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LGE BC337-25 BC337
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- LGE BC337-25
- Type
- LGE
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- LGE
- Electronic Component
- BC337-25
- Electronic Component
- 1
- Package
- TO-92
- Electronic Component
- 1 NPN
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.197g
- Electronic Component
- 1
- Electronic Component
- BM0230873936
- Transistor Type
- NPN
- Frequency(f T)
- 210MHz
- Power Dissipation(Pd)
- 625mW
- Electronic Component
- Electronic Component
- Electronic Component
- 1000
- Collector Current(Ic)
- 800mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BC337-25 产品概述
一、概述
BC337-25 是一款常用的通用 NPN 双极型晶体管，鲁光（LGE）品牌，TO-92 塑封直插封装。器件面向中低功率放大与开关场合，具备较高的电流承载能力与中等电流增益，适合各种电子设备中的驱动与信号放大用途。
二、主要技术参数
- 晶体管类型：NPN
- 集电极电流 Ic：800 mA（最大）
- 集射极击穿电压 Vceo：45 V
- 最大耗散功率 Pd：625 mW
- 直流电流增益 hFE：160（于 Ic=100 mA、VCE=1 V 条件）
- 特征频率 fT：210 MHz
- 集电极截止电流 Icbo：100 nA
- 集电极饱和电压 VCE(sat)：700 mV（典型）
- 射基极击穿电压 Vebo：5 V
- 封装：TO-92
- 品牌：LGE（鲁光）
三、特性与优势
- 中等至较高的集电极电流能力（最大 800 mA），可直接驱动小型继电器、指示灯组或小功率电机。
- Pd=625 mW 在 TO-92 封装条件下，能满足多数低功率开关与放大场景，但需注意散热与环境温度对额定功率的影响。
- hFE≈160（在 100 mA 时）表明器件在中等偏流下具有良好放大能力，适用于音频前级、小信号放大及电流放大环节。
- fT=210 MHz 支持一定带宽的信号处理，适合中频放大与高速开关应用。
- 低 Icbo（100 nA）意味着在常温下漏电流较小，有利于提高待机性能与降低静态误差。
四、典型应用
- 低功耗继电器、LED 驱动、直流电机小电流驱动
- 音频前级放大、信号放大器、缓冲级
- 数字电路开关、逻辑电平转换与功率放大器前置驱动
- 一般电子设备的通用替换元件
五、使用建议与注意事项
- 热管理：TO-92 封装的热阻较大，工作时应控制结温，不宜长时间在额定 Pd 下运行；在高环境温度或连续大电流工况下应适当降额使用或增加散热措施。
- 开关驱动：为确保饱和导通，开关时基极驱动电流应选为 Ic/（10~20），可确保 VCE(sat) 接近标称值。
- 偏置与线性放大：线性区工作时注意 hFE 随温度和电流变化较大，电路设计应考虑增益漂移与偏置稳定性。
- 极性与击穿：Vceo=45 V、Vebo=5 V，确保电路中相应电压不超过极限值，避免反向破坏。高温下 Icbo 可能增大，应在电路设计中留有裕量。
- 封装引脚与图纸：TO-92 常见三脚排列可能因厂家不同而异，装配前请参照鲁光官方数据手册核对引脚定义与封装图。
六、封装与采购建议
BC337-25（LGE 鲁光）以 TO-92 塑封供应，适合直插装配与手工焊接。批量采购或用于量产时建议索取样品并查看完整数据手册、最大额定曲线及典型特性曲线，确认电气与热特性满足具体应用，同时关注器件的存储与防静电要求。
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