DIODE (P/N 1n1343b) - New Surplus

The 1n1343b is a stud-mount rectifier diode in a DO-203AA (DO-4) package, rated for 150V and 16A operation. This semiconductor provides unidirectional current flow for DC bus rectification in aircraft power systems. Primary functions include alternator-to-battery isolation and reverse-battery protection in avionics circuits.

Install per aircraft wiring diagram and maintenance manual specifications, verifying voltage and current ratings against the Illustrated Parts Catalog before integration into power distribution systems.

What is the DIODE (P/N 1n1343b)?

The 1n1343b is a stud-mount rectifier diode in a DO-203AA (DO-4) package, rated for 150V and 16A operation. This semiconductor provides unidirectional current flow for DC bus rectification in aircraft power systems.

Is the 1n1343b compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The DIODE 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 1n1343b 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 1n1343b?

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.