MMBT3904LT3G: Overview, Features, and Applications

The MMBT3904LT3G is an NPN bipolar junction transistor (BJT) manufactured by ON Semiconductor. It is a widely used general-purpose small-signal transistor. Here's an overview of its features and applications:

Overview:

  • Type: NPN Bipolar Junction Transistor (BJT)
  • Package: SOT-23
  • Manufacturer: ON Semiconductor

MMBT3904LT3G

Features:

  1. General-Purpose Transistor: The MMBT3904LT3G is designed as a general-purpose transistor suitable for a wide range of applications.
  2. Low Power Dissipation: Optimized for low power applications, making it suitable for battery-powered devices and low-power circuits.
  3. Medium Power, Medium Current Amplification: This BJT is designed for medium power and medium current amplification applications.
  4. High Current Gain (hFE): The high current gain allows the transistor to effectively amplify weak signals, suitable for amplification purposes.
  5. SOT-23 Package: SOT-23 package is designed for surface mount applications, provides high packing density and efficient use of board space.

Applications:

  1. Switching Applications: The MMBT3904LT3G is often used in digital and analog switching applications due to its fast switching speed and low saturation voltage.
  2. Amplification: Commonly employed for amplification in various electronic circuits, including audio amplifiers, small signal amplifiers, and signal processing circuits.
  3. Signal Processing: Used in oscillators, waveform generators, and other signal processing circuits due to its amplification characteristics and frequency response.
  4. Voltage Regulation: It may be used in linear voltage regulation circuits, in conjunction with other components, to regulate voltage in power supplies or other applications.
  5. Pulse Circuits: Applications include pulse generation and shaping, particularly in digital circuits or applications requiring precise timing.
  6. Driver Circuits: Often used as a driver transistor in various integrated circuits, relays, and other loads requiring higher current or voltage drive than what the controlling circuit can provide directly.

The MMBT3904LT3G, with its general-purpose design, medium power characteristics, and small package, is widely used in various electronic circuits, including amplification, switching, and signal processing applications.

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