MMBT3904 TRANSISTOR 1AM NPN 40V 200MA 300MW SURFACE MOUNT SOT-23

The MMBT3904 is an NPN switching transistor that belongs to the 2N3904 family, commonly used for switching and amplification purposes in various electronic circuits. It is designed to handle moderate levels of current and voltage, making it suitable for low to medium power applications. This transistor is widely favored for its compact size, reliability, and affordability, making it a popular choice among hobbyists and professionals alike.

Key Features of MMBT3904 NPN Switching Transistor:

• • Small Signal Amplification: Ideal for amplifying small signals in audio and other electronic circuits.
  • Switching Speed: Fast switching speed suitable for digital logic circuits and switching applications.
  • Low Noise: Provides minimal noise interference, crucial for signal integrity in sensitive circuits.
  • High Gain: Offers high current gain (hFE) for efficient amplification of weak signals.
  • Low Saturation Voltage: Ensures efficient operation even at lower voltages.

Technical Specifications of MMBT3904 NPN Switching Transistor:

• • Maximum Collector-Base Voltage (VCBO): 60V.
  • Maximum Collector-Emitter Voltage (VCEO): 40V.
  • Maximum Emitter-Base Voltage (VEBO): 6V.
  • Continuous Collector Current (IC): 200mA.
  • Power Dissipation (PD): 300mW.
  • Transition Frequency (ft): 250MHz.
  • Operating Temperature Range: -55°C to +150°C.

Mechanical Specifications of MMBT3904 NPN Switching Transistor:

• • Package Type: SOT-23.
  • Dimensions: Small form factor, suitable for compact circuit designs.
  • Pin Configuration: Collector, Base, and Emitter leads for easy integration into circuits.
  • Mounting Type: Surface-mount technology (SMT) compatible.
  • Marking: 1AM

Dimensions:

• • Package Size (SOT-23): Approximately 2.9mm x 1.3mm x 1.1mm.

Schematic Diagram, Connection, Wiring, and Pinout of MMBT3904 NPN Switching Transistor:

• • Pin Configuration: SOT-23 package typically has three leads: Collector (C), Base (B), and Emitter (E).
  • Connection: Ensure correct polarity and connections as per the circuit design to avoid damage.
  • Wiring: Use standard PCB design practices for optimal performance.

Datasheet of MMBT3904 NPN Switching Transistor:

• • For detailed technical information, refer to the datasheet provided by the manufacturer.

Applications of MMBT3904 NPN Switching Transistor:

• • Signal Amplification: Used in audio amplifiers and signal processing circuits.
  • Switching Circuits: Essential for digital logic circuits and switching applications.
  • Pulse Circuits: Utilized in pulse generators and timing circuits.
  • Voltage Regulation: Part of voltage regulator circuits for stabilization.
  • LED Drivers: Controls current to LEDs in lighting and display applications.

Equivalent of MMBT3904 NPN Switching Transistor:

• • 2N3904: Direct equivalent with similar specifications and performance characteristics.
  • PN2222: Provides comparable functionality and widely used in similar applications.

Keywords for MMBT3904 NPN Switching Transistor:

• • MMBT3904 NPN Transistor
  • Switching Transistor SOT-23
  • High Gain NPN Transistor
  • Low Noise Amplifier
  • Fast Switching Transistor

Package Includes:

• • 1 x MMBT3904 NPN Switching Transistor