2N7002ET1G: Overview, Features, and Applications

The 2N7002ET1G is an N-channel enhancement-mode Field-Effect Transistor (FET) designed for general-purpose switching applications in electronic circuits. This MOSFET is typically used in low-power and low-voltage circuit designs. Here’s an overview of its features and common applications:


  • Type: N-Channel Enhancement Mode MOSFET
  • Package: SOT-23
  • Manufacturer: ON Semiconductor



  1. Enhancement Mode: This MOSFET operates in the enhancement mode, requiring a positive gate voltage to enable current flow between the drain and source terminals.
  2. Low ON-Resistance: The 2N7002ET1G is known for its low ON-resistance, making it suitable for low-power applications and reducing power losses during operation.
  3. Compact Package: Designed in a small SOT-23 package, the 2N7002ET1G allows for efficient use of board space and ease of integration into various electronic circuits.
  4. Low Gate Threshold Voltage: This feature makes it compatible with low-voltage control signals and suitable for low-power applications.


  1. Signal Switching: Commonly used for small-signal switching applications in low-voltage and low-power circuits, including signal routing and digital control applications.
  2. Level Shifting: Suitable for level-shifting applications, especially when interfacing between different voltage level circuits.
  3. Load Switching: Utilized as a switch to control power supply to various sub-circuits, especially in portable and battery-operated systems.
  4. Amplification: Employed for signal amplification in low-power and low-frequency applications, providing high gain with minimal power consumption.
  5. Oscillator Circuits: Used in oscillator and waveform generation circuits, particularly where low-power consumption is essential.
  6. Voltage Regulation: Integrated into low-power voltage regulator circuits to regulate and control voltages efficiently, especially in battery-operated systems and portable electronics.


The 2N7002ET1G is a versatile MOSFET that finds application across a wide range of digital and analog circuits, especially in portable devices, low-power integrated circuits, and various small-scale electronic systems. It’s particularly suitable for applications that require efficient power management and compatibility with low-voltage levels.

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