ODU Heavy Duty Connectors

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Heavy Duty ConnectorsGeneral Information – The Contact PrincipleThe ODU Springtac ® ContactThe springwire contact is the ingenious invention of Otto Dunkel, the founder of ODU. The figure belowshows the concept of the springwire contact with the ODU Springtac ® socket and a solid pin.The socket has many springwires parallel to the mating direction. The springwires are fixed at the bottom ofthe socket but are allowed to move at the entrance end of the socket. A guide ring at the entrance to thesocket provides easy insertion of the pin and prevents damage to the springwires during the contact mating.The springwires form a resilient gage with many independent contact points along the surface of the pin.This creates an almost constant contact pressure between the pin surface and the springwires. Even a relativelysmall socket, such as for an AWG #20 pin (1.02 mm dia.), contains at least 15 independent springwires.As the size of the contact increases, so does the number of springwires. The result is a large contact area forefficient current transmission. ODU Springtac ® contacts are available from as small as 0.6 mm to as large as50 mm diameter.Contact retention in a connector insulation body is via militarystyle contact clips or via glueing or mechanicalpinching.SocketPinAASocket and Pinin mated conditionSignificant advantages of theODU Springtac ® contact:lllllllVery high contact reliabilityLow contact resistanceHigh current loadExcellent performance under vibrationLow insertion & withdrawal forceHigh number of mating cyclesLong service lifeSocket wallContactareaSpringwireSurface finishContact pinSectionA - APage 6ODU Steckverbindungssysteme GmbH & Co. KG, Pregelstr. 11, D-84453 Mühldorf/Inn, Phone +49/8631/6156-0, Fax +49/8631/6156-49, www.odu.de
General Information – Terms & DefinitionsHeavy Duty ConnectorsA typical connector consists of a plug with a cable and a panel-mounted receptacle.ReceptaclePlugA cable-to-cable connection requires a free receptacle and a plug.In-Line Free-receptacle ReceptaclePlugA connector (receptacle, in-line receptacle or plug) generally has a housing, an insulation body, and contacts. In-linerecept acles and plugs also can have a cable clamp with cable strain relief.ReceptacleReceptacleInsulation bodywith pinGuide ringIn-Line ReceptacleCable clampHousingInsulation bodywith pinGuide ringPlugInsulation bodywith socketHousingCable clampODU Steckverbindungssysteme GmbH & Co. KG, Pregelstr. 11, D-84453 Mühldorf/Inn, Phone +49/8631/6156-0, Fax +49/8631/6156-49, www.odu.de Page 7
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ODU Heavy Duty Connectors

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