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Mill-Max Manufacturing offers new Omniball spring-loaded contacts

By Michelle Froese | May 12, 2020

Mill-Max Manufacturing Corp., Inc. has developed an advanced interconnect product to address the challenges of making sliding or rotating connections. The unique Omniball spring-loaded contact (patent pending) features a rolling ball interface, enabling mating components to engage in lateral, rotational and angular alignments while providing optimal electrical, mechanical, and structural reliability.

Omniball contacts are an excellent choice for applications that involve sliding or rotating connections.

The Omniball contact (P/N: 0945-0-15-20-09-14-11-0) is a spring-loaded pin in which the traditional plunger has been replaced by a gold-plated ball. It’s designed to simplify and improve the connections made between components, which are mated together in a sliding or rotational motion rather than in an axial or vertical orientation.

When engaged, the ball compresses and rolls, allowing the mating surfaces to make contact and then easily slide parallel to each other while spring force acts to ensure consistent electrical contact is maintained. This rolling action alleviates the concerns of connector damage such as binding, premature wearing and structural failure that may occur when using traditional plunger style spring pins in these types of applications.

Features of the Omniball contact include:

  • A .030” (.762 mm) maximum stroke
  • An overall height of .266” (6.76 mm)
  • Gold plating on all components
  • Surface mount termination

These spring-loaded pins are durable and have been tested to 1,000,000 compression and rolling cycles at half stroke while still meeting specifications for contact resistance of 20 mili-ohms max. The current rating is of 3.5 amps with a spring force of 55 grams at mid stroke (.015”, .381 mm).

Omniball contacts are an excellent choice for applications that involve sliding or rotating connections, such as: “twist & lock” cable connectors, smart lens camera connectors, IP-rated connectors (including quarter turn and threaded), and docking stations, quick connects, and blind mating applications.

The contacts are available as individual pins and in a four-pin circular connector, which is offered in tubes (P/N: 945-22-204-30-360101) and in tape & reel packaging (P/N: 945-22-204-30-360191). The four-pin connector is especially well suited for round cable connector applications.

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Filed Under: Fastening + joining
Tagged With: mill-maxmanufacturing
 

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