Transistor BJT NPN 2N3904

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:
  1. Emitter
  2. Base
  3. 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)​.