WMSIC Electronic Components

LRC S-LBSS4240LT1G

ModelS-LBSS4240LT1G
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-LBSS4240LT1G
Type
LRC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
S-LBSS4240LT1G
Electronic Component
1
Package
SOT-23
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
0.031g
Electronic Component
1
Electronic Component
BM0264850132
Operating Temperature
55℃~+150℃
Transistor Type
NPN
Frequency(f T)
100MHz
Power Dissipation(Pd)
300mW
Electronic Component
Electronic Component
Electronic Component
3000

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

LRC S-LBSS4240LT1G NPN双极型晶体管产品概述

一、产品定位与核心优势

S-LBSS4240LT1G是乐山无线电(LRC)推出的小功率NPN双极型晶体管(BJT),专为低功耗、高频信号处理及中等负载驱动场景设计。其核心优势集中在「低导通损耗、高电流增益、宽温度适应性」三大维度,适配便携式电子、工业控制等多领域需求,兼顾性能与成本控制。

二、关键电气参数深度解析

该晶体管的电气参数经过工艺优化,平衡了功率容量与高频性能,核心参数如下:

(一)直流性能参数

  1. 功率与电流容量:

    • 集电极最大连续电流(I_{C(max)}=2A),可驱动小型LED阵列、微型继电器等中等负载;
    • 集电极-发射极击穿电压(V_{CEO}=40V),覆盖5V~24V常规电源系统的电压裕量;
    • 最大耗散功率(P_d=300mW),适配SOT-23小封装的热预算,避免过热风险。
  2. 增益与饱和特性:

    • 直流电流增益(h_{FE}=300)(测试条件:(I_C=1A)、(V_{CE}=2V)),高增益可简化信号放大电路的级联设计,减少外围元件;
    • 集电极-发射极饱和电压(V_{CE(sat)}=180mV)(典型值),低饱和电压大幅降低导通损耗,提升电路效率(尤其适合低电压供电场景)。
  3. 漏电流与安全特性:

    • 集电极截止电流(I_{CBO}=100nA)(典型值),漏电流极小,适合低功耗待机电路(如智能穿戴设备);
    • 射基极击穿电压(V_{EBO}=5V),避免射极反向偏置时的击穿风险,提升电路可靠性。

(二)高频性能参数

特征频率(f_T=100MHz),表明该晶体管在100MHz以下频率范围内仍能保持有效信号放大能力,适配FM射频前端、蓝牙无线耳机等高频场景。

三、封装与可靠性设计

  1. 封装形式:采用SOT-23封装,尺寸紧凑(约2.9×1.6×1.1mm),适合便携式设备(智能手机、智能手表)的高密度PCB布局,减少占用空间。
  2. 温度适应性:工作温度范围为(-55℃)+150℃,覆盖工业级(-40℃+85℃)及部分高温场景,可满足户外设备、车载周边电路的温度要求。
  3. 可靠性保障:LRC采用成熟的半导体制造工艺,参数一致性好,长期使用漏电流稳定,符合电子元器件基本可靠性标准。

四、典型应用场景

结合参数特性,S-LBSS4240LT1G的主要应用方向包括:

  1. 便携式电子设备:智能手机、平板的电源管理模块(电池充放电控制)、音频信号放大电路;
  2. 高频小信号放大:FM收音机、蓝牙无线耳机的射频前端信号放大;
  3. 中等负载驱动:小型LED指示灯驱动、微型继电器线圈驱动;
  4. 工业控制电路:传感器信号放大、低功率执行器驱动(适配宽温环境)。

五、品牌与质量背书

乐山无线电(LRC)是国内半导体行业老牌厂商,拥有数十年分立器件研发与制造经验,产品广泛应用于消费电子、工业、汽车等领域。S-LBSS4240LT1G作为其常规产品线,参数稳定、供货周期可控,适合批量生产需求。

该产品通过优化核心参数与封装设计,成为小功率NPN晶体管中兼具性能与实用性的选择,可满足多数中端电子设备的基础放大/驱动需求。

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