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Hermetically sealed transformers and inductors meet MIL-T-27 requirements, for use in military and commercial applications. Feature glass-to-metal hermetically sealed terminals, MIL SPEC paints and finishes, and deep drawn and fabricated enclosures.  

High quality epoxies and silicones allow long service life and resistance to heat, vibration and other environmental factors. For use in new designs or to replace legacy products (some dating back to the 1930s). 

Foster Transformer