WMSIC Electronic Components

LRC S-L8550HQLT1G

ModelS-L8550HQLT1G
PackageSOT-23
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LRC S-L8550HQLT1G
Type
LRC
Minimum package
3000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
S-L8550HQLT1G
Electronic Component
1
Package
SOT-23
Electronic Component
1 PNP
Electronic Component
Transistor(BJT)
Electronic Component
0.029g
Electronic Component
1
Electronic Component
BM0265452077
Operating Temperature
55℃~+150℃
Transistor Type
PNP
Power Dissipation(Pd)
225mW
Electronic Component
Electronic Component
Electronic Component
3000
Collector Current(Ic)
1.5A

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

S-L8550HQLT1G PNP型晶体管产品概述

S-L8550HQLT1G是乐山无线电(LRC)推出的一款高性能PNP型小信号晶体管,采用SOT-23小型表面贴装封装,凭借稳定的电性能、宽温度范围和紧凑设计,广泛适用于低压小功率的开关与放大场景。以下从核心维度展开详细概述:

一、产品基本信息

S-L8550HQLT1G的基础定位清晰:

  • 晶体管类型:PNP型(发射极电位高于基极和集电极,适合低压电路的上拉/开关控制);
  • 生产厂商:乐山无线电(LRC),国内半导体行业主流厂商,产品可靠性经市场验证;
  • 封装形式:SOT-23(3引脚表面贴装),尺寸约2.9×1.6×1.1mm,可大幅节省PCB空间,适配便携式设备、小型模块的高密度布局;
  • 基础定位:小信号晶体管,并非大功率器件,需结合额定参数选型。

二、核心电性能参数解析

该晶体管的关键参数经过严格标定,直接决定其应用边界:

  1. 电流与电压额定值:

    • 集电极最大连续电流(Ic):1.5A,可支撑小功率开关(如小LED驱动)或中等电流放大;
    • 集射极击穿电压(Vceo):25V(基极开路条件下),适用于12V、24V等低压电路,避免高压击穿;
    • 射基极击穿电压(Vebo):5V,需注意发射极与基极反向电压不可超过该值,防止器件损坏。
  2. 功率与增益特性:

    • 耗散功率(Pd):225mW(25℃环境温度下),限定了器件的最大功率损耗,需结合散热条件(如PCB铜箔面积)选型;
    • 直流电流增益(hFE):典型值150(测试条件:Ic=100mA,VCE=1V),增益稳定且适中,兼顾线性放大(如传感器信号调理)与开关效率。
  3. 漏电流与饱和性能:

    • 集电极截止电流(Icbo):最大150nA(基极开路、发射极接地),漏电流极小,可提升电路静态稳定性(如低功耗待机电路);
    • 集射极饱和电压(VCE(sat)):典型值500mV,饱和压降低,开关过程中功耗小,适合对效率有要求的小信号开关场景。
  4. 温度适应性:
    工作结温范围为-55℃~+150℃,覆盖工业级温度要求,可在极端环境(如低温户外、高温工业现场)下长期稳定工作。

三、封装与可靠性设计

S-L8550HQLT1G的封装与可靠性设计针对性强:

  • 小型化贴装:SOT-23封装适合自动化生产,可与其他小型器件(如电阻、电容)高密度集成,降低电路板面积;
  • 耐温抗腐:封装材料具备良好的热稳定性和抗腐蚀性,结合宽温度范围的电性能,可减少环境因素导致的性能衰减;
  • 低漏电流保障:Icbo控制在150nA以内,可降低静态功耗,延长设备待机时间(如智能穿戴、便携电子)。

四、典型应用场景

结合PNP特性与参数范围,该晶体管的核心应用场景包括:

  1. 小功率开关电路:便携式设备电源通断控制、小功率LED驱动(如手机闪光灯辅助、智能台灯)、轻载负载开关;
  2. 线性放大电路:传感器信号前置放大(如温度、压力传感器)、音频小信号放大(如耳机驱动辅助)、低压信号调理;
  3. 电源管理模块:电池供电设备的电压调节辅助、低压DC-DC转换器反馈控制、PMU(电源管理单元)辅助电路;
  4. 工业与车载电子:工业传感器信号放大、汽车仪表盘小信号控制(宽温适配车载环境)、充电桩低压辅助电路;
  5. 消费电子:智能手表、平板的电源管理、智能家居设备的信号开关(如智能插座轻载控制)。

五、产品优势与适用边界

核心优势

  • 性能均衡:漏电流小、增益稳定、饱和压降低,兼顾开关与放大双重需求;
  • 环境适配:-55℃~+150℃宽温范围,满足工业级应用要求;
  • 成本可控:国产主流器件,性价比高于进口同类产品,适合批量应用;
  • 小型化设计:SOT-23封装适配高密度PCB,降低设备体积。

适用边界

  • 不适合高压场景:Vceo=25V,不可用于超过25V的电路(如高压电源、电机驱动);
  • 不适合大功率应用:Pd=225mW,无法支撑10W以上的功率负载;
  • 发射极反向电压限制:Vebo=5V,避免发射极-基极反向电压超过该值(如误接电源极性)。

总结

S-L8550HQLT1G是一款性能稳定、设计紧凑的PNP小信号晶体管,在低压小功率的开关与放大场景中具有突出优势,尤其适用于便携式设备、工业控制及消费电子领域。选型时需结合参数边界,确保匹配应用需求。

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