RESISTOR (P/N w21-1r5-5) - New Surplus

The w21-1r5-5 is a fixed wirewound resistor from the Welwyn/TT Electronics axial series used in aircraft electrical and avionics circuits. This component provides stable resistance and efficient heat dissipation in current-limiting applications for power and lighting systems. The wirewound construction delivers precision resistance values with reliable performance under vibration and temperature cycling typical of aviation environments.

Installation follows the aircraft wiring diagram, mounting in-line with harness leads or on terminal strips per the maintenance manual. Aerospace-grade construction ensures dependable operation in demanding flight conditions.

What is the RESISTOR (P/N w21-1r5-5)?

The w21-1r5-5 is a fixed wirewound resistor from the Welwyn/TT Electronics axial series used in aircraft electrical and avionics circuits. This component provides stable resistance and efficient heat dissipation in current-limiting applications for power and lighting systems.

Is the w21-1r5-5 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The RESISTOR is available in: New Surplus. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the w21-1r5-5 come with an 8130-3 airworthiness tag?

Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.

Do you offer bench testing for the w21-1r5-5?

We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.