DIODE AY (P/N 0770783-2) - New Surplus

The 0770783-2 is a diode assembly for Cessna aircraft electrical systems, installed across the starter contactor coil. This component provides one-way current flow while suppressing inductive transients and back-EMF that can damage avionics and electrical components. The diode protects sensitive aircraft systems during starter motor engagement and disengagement cycles.

Install per your aircraft's wiring diagram and Cessna maintenance documentation, ensuring correct polarity orientation. Verify part compatibility with your specific aircraft model using the Illustrated Parts Catalog before installation.

What is the DIODE AY (P/N 0770783-2)?

The 0770783-2 is a diode assembly for Cessna aircraft electrical systems, installed across the starter contactor coil. This component provides one-way current flow while suppressing inductive transients and back-EMF that can damage avionics and electrical components.

Is the 0770783-2 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The DIODE AY 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 0770783-2 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 0770783-2?

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.