℃
Transistor Type
PNP
Frequency(f T)
100MHz
Power Dissipation(Pd)
300mW
Electronic Component
Electronic Component

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

MMBT5401HE3-TP PNP型三极管产品概述

MMBT5401HE3-TP是美微科(MCC)推出的高性能PNP双极结型晶体管(BJT),属于小信号三极管范畴,兼具高压耐受、低损耗、高频响应优异等核心特性,广泛适配工业控制、消费电子、射频前端等多领域电路设计需求。

一、产品基本定位

该型号针对高压小信号放大与高速开关场景优化,采用小型表面贴装封装,平衡了性能与体积,适合高密度PCB布局。其设计核心围绕“宽电压范围+低损耗+稳定增益”展开,满足从低功耗放大到中等负载开关的多样化需求。

二、核心电性能参数解析

MMBT5401HE3-TP的参数覆盖极限、直流、交流三大维度,关键指标及实际意义如下:

2.1 极限参数(绝对最大额定值)

  • 集射极击穿电压(Vceo):150V:集电极与发射极间反向击穿电压达150V,可承受高压环境下的信号传输,避免电路因过压损坏;
  • 最大集电极电流(Ic):600mA:持续工作电流支持中等负载(如小型继电器、LED阵列),峰值电流能力适配瞬态负载需求;
  • 最大耗散功率(Pd):300mW:25℃环境下最大允许功率损耗300mW,温度升高时需按降额曲线调整负载,保证结温(Tj)不超150℃;
  • 工作结温范围(Tj):-55℃~+150℃:宽温范围覆盖工业级应用(户外传感器、车载电路),极端温度下仍保持稳定性能;
  • 射基极击穿电压(Vebo):5V:发射极与基极间反向电压不得超5V,设计偏置电路时需避免正向过流或反向过压。

2.2 直流参数

  • 直流电流增益(hFE):100@10mA,5V:典型工作点(Ic=10mA、Vce=5V)下增益稳定为100,放大线性度良好,适合信号放大电路的精准控制;
  • 集射极饱和电压(VCE(sat)):500mV:Ic=600mA时饱和压降仅500mV,开关损耗低(损耗=Ic×VCE(sat)=0.3W,符合Pd极限),提升开关效率;
  • 集电极截止电流(Icbo):100nA:截止状态下集电极漏电仅100nA,低功耗特性显著,适合电池供电的便携式设备。

2.3 交流参数

  • 特征频率(fT):100MHz:截止频率达100MHz,高频响应优异,可支持射频前端(低噪声放大器)、高速数字开关(时钟信号处理)等高频场景。

三、关键特性与优势

  1. 高压耐受与低损耗兼顾:150V Vceo适配高压信号放大,500mV饱和压降降低开关损耗,平衡高压与效率需求;
  2. 稳定增益与宽温可靠性:典型工作点hFE=100,宽温范围(-55~150℃)保证极端环境下性能稳定,适合工业级应用;
  3. 高频特性优异:100MHz fT支持射频与高速数字电路,拓展应用场景;
  4. 小体积高密度封装:采用TO-236-3、SC-59、SOT-23-3等表面贴装封装,尺寸紧凑(SOT-23约2.9×1.6×1.1mm),适配便携式设备与高密度PCB;
  5. 低漏电低功耗:100nA Icbo减少待机功耗,适合电池供电产品。

四、典型应用场景

MMBT5401HE3-TP的参数特性决定了其广泛的应用范围:

  1. 高压小信号放大:音频前置放大器、传感器信号放大(压力/温度传感器接口)、高压线性稳压器辅助电路;
  2. 高速开关控制:小型继电器驱动、LED闪烁控制、低功耗开关电源辅助;
  3. 射频前端电路:低噪声放大器(LNA)、混频器偏置电路、射频信号开关;
  4. 工业控制电路:PLC输入/输出接口、电机驱动辅助电路、工业传感器信号调理;
  5. 消费电子:手机/平板的电源管理辅助、音频电路、小型显示驱动。

五、封装与可靠性说明

该型号提供三种兼容表面贴装封装:

  • SOT-23-3:主流小封装,自动化贴装效率高,适配大多数PCB设计;
  • TO-236-3(SC-59):尺寸与SOT-23相近,引脚布局兼容,部分厂商采用该封装;

可靠性方面,MCC的封装工艺经过严格振动、冲击测试,符合工业级标准,宽温范围满足-55~150℃的环境需求,长期工作稳定性可靠。

六、应用设计注意事项

  1. 极限参数降额:工作时需保证Vceo≤150V、Ic≤600mA、Pd≤300mW,结温Tj≤150℃(100℃环境下Pd降额至约150mW);
  2. 偏置电路设计:基极偏置电流需控制在合理范围(如Ic=10mA时,Ib≈0.1mA),避免hFE漂移;
  3. 静电防护:SOT-23封装为静电敏感器件,存储、运输需采用防静电包装,焊接时使用防静电烙铁;
  4. 散热设计:高密度PCB布局下,需预留适当散热空间,避免长期满负荷工作导致结温过高。

综上,MMBT5401HE3-TP凭借高压耐受、低损耗、高频特性与宽温可靠性,成为多领域电路设计的优选PNP三极管,适配从消费电子到工业控制的多样化需求。

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