The BC337 is an NPN silicon bipolar junction transistor (BJT) suitable for switching and amplification in general-purpose circuits. With a collector current rating of 800 mA and a collector-emitter voltage of 50V, it can drive relays, LEDs, small motors, and other moderate loads directly from a microcontroller output.

Key Features

• Type – NPN Bipolar Junction Transistor
• Collector-Emitter Voltage (V_CEO) – 50V
• Max Collector Current (I_C) – 800 mA
• Package – TO-92
• Drop-In Replacement – Compatible with P2N2222A transistor

Ideal For

• Switching loads from Arduino or Raspberry Pi GPIO pins
• Driving relays, LEDs, and small motors
• Signal amplification circuits
• General-purpose electronics prototyping

Package Contents

• 1× BC337 NPN Transistor (TO-92)

Resources

• Datasheet (PDF)