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Resin & Hermetically Sealed Filters

API's hermetically sealed filters feature hermetic glass seals making them highly reliable in the toughest environmental conditions.  Numerous options of reliability testing available for customer specific requirements.  Ideal for use in power supplies, signal lines, rocket ignition systems, aerospace applications, DC motors, telecom, military, and secure communications, medical equipment, mining and oil drilling, transceivers, microwave filters, industrial control systems, and multi-circuit filter asseblies.

This series of filters feature hermetic glass seals and high EMI filtering performance.
This series of EMI filters feature Pi filters with a transient suppressor at the input of the filter.
Rugged case with resin seals provides excellent environmental protection.
API’s high temperature, bolt-in style EMI feedthrough filters are capable of continuous operation at 175°C.
Rugged bolt-in style for easy installation and current ratings up to 100 Amps.