WMSIC Electronic Components

Slkor SL3904

ModelSL3904
PackageSOT-23
BrandSLKOR
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
Slkor SL3904
Type
SLKOR
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SLKOR
Electronic Component
SL3904
Electronic Component
1
Package
SOT-23
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
0.032g
Electronic Component
1
Electronic Component
BM0264567852
Transistor Type
NPN
Frequency(f T)
300MHz
Power Dissipation(Pd)
200mW
Electronic Component
Electronic Component
Electronic Component
3000
Collector Current(Ic)
200mA

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

SL3904 NPN型三极管产品概述

一、产品基本定位

SL3904是Slkor(萨科微)推出的通用NPN型双极型晶体管(BJT),属于小功率高频器件范畴。该器件采用SOT-23表面贴装封装,兼具小体积、高可靠性、宽应用场景三大核心优势,可满足电子电路中信号放大、开关控制等基础功能需求,是消费电子、通信设备、便携式产品等领域的常用器件之一。

二、核心电气参数解析

SL3904的关键参数明确了其安全工作边界与性能特性,具体如下:

1. 电压与电流额定值

  • 集射极击穿电压(Vceo):40V(基极开路状态下),是集电极与发射极之间可承受的最大反向电压,避免电路过压损坏;
  • 射基极击穿电压(Vebo):6V(集电极开路状态下),限制发射极与基极的反向电压,防止结击穿;
  • 集电极连续电流(Ic):200mA,为长期工作时集电极可承受的最大电流,直接决定器件驱动能力。

2. 功率与增益特性

  • 最大耗散功率(Pd):300mW(基础参数),结合SOT-23封装散热能力,实际应用需控制功率损耗在合理范围;
  • 直流电流增益(hFE):典型值100(Vce=1V、Ic=10mA时),增益稳定,适合小信号放大场景;
  • 特征频率(fT):300MHz,表明器件可有效放大300MHz以下的高频信号,兼顾低频与高频应用。

3. 开关与截止特性

  • 集射极饱和电压(VCE(sat)):400mV(Ic=50mA、Ib=5mA时),低饱和压降显著降低开关损耗,提升开关效率;
  • 集电极截止电流(Icbo):50nA(基极开路、集电极反向偏置时),漏电流极小,截止状态理想,适配低功耗电路。

三、封装与典型应用场景

1. 封装特点

SL3904采用SOT-23表面贴装封装,尺寸紧凑(约2.9×1.6×1.1mm),具备三大优势:

  • 节省PCB空间,适配高密度电路设计(如智能手机、智能手环等便携设备);
  • 支持自动化贴装,提高生产效率;
  • 封装抗机械应力与环境适应性较好,可满足-40℃~85℃的常规工作温度范围。

2. 典型应用场景

结合参数特性,SL3904适用于以下场景:

  • 小信号放大:音频前置放大、传感器信号调理(如温度/压力传感器的微弱信号放大);
  • 开关控制:小功率LED驱动(单颗可驱动200mA以内LED)、逻辑电平转换(5V转3.3V)、微控制器外围开关电路;
  • 高频电路:射频前端小信号滤波、低功率射频放大;
  • 便携式设备:蓝牙耳机、智能手表等便携产品的内部辅助电路(体积小、功耗低)。

四、品牌与可靠性保障

SL3904由国内半导体厂商Slkor(萨科微)生产,该品牌专注于功率器件、晶体管等领域的研发与制造,产品具备以下可靠性优势:

  • 多批次参数测试,一致性好;
  • 封装工艺成熟,可有效降低湿度、温度等环境因素对性能的影响;
  • 符合商业级标准,可满足多数电子设备的可靠性要求。

综上,SL3904是一款性能均衡的通用NPN三极管,适合中小功率、高频信号处理与开关控制场景,是电子设计中的实用基础器件。

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