WMSIC Electronic Components

PANJIT MMBT3904W_R1_00001

ModelMMBT3904W_R1_00001
PackageSOT-323
BrandPANJIT
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
PANJIT MMBT3904W_R1_00001
Type
PANJIT
Minimum package
3000

Technical parameters

Electronic Component
PANJIT
Electronic Component
MMBT3904W_R1_00001
Electronic Component
1
Package
SOT-323
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
0.019g
Electronic Component
1
Electronic Component
BM0265820279
Operating Temperature
55℃~+150℃
Transistor Type
NPN
Power Dissipation(Pd)
150mW
Electronic Component
3000
Collector Current(Ic)
200mA
Current (h FE)
100
Voltage(Vebo)
6V

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

MMBT3904W_R1_00001 NPN型三极管产品概述

一、产品核心身份与定位

MMBT3904W_R1_00001是台湾强茂电子(PANJIT)推出的通用型NPN双极型晶体管(BJT),主打小信号放大+低速开关双功能,采用超小型SOT-323-3表面贴装封装,单颗独立包装。该器件针对体积、功耗敏感的设计场景优化,是消费电子、工业控制等领域的基础常用器件,可替代同类进口小信号三极管。

二、关键电性能参数解析

参数设计兼顾“小信号性能”与“实用可靠性”,核心指标如下:

  1. 集电极电流(Ic):最大连续值200mA,属于低功率等级,适配轻载开关、弱信号放大需求,避免大电流下的性能衰减;
  2. 集射极击穿电压(Vceo):40V耐压值提供充足安全裕量,即使电路瞬态电压波动(如电源尖峰),也能防止击穿损坏,适合中等电压场景;
  3. 耗散功率(Pd):150mW明确功率上限,设计时需结合PCB散热条件控制工作电流,避免过热导致性能下降;
  4. 直流电流增益(hFE):典型工作点(Ic=10mA、Vce=1V)下增益为100,小信号放大能力稳定,适配音频前置、传感器信号调理;
  5. 集电极截止电流(Icbo):仅50nA的漏电流体现优异截止特性,关断状态下功耗极低,可减少待机损耗;
  6. 集射极饱和电压(VCE(sat)):300mV低饱和压降,开关导通时损耗小,适合LED驱动、逻辑电平转换等低速开关;
  7. 射基极击穿电压(Vebo):6V反向耐压,避免发射极-基极正偏过压损坏,提升脉冲信号下的抗干扰能力。

三、封装与物理特性

采用SOT-323-3标准表面贴装封装,尺寸约1.6mm×1.6mm×0.8mm(典型值),属于超小型封装类型,可显著节省PCB空间,适配智能穿戴、蓝牙耳机等便携设备的高密度设计。引脚为3脚布局(通常1脚基极、2脚发射极、3脚集电极),支持自动化贴装(SMT)工艺,生产效率高,适合批量制造。

四、典型应用场景

  1. 小信号放大:音频设备前置放大、温度/压力传感器信号调理,利用稳定hFE实现信号增益;
  2. 低速开关控制:小型LED指示灯驱动、5V转3.3V逻辑电平转换、微型继电器线圈控制(轻载);
  3. 便携电子设备:智能手机、智能手表、蓝牙耳机的信号处理单元,超小封装适配设备小型化;
  4. 电源辅助电路:电压基准信号检测、过流保护反馈控制,宽温范围保证极端环境可靠性。

五、可靠性与环境适应性

工作温度覆盖**-55℃~+150℃**,满足工业级温度要求(部分场景可替代汽车级器件)。低漏电流、高击穿电压设计提升抗干扰能力,经PANJIT严格可靠性测试(温度循环、湿度老化等),确保恶劣环境下长期稳定工作。

六、品牌与品质背书

PANJIT(强茂电子)是全球知名半导体分立器件制造商,专注功率二极管、三极管等产品研发,产品符合RoHS、REACH环保标准,广泛应用于消费电子、汽车电子领域。MMBT3904W_R1_00001继承强茂品质体系,性能稳定、一致性好,是高性价比的国产替代选择。

该器件以“小体积、低功耗、双功能”为核心优势,覆盖多数通用电子设计的基础需求,是工程师选型时的可靠选项。

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