WMSIC Electronic Components

Nexperia BC817-16QCZ BC817

ModelBC817-16QCZ
PackageDFN-3(1.4x1.2)
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 26+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
Nexperia BC817-16QCZ
Type
NEXPERIA
Unit
Electronic Component
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
NEXPERIA
Electronic Component
BC817-16QCZ
Electronic Component
1
Package
DFN-3(1.4x1.2)
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
1g
Electronic Component
1
Electronic Component
BM0227558217
Operating Temperature
55℃~+150℃
Transistor Type
NPN
Frequency(f T)
100MHz
Power Dissipation(Pd)
380mW
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.

BC817-16QCZ NPN晶体管产品概述

一、产品定位与核心属性

BC817-16QCZ是Nexperia(安世半导体)推出的通用小信号NPN晶体管,属于BC817系列的超小型封装版本,专为低功耗、高密度PCB设计场景优化。该器件兼具信号放大与小功率开关功能,可覆盖消费电子、汽车电子、工业控制等多领域的基础应用需求,是替代传统通孔封装晶体管的高效选择。

二、核心电气参数详解

BC817-16QCZ的电气参数经过平衡优化,关键性能如下:

1. 功率与电流能力

  • 最大集电极电流(Ic):500mA(连续工作),可驱动小型负载(如LED、小型继电器线圈);
  • 最大耗散功率(Pd):380mW,适合低功耗场景,无需额外散热设计;
  • 集射极饱和电压(VCE(sat)):700mV(典型值),开关状态下压降低,减少功率损耗。

2. 电压与击穿特性

  • 集射极击穿电压(Vceo):45V,可承受中等电压范围的信号与电源波动,覆盖大部分低中压应用;
  • 集电极截止电流(Icbo):100nA(最大值),截止状态漏电极小,保证静态功耗低。

3. 放大与频率特性

  • 直流电流增益(hFE):100(典型值,测试条件:Ic=100mA、VCE=1V),增益一致性好,电路设计无需复杂补偿;
  • 特征频率(fT):100MHz,适合100MHz以下的高频小信号放大(如射频辅助放大、中频信号处理)。

三、封装与物理特性

BC817-16QCZ采用DFN-3(SOT8009)封装,尺寸仅1.4mm×1.2mm,具有以下优势:

  • 空间效率:相比传统SOT-23封装,体积缩小约60%,适合便携设备(如智能手机、智能手表)的高密度PCB布局;
  • 引脚配置:通常为1脚(基极B)、2脚(发射极E)、3脚(集电极C),焊接兼容性好,支持自动化贴装;
  • 散热设计:DFN封装热阻低(典型值~150℃/W),可有效散发布局密集时的局部热量,保证Pd参数下的稳定工作。

四、典型应用场景

BC817-16QCZ的参数特性适配多领域基础应用,常见场景包括:

1. 消费电子

  • 智能手机/平板的电源管理模块:小信号开关、电压调节辅助;
  • 智能穿戴设备的传感器接口:信号放大、电平转换(如5V转3.3V);
  • 音频设备的前置放大:低噪声小信号放大,提升音频清晰度。

2. 汽车电子

  • 车载传感器(温度、压力传感器)的信号调理:放大微弱信号至MCU可识别电平;
  • 小功率执行器驱动:仪表盘LED背光控制、小型继电器线圈驱动;
  • 逻辑电平转换:适配12V转5V等不同电压域。

3. 工业控制

  • 小型PLC的输入输出接口:数字信号放大、开关控制;
  • 工业传感器的信号放大:光电传感器、接近开关的信号调理;
  • 低功耗设备的电源开关:电池供电设备的电源通断控制。

4. 通信设备

  • 射频前端的辅助放大:100MHz以下的中频信号放大;
  • 通信模块的滤波电路:配合电容电阻实现信号滤波与放大。

五、关键优势总结

BC817-16QCZ在同类器件中具有明显综合优势:

  1. 超小型封装:DFN-3尺寸紧凑,节省PCB空间,适配便携与高密度设计;
  2. 低损耗开关:700mV饱和压降,开关状态功耗低,适合高频开关应用;
  3. 参数一致性好:hFE典型值稳定(100),电路设计简单,批量生产一致性高;
  4. 低漏电特性:Icbo仅100nA,截止状态功耗可忽略,适合电池供电设备;
  5. 宽电压覆盖:Vceo=45V,兼容3.3V~45V电压范围,应用场景广;
  6. 品牌可靠性:Nexperia器件符合工业/汽车级质量标准(如AEC-Q101可选),长期工作稳定性高。

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