The MMBT3904W is a general-purpose NPN bipolar junction transistor (BJT) manufactured by Weitron Technology. It is designed for use in a wide range of switching and amplification applications. This transistor is commonly used in various electronic circuits due to its versatile characteristics and reliable performance.

Applications

• Switching circuits
• Amplifier circuits
• Driver stages
• Oscillator circuits
• General-purpose switching and amplification

Features

• NPN Bipolar Junction Transistor
• Low saturation voltage
• High current capability
• Fast switching speed
• Small SOT-323 package

Benefits

• Efficient switching due to low saturation voltage
• Suitable for high-current applications
• High-speed operation in switching circuits
• Compact size for space-constrained designs
• Versatile use in a broad range of electronic applications

Technical Specifications

The MMBT3904W has a collector-emitter voltage (VCEO) of 40V, a collector current (IC) of 200mA, and a power dissipation of 200mW. The DC current gain (hFE) typically ranges from 100 to 300. It is housed in a small SOT-323 package, making it suitable for high-density circuit designs. The transistor's fast switching speed and low saturation voltage contribute to its efficiency in various switching applications.