WMSIC Electronic Components

MMBT5401

ModelMMBT5401
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 MMBT5401
Type
YONGYUTAI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YONGYUTAI
Electronic Component
MMBT5401
Electronic Component
1
Package
SOT-23
Electronic Component
1 PNP
Electronic Component
Transistor(BJT)
Electronic Component
0.033g
Electronic Component
1
Electronic Component
BM0226337783
Transistor Type
PNP
Power Dissipation(Pd)
300mW
Electronic Component
Electronic Component
Electronic Component
3000
Collector Current(Ic)
600mA
Current (h FE)
400

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

MMBT5401 产品概述

一、产品简介

MMBT5401 是一款高压小信号 PNP 晶体管,由 YONGYUTAI(永裕泰)生产,封装为 SOT-23。该器件针对需要高压耐受与中等电流能力的场景设计,具有良好的增益和低泄漏特性,适合用于开关、放大及保护电路中的高侧或反向元件。

二、主要电气参数

  • 晶体管类型:PNP(单只)
  • 集射极击穿电压 Vceo:150 V
  • 集电极电流 Ic:600 mA(最大)
  • 直流电流增益 hFE:400 @ Ic=10 mA, Vce=5 V(典型)
  • 集电极截止电流 Icbo:1 μA(典型/最大量级)
  • 发射极-基极击穿电压 Vebo:5 V
  • 集电极-发射极饱和电压 VCE(sat):≤500 mV(在 Ic=50 mA、Ib 条件;在 5 mA 工作点亦有说明)
  • 耗散功率 Pd:300 mW(SOT-23,按厂商给定条件)

以上参数以厂商资料为准,具体应用应参考完整数据手册。

三、典型应用

  • 高压小信号开关与电平转换(高侧开关)
  • 音频前级与小信号放大器
  • 电源保护、反向极性检测与驱动电路
  • 小型继电器驱动、脉冲开关场景(注意热与峰值电流限制)

四、封装与引脚

  • 封装:SOT-23(小型表贴)
  • 常见引脚排列(SOT-23):1=Emitter, 2=Base, 3=Collector(请以实际器件丝印或 datasheet 为准)

五、布局与热管理建议

  • SOT-23 封装热能力有限,300 mW 为典型耗散,上板散热依赖铜箔面积与层间导热。
  • 集电极/散热铜箔尽量加大,短小基极走线以降低寄生电阻与电感。
  • 高频或大电流脉冲场景下,应评估瞬态温升与峰值应力,必要时并联器件或采用更大封装。

六、可靠性与选型建议

  • 注意 Vebo(约 5 V)限制,避免基极反向过压。
  • 若工作电流或散热高于器件额定,请选用更大功率封装或功率晶体管。
  • 量产采购时,与厂商确认温度系数、分选与批次一致性,尤其在高压/高增益场合进行样品验证。

以上为 MMBT5401 的关键概述与实用建议,供电路设计与元件选型参考。若需完整电气特性曲线、封装尺寸或样机评估建议,可提供进一步资料。

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