Model # 52-1700-XXX
EMP/HEMP Filter
Designed to protect sensitive electronics equipment during hazardous transient conditions.
Features
Meeting Mil-STD-188-125, E1 and E2 Pulse Test
Requirements
Insulation Resistance, DWV tested prior to discharge
resistor and MOV installation
Temperature Rise, less than 25° C
Filters rated for 16A and 30A additionally meet modified
E3 Pulse test
Custom designs available, contact factory
Electromagnetic Pulse (EMP) Effect:
energy that passes through an I/O or aperture/opening and disrupts or destroys
integrated circuits.
High Altitude Electromagnetic (HEMP) Effect:
created by a nuclear detonation
IEMI:
intentional malicious generation of electromagnetic energy introducing noise or signals into electric and electronic
systems, disrupting, confusing, or damaging these systems for terrorist or criminal purposes.
High Power Electromagnetics (HPEM):
the general category of transients in electromagnetic environments where peak
electric and magnetic fields are very high. These include: lightning strike, electrostatic discharge, arcing events,
electromagnetic field created by a radar system, EMP burst, HEMP burst, IEMI, high power microwave (HPM)
Applications
EMP/HEMP applications are divided between fixed facility and mobile. All systems have integrated circuit content that
could be affected by an EMP/HEMP event.
Mobile
Vehicles
Radar
Aircraft/Aerospace
Mobile Shelters
Electronic Warfare / Countermeasures
Communication / Command / Control Circuits
Detection Systems
Safety Systems
Mobile Power Sources
Facility
Power Stations
Data Storage
Fixed communications
Air Traffic
Government Security
Embassy
Secure Facilities
API Technologies’ model 52-1700-XXX High-altitude Electromagnetic Pulse (HEMP) Filters are designed to protect
sensitive electronics equipment during hazardous transient conditions.
They are employed to absorb a potentially destructive overshoot voltage. Under normal operating conditions, the
suppressor circuit exhibits high off state impedance that appears transparent to the circuits they protect. If a voltage
exceeding the switching voltage is applied to the circuit, the suppressor circuit switches to very low impedance effectively
shorting out the high voltage. The suppressor circuit will remain in the low impedance state until the current flowing
through the suppressor is either interrupted or drops to a safe level. Once this occurs, the suppressor resets and returns
to a high off-state impedance. These High Voltage HEMP Filters will also help meet the requirements of MIL-STD-188-125.
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