Panasonic 20K201: A Comprehensive Datasheet for Electrical Engineers and Designers

The Panasonic 20K201 is a high-performance, 20-watt, 20-kilohm variable resistor with a linear taper. It is designed for use in a wide range of electronic applications, including audio, power supplies, and test equipment.

Specifications

The following table summarizes the key specifications of the Panasonic 20K201:

Features

The Panasonic 20K201 offers several key features that make it a versatile choice for a variety of applications:

• High Power Rating: The 20-watt power rating allows the 20K201 to handle high levels of current without overheating.
• Linear Taper: The linear taper provides a smooth, consistent change in resistance over the full range of the resistor.
• Wide Operating Temperature Range: The wide operating temperature range (-55°C to +125°C) makes the 20K201 suitable for use in a variety of environments.
• Long Life: The 20K201 has a long life expectancy of 1,000 hours at full power.

Applications

The Panasonic 20K201 is suitable for use in a wide range of electronic applications, including:

• Audio: Volume controls, tone controls, and other audio applications.
• Power Supplies: Control of output voltage and current.
• Test Equipment: Calibration of instruments and testing of electronic circuits.
• Industrial Controls: Control of speed, temperature, and other parameters.

Advantages

The Panasonic 20K201 offers several advantages over other variable resistors:

• High Power Rating: The 20-watt power rating allows the 20K201 to handle high levels of current without overheating, making it ideal for high-power applications.
• Linear Taper: The linear taper provides a smooth, consistent change in resistance over the full range of the resistor, making it suitable for a wide range of applications.
• Long Life: The 20K201 has a long life expectancy of 1,000 hours at full power, ensuring reliable performance over an extended period of time.
• Compact Size: The compact size of the 20K201 makes it easy to install in a variety of applications.
• Cost-Effective: The 20K201 is a cost-effective solution for a wide range of variable resistor applications.

Disadvantages

The Panasonic 20K201 has a few potential disadvantages:

• Tolerance: The ±10% tolerance may not be tight enough for some applications.
• Temperature Coefficient: The temperature coefficient of the 20K201 is not specified, so it may not be suitable for applications where precise resistance values are required over a wide temperature range.
• Availability: The 20K201 may not be readily available from all suppliers.

Tips for Using the Panasonic 20K201

To ensure optimal performance of the Panasonic 20K201, follow these tips:

• Use a heatsink: When using the 20K201 at high power levels, use a heatsink to prevent overheating.
• Mount the resistor securely: Mount the 20K201 securely to prevent vibration and damage.
• Use the correct tools: Use the correct tools to adjust the resistance of the 20K201. Do not overtighten the adjustment screw.
• Store the resistor properly: Store the 20K201 in a cool, dry place when not in use.

Conclusion

The Panasonic 20K201 is a high-performance, versatile variable resistor that is suitable for a wide range of electronic applications. Its high power rating, linear taper, long life, and compact size make it an excellent choice for applications where precision and reliability are required.

Additional Resources

• Panasonic 20K201 Datasheet
• Variable Resistors
• How to Use a Variable Resistor