2N7000

The STMicroelectronics 2N7000 is a widely used N-channel MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) that is known for its versatility and reliability in various electronic applications. This device is particularly popular in low-power switching applications, signal amplification, and as a general-purpose transistor in electronic circuits. Below is a detailed overview of the 2N7000, including its specifications, features, and typical applications.

### Key Features:

1. N-Channel MOSFET: The 2N7000 is an N-channel MOSFET, which means it uses electrons as charge carriers, providing better conductivity and efficiency compared to P-channel devices.

2. Low On-Resistance (R_DS(on)): The device features a low on-resistance, which minimizes power loss during operation. This characteristic is crucial for applications where efficiency is important.

3. High-Speed Switching: The 2N7000 is designed for fast switching applications, making it suitable for use in high-frequency circuits.

4. Compact Package: The MOSFET is available in a TO-92 package, which is a standard through-hole package that is easy to handle and mount on PCBs.

5. Thermal Performance: The 2N7000 is designed to handle significant power levels while maintaining a manageable temperature, thanks to its thermal characteristics.

### Specifications:

- Part Number: 2N7000
- Type: N-channel MOSFET
- Maximum Drain-Source Voltage (V_DS): 60V
- Continuous Drain Current (I_D): 200mA (at 25°C)
- Pulsed Drain Current (I_D, pulsed): 400mA
- On-Resistance (R_DS(on)):
- Approximately 0.5Ω (at V_GS = 10V)
- Gate Threshold Voltage (V_GS(th)): 2V to 4V
- Maximum Gate-Source Voltage (V_GS): ±20V
- Total Gate Charge (Q_g): 10 nC (at V_GS = 10V)
- Operating Temperature Range: -55°C to +150°C
- Package Type: TO-92 (3-pin through-hole)

### Applications:

The 2N7000 is suitable for a wide range of applications, including:

- Switching Applications: Used in low-power switching applications, such as turning on and off loads in various electronic devices.
- Signal Amplification: Can be used in analog circuits for signal amplification due to its high input impedance and low output capacitance.
- Level Shifting: Useful in level shifting applications where signals need to be converted between different voltage levels.
- Relay Drivers: Acts as a driver for relays in control circuits, allowing for the control of higher power loads with low-power signals.
- LED Drivers: Can be used to drive LEDs in various lighting applications.

### Conclusion:

The STMicroelectronics 2N7000 is a versatile and efficient N-channel MOSFET that offers low on-resistance, high-speed switching, and excellent thermal performance. Its compact TO-92 package makes it an ideal choice for a variety of applications, from consumer electronics to industrial equipment. With its reliable performance and wide range of specifications, the 2N7000 is a popular choice among engineers and designers looking to implement efficient switching and amplification solutions in their circuits.