2N3904 NPN Transistor
Description: The 2N3904 is a versatile NPN bipolar junction transistor (BJT) commonly used for switching and amplification purposes in electronic circuits.
Key Features:
- Type: NPN
- Maximum Collector Current (IC): 200 mA
- Collector-Emitter Voltage (VCE): 40V
- Collector-Base Voltage (VCB): 60V
- Base-Emitter Voltage (VBE): 6V
- DC Current Gain (hFE): Up to 300
- Package: TO-92
Applications:
- Switching: Can be used to switch low power loads like LEDs and relays.
- Amplification: Suitable for signal amplification in audio and other low power applications.
- General Purpose: Often used in various electronic devices, including TVs and home appliances.
Configuration:
- Pinout:
- Emitter
- Base
- Collector
This transistor is highly reliable and widely available, making it a staple in many DIY electronics projects and professional applications.
For detailed specifications, you can refer to the ON Semiconductor Datasheet and DigiKey (Onsemi) (DigiKey) (Components101).