The WH100-8R2JI is a wirewound resistor manufactured by TT Electronics. It is designed for applications requiring high power dissipation and reliable performance. The '8R2' indicates a resistance value of 8.2 Ohms, and the 'JI' likely signifies the tolerance and temperature coefficient characteristics of the resistor.

Applications:

• Power Supplies: Used as current-sensing or bleeder resistors in power supplies.
• Motor Control: Employed in motor control circuits for current limiting and braking.
• Audio Amplifiers: Utilized in audio amplifiers for load balancing and current control.
• Industrial Equipment: Incorporated in industrial control systems and automation equipment.
• Testing and Measurement: Used as precision load resistors in testing and measurement instruments.

Features:

• Wirewound Construction: Provides high power handling capability and excellent surge protection.
• High Power Rating: Designed to dissipate significant amounts of power without failure.
• Low Temperature Coefficient: Offers stable resistance values over a wide temperature range.
• Non-Inductive Options: Available in non-inductive configurations for high-frequency applications.
• RoHS Compliant: Meets RoHS environmental standards.

Benefits:

• Reliable Performance: Ensures consistent and dependable operation in demanding conditions.
• High Power Dissipation: Handles high power levels without degradation.
• Stable Resistance: Maintains accurate resistance values under varying temperatures.
• Long Lifespan: Offers a long operational life due to robust construction.
• Wide Range of Values: Available in a variety of resistance values to suit different applications.

Additional Details:

The WH100-8R2JI resistor typically has a ceramic core with a wire winding that is coated with a protective material. The terminals are designed for through-hole mounting. The power rating and tolerance are critical parameters to consider when selecting this resistor. The datasheet provides detailed information on its electrical characteristics, dimensions, and environmental ratings, ensuring it meets the design requirements. Proper heat sinking may be required for high-power applications to prevent overheating.