1892731-2

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Backplane Connectors - Specialized: the 1892731-2

Application Field

The 1892731-2 is a specialized backplane connector for interconnecting electrical systems in high-speed digital systems like datacom, telecom, base stations and the like. It possesses four different types of contacts with various pin layouts, namely type A for power and signalling, type B for data latching and type C for integrated digital video clock. The type D contact enables high speed serial communication.

Electrical Specifications

The 1892731-2 is rated for a current of up to 32 amps. It is able to handle frequences up to 3 GHz, and the impedance is very low with 75 ohms on the differential side and 40 ohms on the single-ended side. Its IR drop rate is less than 0.07 volts per ampere of current.

Mechanical Specifications

The 1892731-2 is constructed from copper alloy with an overall length of 130.3mm. It boasts a standard press-fit entry with a maximum voltage rating of 500 volts and an operational temperature range of -55 to +125 degrees Celsius. The contacts have a gold-plated finish for corrosion protection and boast nearly 85% self-mating retention force.

Working Principle

The 1892731-2 works by forming an electrical connection between two mating surfaces using a series of gold-plated electrical contacts. The contact pins are arranged in a particular pattern, allowing signals to travel through the connector without the added risk of crosstalk. The contacts are designed to form a secure and reliable connection, ensuring the maximum performance and safety of the entire backplane.

Benefits of Using the 1892731-2

The 1892731-2 specializes in providing reliable and high-speed connections in digital data systems. It has a low impedance differential side allowing for less power consumption and faster transmission rates. Additionally, it is very durable and reliable due to its gold-plated contacts which have a high 85% self-mating retention force. This ensures that the contacts remain firmly connected without the need for additional screws or retaining clips.

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