208668-3

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ARINC is a major industry standard for backplane connectors designed for a wide array of applications. This important standard, known as ARINC Specification 608A, defines requirements for backplane connectors for aviation and other systems that must demonstrate very stringent performance criteria. The standard is further divided into three classes, Class 1, Class 2, and Class 3. Of these, Class 3 defines an important connector type called the 208668-3.

The 208668-3 connector is designed to meet the most stringent requirements for high performance applications where connector reliability and freedom from electromagnetic interference (EMI) are key performance criteria. The 208668-3 application specification defines requirements where special shielding and grounding is required for higher frequency signals. It is also used for applications requiring higher power levels. The connector is optimized for applications where reliability and EMI protection is required in hostile environments.

The 208668-3 backplane connector offers up to 200 4-way contacts in two rows. The contacts are arranged in two parallel lines and crimp contacts. The 208668-3 is also available in either male or female versions. The female version of this connector has 160-way and 100-way configurations providing up to 8A of continuous power and 40A of peak power.

The unmatched performance of the 208668-3 backplane connector is based upon its low profile and its integrated features. The connector is designed to be compliant with the IEC 60603-7-4 specification for blind mateable connectors. It is designed for high-speed signal transmission, up to 10 Gbps, and is able to reject EMI frequencies up to 3GHz. It also has a wide operating temperature range from -40 to +125 degrees Celsius.

At the heart of the 208668-3 performance is its internal design. The connector is optimized for reduced insertion force and low impedance paths. It also has an extended housing with a prominent key/keyway shutdown system that guarantees secure mating. The housing allows for 1oz per contact of current. It also has superior grounding and signal integrity potential with metal-skin support embedded in the housing. Versions of the 208668-3 are also available for high voltage applications.

The 208668-3 application field and working principles are clearly defined in the standard. This standard defines the connector requirements for high-performance applications where connector reliability and EMI is a key concern. In addition to its low profile design, the 208668-3 connector has an extended housing with an integrated key/keyway shutdown system that guarantees secure mating. The connector is also able to reject EMI frequencies up to 3GHz and has superior grounding and signal integrity potential. It is designed to be compliant with the IEC 60603-7-4 specification for blind mateable connectors and is available for high-voltage applications.

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