WMSIC Electronic Components

LRC LMUN2216LT1G

ModelLMUN2216LT1G
PackageSOT-23(SOT-23-3)
BrandLRC
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LRC LMUN2216LT1G
Type
LRC
Minimum package
3000

Technical parameters

Electronic Component
LRC
Electronic Component
LMUN2216LT1G
Electronic Component
1
Package
SOT-23(SOT-23-3)
Electronic Component
1 NPN
Electronic Component
Digital Transistor
Electronic Component
0.031g
Electronic Component
1
Electronic Component
BM0230025581
Operating Temperature
55℃~+150℃
Resistor
4.7kΩ
Transistor Type
NPN
Power Dissipation(Pd)
246mW
Electronic Component
3000
Collector Current(Ic)
100mA
Output Voltage(VO(on))
200mV

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

LMUN2216LT1G数字晶体管产品概述

LMUN2216LT1G是乐山无线电(LRC)推出的预偏置NPN型数字晶体管,采用SOT-23-3贴片封装,专为中小信号数字电路设计,兼具小型化、低功耗、宽温适应性等核心特点,广泛应用于便携电子、工业控制及车载电子等领域。

一、产品核心定位

LMUN2216LT1G属于数字专用晶体管,区别于普通NPN管的核心优势是内置预偏置电阻——基极与发射极间集成固定偏置网络,无需外部添加偏置电路即可实现稳定工作点,解决了传统晶体管需额外设计偏置的问题,更适配数字电路的高低电平切换需求。

二、关键参数与性能解析

1. 电压电流能力

  • 集射极击穿电压(Vceo):50V:满足大多数数字电路的电源电压范围(一般数字电路电源≤30V),避免过压击穿风险;
  • 最大集电极电流(Ic):100mA:可驱动中小负载(如LED、小型继电器线圈、逻辑门输入),覆盖常见数字电路的负载需求;
  • 饱和压降(VO(on)):200mV(典型值):导通状态下功耗低,信号传输失真小,提升电路可靠性(如数字信号的高低电平识别精度)。

2. 功率与增益特性

  • 最大耗散功率(Pd):246mW:低功耗设计适配便携设备的电池供电需求,避免长时间工作过热;
  • 直流电流增益(hFE):160@Vce=10V、Ic=5mA:小信号下增益稳定,预偏置设计进一步缩小了不同器件间的增益差异,批量生产一致性更高。

3. 输入阻抗与温度范围

  • 输入电阻:4.7kΩ(典型值):与TTL、CMOS等常见数字逻辑电路的驱动阻抗匹配良好,降低驱动损耗;
  • 工作温度:-55℃~+150℃:覆盖工业级(-40℃+85℃)与车载级(-40℃+125℃)环境要求,可在极端温度下稳定工作。

4. 封装形式

  • SOT-23-3贴片封装:尺寸仅2.9mm×1.6mm×1.1mm,体积小巧,适合高密度PCB设计(如手机主板、小型控制器),减少产品尺寸与重量。

三、预偏置设计的应用价值

预偏置是LMUN2216LT1G的核心竞争力,带来三大实际价值:

  1. 简化电路设计:省去外部偏置电阻,减少元件数量与PCB布线复杂度,缩短开发周期;
  2. 提升性能一致性:内置电阻的精度(±5%左右)远高于外部焊接电阻,不同批次器件的增益、导通压降差异≤10%,批量生产更可靠;
  3. 降低系统功耗:偏置电阻与晶体管一体化,避免外部电阻的额外损耗,总功耗比传统设计低15%~20%。

四、典型应用场景

结合性能参数,LMUN2216LT1G的主要应用场景包括:

  1. 便携电子设备:手机、智能手环、蓝牙耳机的按键检测、LED背光驱动、电池管理电路(小型化+低功耗适配电池供电);
  2. 车载电子:仪表盘背光控制、传感器信号放大、车载USB接口开关(宽温范围满足-40℃~+85℃的车载环境);
  3. 工业控制:小型PLC的I/O模块、温度传感器信号调理、低压电机驱动(稳定增益+宽温适配工业现场);
  4. 小型家电:智能插座、加湿器、空气净化器的控制电路(中小信号驱动能力满足负载需求,简化电路)。

五、设计与使用注意事项

为确保稳定工作,需注意以下要点:

  1. 负载限制:集电极电流不得超过100mA,耗散功率不得超过246mW,避免过载损坏;
  2. 散热设计:SOT-23封装散热面积有限,PCB布局时应远离发热元件,可在焊盘下方增加散热铜箔(面积≥10mm²);
  3. 焊接工艺:符合SOT-23封装要求(回流焊峰值温度≤260℃,焊接时间≤10秒),避免高温损坏器件;
  4. 存储环境:存储温度-65℃~+150℃,避免受潮,长期存储需用防潮袋包装。

六、总结

LMUN2216LT1G作为一款高性价比预偏置数字晶体管,凭借小型化封装、低功耗、宽温适应性及简化电路设计的优势,成为数字电路设计的优选器件。LRC作为国内半导体行业的成熟厂商,其产品可靠性经过市场验证,适合对成本与性能平衡要求较高的应用场景。

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