WMSIC Electronic Components

RN1427(TE85L,F) RN1427

ModelRN1427(TE85L,F)
PackageSOT-346
BrandTOSHIBA
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 22+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TOSHIBA RN1427(TE85L, F)
Type
TOSHIBA
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TOSHIBA
Electronic Component
RN1427(TE85L,F)
Electronic Component
1
Package
SOT-346
Electronic Component
1 NPN
Electronic Component
Digital Transistor
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0265837265
Resistor
0.24
Resistor
2.2kΩ
Transistor Type
NPN
Frequency(f T)
300MHz
Power Dissipation(Pd)
200mW
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.

东芝RN1427(TE85L,F) NPN型三极管产品概述

RN1427(TE85L,F)是东芝半导体推出的一款小功率NPN双极结型晶体管(BJT),主打超小型封装+低功耗特性,适用于对尺寸、功耗敏感的消费电子、便携设备及小型通信模块等场景,是替代传统直插器件的高性价比选择。

一、核心定位与基础属性

该器件属于小信号开关/放大专用BJT,基础属性清晰:

  • 晶体管类型:NPN(单电源驱动友好,电路设计简化)
  • 封装形式:SOT-346(超小型表面贴装)
  • 品牌:东芝(TOSHIBA)—— 全球半导体老牌厂商,工艺成熟可靠
  • 目标场景:高密度PCB布局、低功耗待机、小信号处理

二、关键电气参数详解

电气参数是器件选型的核心依据,RN1427的关键参数如下:

1. 耐压特性

  • 集射极击穿电压(Vceo):50V(集电极-发射极间最大耐压,支持低至中压电路,避免过压损坏)
  • 射基极击穿电压(Vebo):6V(发射极-基极间正向耐压,需避免发射结正向过压)

2. 电流与功率限制

  • 最大集电极电流(Ic(max)):800mA(集电极可承载的持续最大电流,满足小功率开关/放大需求)
  • 最大耗散功率(Pd(max)):200mW(器件可耗散的最大功率,需配合PCB铜箔散热,避免过热)

3. 放大与开关特性

  • 直流电流增益(hFE):90@Ic=100mA、Vce=1V(小信号下放大能力稳定,适合弱信号放大)
  • 导通特性(VI(on)):Ic=100mA时,基极输入电压约3V,发射结正向压降(Vbe)约0.2V(开关导通响应快,低电压即可驱动)
  • 截止特性(VI(off)):Vce=5V时,基极输入电压≤1V则Ic降至0.1mA以下(低功耗截止,待机状态耗电少)

4. 输入特性

  • 输入电阻:2.2kΩ(基极输入回路等效电阻,驱动电路无需额外匹配大电阻,简化外围设计)

三、封装与物理特性

RN1427采用SOT-346超小型表面贴装封装,具备三大优势:

  • 尺寸极小:约1.6mm×1.0mm×0.5mm(典型值),比传统SOT-23封装体积缩小30%,适配便携设备高密度布局
  • 引脚兼容:3引脚标准BJT配置(E、B、C),与多数同类器件互换,替换成本低
  • 贴装高效:支持自动化SMT贴装,生产效率高,适合量产需求

四、典型应用场景

结合参数特性,RN1427的典型应用包括:

  1. 便携电子:智能手环、蓝牙耳机、智能手表的信号放大/开关控制(小体积+低功耗匹配便携需求)
  2. 消费电子:电视遥控器、小型家电(加湿器、台灯)的逻辑电路(开关稳定,低电压驱动)
  3. 小型通信:低功耗蓝牙(BLE)、WiFi模块的辅助放大/开关(Ic=800mA满足小信号处理)
  4. 传感器接口:温湿度传感器的信号调理(hFE稳定,适合弱信号放大)

五、品牌与可靠性优势

东芝作为半导体行业老牌厂商,RN1427具备以下可靠性保障:

  • 工艺成熟:采用优化BJT工艺,参数一致性好,批量生产性能波动小
  • 环保合规:符合RoHS标准,无有害物质,适配全球市场
  • 寿命可靠:经过温度、湿度及老化测试,可长期稳定运行
  • 供货稳定:成熟型号,东芝产能充足,满足量产订单需求

六、选型注意事项

使用时需注意3个要点:

  1. 避免Vebo超过6V,防止发射结击穿
  2. 确保Pd≤200mW,高电流工作时需增加PCB铜箔散热
  3. 驱动电路匹配2.2kΩ输入电阻,避免驱动电压/电流超范围

综上,RN1427(TE85L,F)是一款高性价比的小功率NPN三极管,凭借超小型封装、稳定参数及东芝可靠性,成为消费电子、便携设备等领域的理想选择。

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