Basic understanding of EMC standards, test methods, and mitigation techniques.

See how EMI filters play an important role in Missile Ignition Systems.

Contact APITech’s engineers to discuss your requirements today.


APITech has the most military qualified EMI filtering product designs with the largest selection of mechanical configurations in the industry.


Tubular filter designs are high performance, above 1GHz compared to surface-mount solutions. They have the largest capacitance due to embedded electrode technologies.  These filters use rugged encapsulating material to meet MIL-QPL requirements and extreme environments.

Discoidal filter designs are AC lightning rated coaxial, US manufactured ceramic materials for transient environments.  Offering a large selection of discoidal sizes, from miniature solder-in to high current cases. Hermetically sealed products are also available.

Competitive Advantage

APITech’s manufacturing capabilities coupled with decades of EMC expertise and environmental test proficiencies, provide customers with world-class inception to compliance solutions.

Explore our Discrete EMI/EMC Filtering Products


Solder-in, Press-in, and Spanner Filters: Solder-in, knurled press-in, and 2-56 threaded spanner filters available.





Resin and Hermetically Sealed Filters: Highly reliable filters in the toughest environmental conditions.  
  Surface Mount Filters: Filters designed to provide a range of high-performance options with minimal PCB footprint. Surface Mount Filters (2)


  Military Standard Qualified Products  

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APITech always strives to be the innovator at the forefront of Electromagnetic Spectrum technology. Stay in touch to learn more.

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