Aerospace Components

Military and civil to exacting standards (including space) with full traceability. Wide variation in altitude/pressure, temperature and humidity. 400 Hz and switched mode supplies. Hermetically sealed, encapsulated, low outgassing for space applications etc.

Case Study: 400Hz Avionics Transformer

Avionic1An international avionics company was seeking hermetically-sealed 400Hz isolation transformers to maintain older aircraft. The original design went back to the 1960s. A basic purchasing drawing existed, but no physical samples were available. The metal can and feedthrough connections needed to comply with MIL-T-27A.

The original design would likely have used a deep drawn metal can and lid, but tooling for this could not be justified for spares and refurbishment  quantities. Accordingly the hardware was fabricated and plated by a company capable of finishing to the MIL standard. All units are leak tested after assembly to ensure performance at 50,000 ft.

 

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