BC337 is a general purpose NPN transistor. Which is comes in TO-92 Plastic packaging. This transistor is used in pre amplifier stage and switching circuit. In this article I’m sharing the detailed information’s about Pinout, specifications and Equivalent transistor numbers for replacement.
Specifications
The features and specifications of BC337 NPN transistor is given below, This characteristic’s is also same as the complementary pair of BC327 PNP transistor.
- Type: NPN
- Maximum Collector-Emitter Voltage (VCEO): 45V
- Maximum Collector Current (IC): 800 mA
- Power Dissipation: 625 mW
- DC Current Gain (hFE): 100 – 600 (It is depending on variant: BC337-16, -25, -40)
- Transition Frequency (fT): Typically 200 MHz
- Package: TO-92
BC337 Transistor Pinout
Pinout Configuration
| Pin Number | Pin Name |
|---|---|
| 1 | Emitter |
| 2 | Base |
| 3 | Collector |
Complementary Pair of Transistor
The BC327 (PNP) and BC337 (NPN) transistors are designed as a complementary pair of transistors. Which will makes them ideal choice for push-pull amplifier circuits, class B amplifier stages and full H-bridge motor drivers circuits. Their matching characteristics in voltage, current, and gain allow them to work efficiently together in circuits requiring both polarities of transistor action. Using them as a pair helps in achieving symmetrical amplification, low distortion and efficient switching in many analog and digital applications.
Applications
- Audio amplifier stages
- General-purpose switching
- Signal processing
- LED driver circuits
- Motor driver stages (low power)
