EMI Filters

As a global leader in EMI filters, Captor Corporation offers high-quality standard and customized products at competitive prices. Our solutions deliver proven reliability within an extensive range of EMI and EMC filtering applications.

Custom EMI Filters

Custom EMI Filters

When an off-the-shelf product doesn’t deliver the performance you need, our team can develop a custom solution that matches your exact requirements. Over the years, we’ve created over 10,000 custom filter designs, offering hands-on support from project conception to completion. In many cases, our custom services are more cost-effective than our competitors’ catalog products. When you partner with us, you’ll receive extensive qualification testing, environmental testing, and acceptance testing procedures to ensure your products meet all required specifications.

Military EMI Filters

Military EMI Filters

In military applications, blocking electromagnetic interference is crucial. Captor Corporation has been designing reliable products for the military since our inception. Our products are engineered and manufactured under one roof and adhere to all relevant standards, including AS9100 Rev D and MIL-STD-220.

DC EMI Filters

DC EMI Filters

Direct current (DC) EMI filters suppress the unwanted interference that DC devices generate. These products are frequently used in defense, aerospace, and electronics applications. Captor Corporation offers many standard and custom DC EMI filters.

Shielded-Facility Room EMI Filters

Shielded-Facility Room EMI Filters

Many types of secured areas require EMI shielding. Our team creates products that protect rooms from both internally and externally generated electromagnetic disturbances. Our shielded-facility room EMI filters come in an extensive range of specifications that meet even the most demanding shielding requirements.

Signal Filters

Our signal filters eliminate unwanted frequencies to ensure electronic device signals remain complete and undistorted. We offer many types of custom products, targeting a wide range of interference sources.

Custom TEMPEST Filters

Custom TEMPEST Filters

Custom TEMPEST Filters

Custom TEMPEST filters provide the highest level of protection for electrical and electronic equipment. These solutions are used throughout critical industries, like military and defense, to protect highly sensitive information. Our products accommodate many unique and challenging operating frequencies, current ratings, and voltages.

Custom HEMP/EMP Filters

Custom HEMP/EMP Filters

Custom HEMP/EMP Filters

High-altitude electromagnetic pulse (HEMP) filters from Captor Corporation target power, tempest, and signal interference. These products provide reliable protection from solar flares, geomagnetic storms, and even high-altitude nuclear blasts, making them essential to security and defense applications. Our custom manufacturing services include everything from design and engineering to assembly, testing, verification, and more.

Custom Telephone and Signal Line Filters

Custom Telephone and Signal Line Filters

Custom Telephone and Signal Line Filters

Telephone and signal line filters protect aircraft navigation systems, cell phones, medical equipment, and other devices from harmful signal distortion. Our custom solutions provide line-to-ground and line-to-line impedance for industry-diverse electronic devices.

Military-Grade Solutions

Captor Corporation offers unrivaled expertise in military-grade EMI and EMC filtering solutions. Our products provide dependable protection against electromagnetic interference and adhere to all relevant MIL-STD requirements.

MIL-COTS Filters

MIL-COTS Filters

MIL-COTS EMI filters meet MIL-STD-461 CE102 testing standards and can mitigate conducted emissions from 10KHZ to 10MHz. Our MIL-COTS filters are durably constructed and built from corrosion-resistant materials, making them suitable for all sea, air, and ground applications.

Military Cable Assembly

Military Cable Assembly

We manufacture ISO-compliant military cable assemblies and wire harnesses according to rigorous MIL-SPEC requirements. Our custom military cable assemblies are used in everything from aerospace systems to military vehicle lighting systems and much more.

Military Electronic Mechanical Assembly

Military Electronic Mechanical Assembly

Military-grade electronic mechanical assemblies must meet rigorous quality and performance standards. At Captor Corporation, we design innovative box builds, integrated systems, and custom electrical control panels for military use.

Custom Power and Electronic Components

Our custom capacitors, inductors, and power distribution units are engineered, manufactured, and tested in-house, for quality you can depend on.

  • Custom Capacitors
    Custom Capacitors

    Custom Capacitors

    Custom capacitors from Captor Corporation provide the ideal dielectrics for your application’s voltage levels. Our solutions are used throughout many industrial applications, including aerospace equipment, radar systems, missile launching systems, and much more.

  • Custom Inductors and Coils
    Custom Inductors and Coils

    Custom Inductors and Coils

    We offer custom and built-to-print manufacturing for many types of inductors, including toroid, bobbin-wound, tube-wound, C-core inductors, and much more. The wire sizes we offer range from 4/0 to 32 AWG, with multiple options for mounting type, unit configuration, and termination style.

  • Power Distribution Units (PDU)
    Power Distribution Units (PDU)

    Power Distribution Units (PDU)

    Power distribution units (PDUs) are network power sources that route electrical power to multiple devices simultaneously. We manufacture many types of PDUs, including:

    • Cabinet PDUs
    • Floor-mounted
    • Rack-mounted
    • Portable PDUs

Quality and Security Solutions

Captor Corporation delivers industry-leading quality, every time. We offer extensive testing capabilities and innovative security solutions to ensure your requirements are met.

Testing

Testing

We perform in-house testing according to your requirements to guarantee your products are fully compliant and reliable. For most projects, we recommend a combination of mechanical and electrical tests, as well as environmental inspections. We can perform qualification testing on new products, identify any latent manufacturing defects, and much more. Our testing options include:

  • Altitude
  • Electrical ATP
  • Humidity
  • Thermal shock
  • Vibration
  • Hermetic seal
Infrastructure Hardening

Infrastructure Hardening

Security is the top priority for modern IT systems. Our infrastructure hardening services secure every part of an IT system’s infrastructure, including its databases, web servers, identity management tools, and more. We offer many EMI filtration solutions that provide reliable threat protection, including standard and customized products.

SCIF (Sensitive Compartmented Information Facility)

SCIF (Sensitive Compartmented Information Facility)

A sensitive compartmented information facility is a location that has been specially designed to protect highly confidential information. Captor Corporation has decades of experience building EMI and EMC filtering solutions for these facilities. Our products meet Intelligence Community Directive 705 (ICD705) specifications and are easy to transport and implement.

Captor Corporation: Industry Leaders in EMI Filters

EMI and EMC filtering solutions from Captor Corporation are designed to provide reliable performance under the most challenging operating conditions. Since 1965, our team has been trusted by the world’s most demanding industries to create innovative and reliable products. Our custom solutions are competitively priced, rigorously tested, and delivered on time.

Our state-of-the-art 35,000 sq. ft. facility in Tipp City, Ohio has everything your project needs under one roof, from engineering to fabrication and testing. No matter how large or small your needs are, our team can quickly develop your ideal solution. Captor Corporation is ISO 9001:2015 and ASD9100D certified and meets many other quality standards.

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