WMSIC Electronic Components

KEC KTC3209-Y-AT/P

ModelKTC3209-Y-AT/P
PackageTO-92L
BrandKEC
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
KEC KTC3209-Y-AT/P
Type
KEC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KEC
Electronic Component
KTC3209-Y-AT/P
Electronic Component
1
Package
TO-92L
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
0.381g
Electronic Component
1
Electronic Component
BM0265368660
Transistor Type
NPN
Frequency(f T)
100MHz
Power Dissipation(Pd)
1W
Electronic Component
Electronic Component
Electronic Component
3000
Collector Current(Ic)
2A

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

KTC3209-Y-AT/P NPN型三极管产品概述

一、产品基本定位与核心属性

KTC3209-Y-AT/P是韩国KEC品牌推出的通用型NPN双极型晶体管(BJT),定位于中小功率电子电路的信号放大与开关控制场景。作为一款成本效益优异的分立器件,它兼顾了电气性能稳定性、安装便利性与环境适应性,广泛适配消费电子、工业控制、汽车辅助电路等领域的基础应用需求。

二、关键电气参数深度解析

该器件的核心参数直接决定应用边界,以下是关键参数的实际意义与价值:

  1. 集电极电流(Ic):2A(最大值)
    最大持续集电极电流达2A,支持驱动中等功率负载(如小型继电器、1W以内LED阵列、微型电机),无需额外功率放大级即可满足基础功率输出需求。
  2. 集射极击穿电压(Vceo):50V
    集电极-发射极反向击穿电压为50V,可稳定工作在12V、24V等常见低压系统,面对瞬态过压(如电源波动)时提供足够耐压裕量,降低损坏风险。
  3. 耗散功率(Pd):1W
    最大允许耗散功率1W,连续工作需注意散热(如合理布局),但脉冲模式下可承受更高瞬时功率,拓展应用灵活性。
  4. 直流电流增益(hFE):典型值70
    直流放大倍数约70,保证信号放大的线性度与稳定性,适合音频前置放大、传感器信号调理等中等增益场景。
  5. 特征频率(fT):100MHz
    特征频率达100MHz,高频下仍能保持有效放大能力,适配简单射频信号放大、高速PWM开关等高频应用。
  6. 集电极截止电流(Icbo):100nA(最大值)
    截止状态漏电流仅100nA,漏电流极小,适合低功耗电路(如电池供电设备),有效降低待机功耗。
  7. 集射极饱和电压(VCE(sat)):500mV(典型值)
    饱和压降仅0.5V,开关应用中损耗低、效率高,保证负载获得接近电源电压的驱动能力(如LED亮度稳定)。
  8. 射基极击穿电压(Vebo):5V
    发射极-基极反向击穿电压5V,避免反向过压(如信号源反向脉冲)损坏基极,提升电路可靠性。

三、封装与物理特性

KTC3209-Y-AT/P采用TO-92L封装(3引脚通孔式),相比普通TO-92封装,具备以下优势:

  • 安装便捷:通孔插件设计,适配传统PCB焊接工艺,无需特殊贴装设备,适合原型开发与批量生产;
  • 散热辅助:引脚面积较大,可辅助散热,满足1W以内持续功率的散热需求;
  • 尺寸紧凑:体积小巧,节省PCB空间,适配小型化设备(如智能家居控制器、小型仪器)。

引脚排列遵循TO-92标准:从印字面看,依次为E(发射极)、B(基极)、C(集电极),焊接前需确认极性。

四、品牌与可靠性优势

KEC作为韩国半导体领域的成熟厂商,在分立器件上拥有多年技术积累,KTC3209-Y-AT/P具备:

  • 参数一致性:批量生产时hFE、VCE(sat)等关键参数离散性小,无需额外筛选即可量产;
  • 环境适应性:符合工业级基础温湿度要求(典型工作温度-55℃~150℃),可在一般工业环境稳定工作;
  • 环保认证:通过RoHS认证,符合无铅焊接要求,适配现代电子产业环保标准。

五、典型应用场景参考

结合参数特性,典型应用包括:

  1. 小功率开关控制:驱动5V/12V小型继电器、LED指示灯、微型电磁阀;
  2. 音频信号放大:前置放大级驱动小型扬声器(如便携式音箱、玩具发声电路);
  3. 电源辅助电路:线性稳压电路的调整管辅助、过流保护电路的开关管;
  4. 传感器接口:温度/压力传感器的信号放大与调理;
  5. 简单射频电路:100MHz以下的射频信号放大(如无线遥控接收端前置放大)。

六、注意事项与选型建议

  1. 散热设计:持续工作时需确保PCB铜箔面积≥10mm²,避免集中发热;
  2. 极性识别:焊接前确认E-B-C引脚,避免反接损坏;
  3. 基极保护:基极回路串联1kΩ~10kΩ限流电阻,防止Vebo过压;
  4. 替换选型:若需更高功率(Pd≥2W),可考虑KEC KTC3807;若需更高频率(fT≥300MHz),可选KTC2907。

该器件以平衡的性能与成本优势,成为中小功率电路的可靠选择,适配多数基础电子系统的开发需求。

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