WMSIC Electronic Components

YANGJIE BC846BS

ModelBC846BS
PackageSOT-363
BrandYANGJIE
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

13 specifications

Core information

Product name
YANGJIE BC846BS
Type
SOT-363
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
BC846BS
Electronic Component
1
Package
SOT-363
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0264745503
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.

BC846BS NPN型三极管产品概述

BC846BS是扬杰科技(YANGJIE)推出的通用NPN型双极结型晶体管(BJT),属于小信号三极管范畴,兼具高增益、中高频响应与宽温可靠性,广泛适用于消费电子、工业控制、便携式设备等领域的信号放大与开关场景。

一、产品基本定位与品牌背景

BC846BS定位为通用小信号NPN三极管,对标国际标准型号,是扬杰科技在功率器件与小信号器件领域的经典产品线之一。扬杰科技作为国内半导体行业头部企业,拥有成熟的器件设计与制造工艺,BC846BS在参数一致性、可靠性与成本控制上具备优势,可直接替换国际品牌同类产品,降低终端客户供应链风险。

二、关键电性能参数详解

BC846BS的核心电参数针对小信号应用优化,关键指标及意义如下:

  • 类型与额定值:NPN型结构,符合通用三极管设计,电路兼容性强;
  • 集电极电流(Ic):连续电流100mA,满足小负载驱动与中等电流放大需求;
  • 集射极击穿电压(Vceo):65V(高于BC847系列45V的常规参数),耐压裕量充足,可覆盖更高电压域应用;
  • 耗散功率(Pd):300mW,低功耗设计,适配电池供电的便携式设备;
  • 直流电流增益(hFE):200@2mA、5V(典型工作点),增益稳定,小信号放大性能优异;
  • 特征频率(fT):200MHz,截止频率较高,支持中高频信号处理(如音频、射频前端辅助电路);
  • 集电极截止电流(Icbo):15nA,漏电流极小,静态功耗低,信号失真度低;
  • 集射极饱和电压(VCE(sat)):650mV,开关状态下压降小,损耗低,适合开关控制场景;
  • 射基极击穿电压(Vebo):6V,防止基极过压损坏,提升器件可靠性。

三、封装与工作环境特性

  • 封装形式:SOT-363超小型表面贴装封装,尺寸仅1.6×0.8×0.8mm,占用PCB面积极小,适配高密度集成设计(如智能手机、可穿戴设备、小型家电控制板);
  • 工作温度范围:-55℃+150℃,宽温特性满足工业级(-40℃+85℃)、汽车级部分场景(如车载电子辅助电路)甚至极端环境需求,可靠性突出。

四、典型应用场景

BC846BS的参数特性使其适用于以下场景:

  1. 音频信号放大:耳机放大器、小型音箱前置放大,200MHz fT覆盖音频带宽(20Hz~20kHz),200的hFE保证信号增益;
  2. 开关控制电路:小电流LED驱动、继电器线圈驱动(≤100mA)、逻辑电平转换(65V耐压兼容不同电压域);
  3. 传感器信号调理:温度、压力传感器的小信号放大,15nA的Icbo减少信号失真;
  4. 射频前端辅助电路:低噪放偏置、混频器辅助开关,200MHz fT满足中高频需求;
  5. 便携式电子设备:智能手表、蓝牙耳机的控制电路,SOT-363封装小、300mW功耗适合电池供电。

五、性能优势与兼容性

  • 核心优势:①高增益(200@典型点)与高fT(200MHz)兼顾,小信号放大性能优异;②65V耐压高于同类BC84x系列,应用场景更广;③宽温范围(-55~+150℃),可靠性强;④低漏电流、低饱和压降,功耗控制好;
  • 兼容性:引脚定义、电参数与国际标准BC846BS完全一致,可直接替换国际品牌(如ON Semiconductor、NXP)同类产品,无需电路修改。

六、选型与使用注意事项

  • 选型匹配:需确认应用场景的电压(≤65V)、电流(≤100mA)、功率(≤300mW)是否匹配,避免超额定值使用;
  • 使用规范:①基极电流需控制在合理范围(避免过流,Vebo≤6V);②焊接时注意SOT-363封装的温度限制(回流焊≤260℃,时间≤10s);③静电防护:器件为ESD敏感型,需采用防静电包装与操作;④散热设计:高密度封装下需适当增加PCB铜箔面积,避免局部过热。

综上,BC846BS凭借稳定的电性能、宽温可靠性与小尺寸封装,成为通用小信号放大与开关场景的高性价比选择,适用于多领域终端产品设计。

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