Custom Manufactured HEMP/EMP Filters

Captor Corporation, the expert in electromagnetic interference filters, offers custom HEMP/EMP filters, that target power, signal and tempest interference. We perform the design, engineering, layout, manufacturing and assembly as well as the testing, verification, consulting, prototyping and research and development. We provide assembly of components, connectors, and termination configurations while offering options such as HEMP protection modules, certified PCI data and custom tailoring.

Captor can provide existing designs for power lines, audio-data lines and control-signal lines for AC/DC power, telephone, analog fire alarms, servo motors and synchro transmitters. Ratings are 0 to 480 volts and 0 to 100 amps although higher currents are possible. Utilizing non-nutritive materials, our HEMP/EMP filters can be stored from -55 to +105 °C and are operational from -40 to +71 °C, up to 15,000 feet above sea level and in humidity ranging from 10 to 90%.

Captor can handle quick-turn prototypes up to large-scale production runs with lead times of two to three weeks on stock orders and 10 to 12 weeks for custom orders. For more information on our custom manufactured HEMP/EMP filters please see the chart below or contact us directly.

What Is a HEMP Filter?

High-altitude electromagnetic pulse (HEMP) filters protect electrical infrastructure and equipment from electromagnetic pulses from high atmosphere nuclear blasts, geomagnetic storms, solar flares, and other natural phenomena. They are vital to homeland security and national defense, preventing damage to communications and electrical equipment in the civil and military sectors.

HEMP can damage any equipment, systems, or infrastructure containing electronic components without adequate shielding, resulting in disabled equipment or permanent damage. HEMP filters from Captor Corporation can be standard or custom-made and protect communication lines and infrastructure from the dangers resulting from a natural or nuclear device-generated HEMP.

HEMP Filters From Captor Corporation

Captor Corporation manufactures various HEMP filters and NEMA cabinets. These include:

NEMA Cabinets for Multiple HEMP Filters

. In addition to our filters, our stainless steel modified NEMA Type 1 enclosures provide shielding from more than 100 dB to 10 GHz on the protected side. We supply screw type or push pin terminal blocks, and we can provide the cabinet alone or the cabinet with pre-installed filter inserts to meet your specifications.

Custom HEMP Filters

As an expert in electromagnet interference filters, Captor Corporation offers custom HEMP/EMP filters that target power, signal, and tempest interference. We perform the design, engineering, layout, manufacturing, and assembly as well as the testing, verification, consulting, prototyping, and research & development. We provide assembly of components, connectors, and termination configurations while offering options such as HEMP protection modules, certified PCI data, and custom-tailoring.

Dangers of HEMP

An electromagnetic pulse (EMP) is a burst of energy caused by natural or human-made means. It creates various electrical and magnetic energy fields that can cause permanent or temporary damage to electrical equipment and systems. Nuclear devices and similar natural phenomena produce an EMP that occurs in the higher atmosphere called a HEMP.

Various internal and external conditions can influence a HEMP’s impact on electrical equipment and systems. The nuclear device’s gamma yield output, energy yield, and altitude of detonation are crucial factors, along with the device’s interactions with Earth’s magnetic fields. The shielding on the target equipment, systems, or infrastructure is also a factor in the HEMP’s impact. The U.S. power grid is an example of critical infrastructure under constant risk of an EMP from natural sources and otherwise.

Contact Captor Corporation for HEMP Solutions

Captor Corporation can handle quick-turn prototypes up to large-scale production runs with lead times of two to three weeks on stock orders and 10 to 12 weeks for custom orders. For more information on our custom manufactured HEMP/EMP filters please see the chart below or contact us directly.

• EMI Filters

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