WMSIC Electronic Components

Nexperia BC847B,235 BC847B

ModelBC847B,235
PackageSOT-23
BrandNexperia
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 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
Nexperia BC847B, 235
Type
NEXPERIA
Unit
Electronic Component
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
NEXPERIA
Electronic Component
BC847B,235
Electronic Component
1
Package
SOT-23
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
0.027g
Electronic Component
1
Electronic Component
BM0227553502
Operating Temperature
65℃~+150℃
Transistor Type
NPN
Frequency(f T)
100MHz
Power Dissipation(Pd)
250mW
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.

Nexperia BC847B,235 三极管产品概述

一、产品基本定位

BC847B,235是Nexperia(安世半导体)推出的通用型NPN双极结型三极管(BJT),属于经典BC847系列的B档产品。该器件主打低功耗、中速信号处理场景,采用超小型表面贴装SOT-23封装,适用于对体积、功耗有严格要求的电子电路设计,是工业控制、消费电子、汽车电子等领域的常用分立器件。

二、核心电气性能参数解析

该器件的关键参数平衡了信号放大、开关特性与可靠性,具体表现为:

2.1 功率与电流耐受

  • 最大集电极电流(Ic):100mA——满足大多数小信号电路的电流需求(如LED驱动、传感器信号放大);
  • 最大耗散功率(Pd):250mW——低功耗设计,无需额外散热,适合便携设备;
  • 集射极击穿电压(Vceo):45V——可耐受中等电压波动,避免电路过压损坏;
  • 射基极击穿电压(Vebo):6V——正偏时需控制输入电压,防止基极-发射极反向击穿。

2.2 放大与频率特性

  • 直流电流增益(hFE):200@Ic=2mA、Vce=5V——小信号工作点下增益稳定,适合精准信号放大;
  • 特征频率(fT):100MHz——支持中速信号处理(如音频信号、低速数字逻辑),不适合高频射频场景。

2.3 开关与截止特性

  • 集射极饱和电压(VCE(sat)):200mV——饱和压降低,开关状态下损耗小,响应速度快;
  • 集电极截止电流(Icbo):5μA——漏电流极小,适合低噪声、精密电路(如传感器接口)。

2.4 温度适应性

  • 工作温度范围:-65℃+150℃——宽温设计,可覆盖工业级(-40℃+85℃)、汽车级(-40℃~+125℃)甚至极端环境需求,可靠性强。

三、封装与工艺特点

BC847B,235采用SOT-23封装,具备以下优势:

  1. 超小型体积:尺寸仅约2.9×1.6×1.1mm,适合高密度PCB布局(如手机、智能穿戴设备);
  2. 焊接兼容性:引脚布局符合行业标准,支持回流焊、波峰焊等常规表面贴装工艺;
  3. 环保与可靠性:封装材料符合RoHS、REACH等环保标准,安世的成熟工艺确保器件一致性与长期稳定性(MTBF高)。

四、典型应用场景

基于参数特性,该器件广泛应用于:

  • 通用小信号放大:音频前置放大、传感器输出调理(如温度、压力传感器);
  • 低速开关电路:小电流LED驱动、逻辑电平转换(TTL转CMOS)、按键扫描电路;
  • 工业与汽车电子:汽车仪表盘信号处理、工业传感器接口、电机控制辅助电路;
  • 消费电子:手机/平板的辅助放大、智能家居设备的控制电路。

五、品牌与品质保障

Nexperia作为全球领先的分立器件供应商,BC847系列具备:

  • 高一致性:B档产品增益范围稳定(通常180~300),批次间参数差异小;
  • 汽车级认证:部分型号符合AEC-Q101标准,适合汽车电子等严苛场景;
  • 长期供应:BC847系列是成熟量产器件,供货稳定,可满足批量生产需求。

总结:BC847B,235是一款性价比高、性能均衡的通用NPN三极管,适合低功耗、中速信号处理的各类电子设计,是工程师常用的“工作马”器件。

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