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Louis Offerman, Founder and 1st President of IEH, with his son Bernard, the 2nd President, Circa 1917

Since 1937, IEH has been manufacturing superior products for demanding applications. Whether it’s printed circuit board connectors, signal or power contacts, or custom interconnects, IEH focus is delivering the right connector solution for your application. Connectors and contacts produced by IEH employ Hyperboloid contact technology, an advanced, proven interface designed specifically for the most stringent requirements and harshest environments.


In use for over 40 years under the most demanding conditions, Hyperboloid technology has proven itself to be the leading design for integrity and reliability. On avionics platforms, military and commercial aerospace equipment, engine control systems, missiles and torpedos, vehicular electronics, satellites and rocket launchers, medical devices, industrial and environmental controls, test equipment, PGA sockets and countless other rugged applications, Hyperboloid has lived up to its promise of the highest reliability connector available.


The HYPERBOLOID contact is an advanced design that satisfies performance requirements previously considered impossible. Unique in concept, it is used in connectors having the highest standards of performance. The distinguishing feature of the HYPERBOLOID socket is the hyperboloid-shaped sleeve formed by straight wires strung at an angle to the longitudinal axis.


When the pin is inserted into this sleeve, the wires stretch, well within elastic limits, to accomodate it. In so doing, the wires wrap themselves around the pin providing a number of continuous line contact paths. The illustration and video below should assist in visualization.


This technology brings a range of advantages over the contacts made by conventional technology, such as:


Impervious to Shock & Vibration

The low mass and resulting low inertia of the wires allows them to follow the most extreme excursions of the pin without loss of contact. Tests exceed 300 g’s without discontinuity.


Improved Current Carrying Capacity

The low contact resistance gives a lower °C rise from ambient under load. This feature often allows the user to operate the same size contact under higher load.


100,000+ Cycle Lifespan

The burnishing action of the wires on the pin surface is non-destructive. Unlike the “plow” and scrape action of common designs, HYPERBOLOID’s gentle mating action enhances life.


VLIF (Very low Insertion Force)

Common sizes #22 and less average under one ounce per contact.


Low, Low Contact Resistance

The multiplicity of line contact, as opposed to point contact in other designs, provides an excellent interface exhibiting low contact resistance (often less than 1/2 of MIL spec. allowances). This characteristic also provides for a cooler running contact under load.

 




 
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