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DIOTEC BC337-25BK BC337
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DIOTEC BC337-25BK
- Type
- DIOTEC
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DIOTEC
- Electronic Component
- BC337-25BK
- Electronic Component
- 1
- Package
- TO-92
- Electronic Component
- 1 NPN
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.214g
- Electronic Component
- 1
- Electronic Component
- BM0226506932
- Operating Temperature
- 55℃~+150℃
- Transistor Type
- NPN
- Frequency(f T)
- 100MHz
- Power Dissipation(Pd)
- 625mW
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BC337-25BK（DIOTEC）产品概述
一、产品简介
BC337-25BK 是 DIOTEC（德欧泰克）出品的一款通用型 NPN 晶体管，采用 TO-92 塑封封装，适合多种低功率开关与放大场合。器件在中等电流下具有良好的直流电流增益和高频响应，适合作为驱动级、前置放大和通用开关使用。
二、主要特性
- 直流电流增益 hFE = 160（测量条件：Ic = 100mA, VCE = 1V），属中高增益等级。
- 最大集电极电流 Ic = 800mA，能满足短时较大电流需求。
- 集电极-射极击穿电压 Vceo = 45V，可在中等电压电路中可靠工作。
- 特征频率 fT = 100MHz，具备良好的小信号高频性能。
- 集电极截止电流 Icbo = 100nA，低漏电流利于提升静态性能。
- 射基极击穿电压 Vebo = 5V。
- 饱和压 VCE(sat) 典型约 700mV（与驱动电流和测试条件相关）。
- 最大耗散功率 Pd = 625mW（TO-92 封装，需关注散热与环境温度）。
- 工作结温范围 Tj = -55℃ ~ +150℃，适合工业级温度环境。
三、封装与机械信息
器件采用常见的 TO-92 三极管塑封形式，便于穿孔安装与手工焊接。具体引脚排列、引脚间距以及封装尺寸请以 DIOTEC 官方数据表为准，以确保装配与电路板布局无误。
四、典型应用场景
- 低中电流开关：驱动继电器、光耦、指示 LED、步进/直流微电机的控制单元（注意散热）。
- 信号放大：小信号前级放大、传感器信号调理、音频前端放大。
- 通用驱动级：作为逻辑电平到功率器件之间的缓冲或驱动晶体管。
- 高频小信号电路：利用其 100MHz 的 fT，可用于中低频率放大与混合信号处理。
五、使用建议与注意事项
- 虽然最大 Ic 标称 800mA，但在 TO-92 封装下连续工作应受限于耗散功率（625mW）与结温，必要时采取散热或减小工作周期。
- 饱和压与增益受基极驱动电流影响，设计时应根据目标 Ic 选择合适的基极限流和驱动能力，以保证开关性能和线性度。
- 对于高温或长期运行环境，应参考温度漂移与功耗降额曲线，避免长期在极限参数附近工作。
- 具体引脚定义、测试条件与极限评分请以厂家数据手册为准，选型时确认后缀（如 -25、BK）对应的增益分组与封装版本。
六、质量与选型建议
DIOTEC 提供的 BC337-25BK 面向工业与通用电子用途，具备宽温度范围与稳定的电气特性。若需替换或并联使用，建议匹配增益分组与封装散热条件；在要求更高功率或更低饱和压的场合，可考虑封装更大的功率器件或 MOSFET 方案。
如需进一步的电气特性曲线、封装图或推荐原理图，建议索取 DIOTEC 官方数据表与应用说明。
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