748873-1

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The 748873-1 is a type of D-sub connector. D-Sub connectors are conveniently used for various digital and analog signal applications based on their coded and keyed shell sizes, contact quantities, and features. They are often used in applications where shielded EMI and RFI protection requires a secure connection or when extremely low contact resistance values are needed.

The classic 748873-1 D-Sub Connector uses the same design as several other connectors, such as the 748873-1 Connector System, 9-pin and the DB9 Breakout Connector. The 748873-1 is a 9-pin connector that is specifically configured in a 3x3 pin matrix, which is split into two categories; an upper row of three connections known as the signal pins, and a lower row of six connections known as the power pins.

The 748873-1 D-Sub connector has different application fields depending on what type of connection is required. For example, it can be used in the transfer of data signals, communications signals, and power. It can also be used in medical applications such as patient monitoring, and military applications such as weapon targeting.

The working principle of the 748873-1 D-Sub connector is relatively simple and is based on either mechanical or electrical connections. In the mechanical type, a series of pin contact surfaces are wall mounted. When a male or female connector is inserted into the surface, it sits within the molded shell in order to make an electrical connection with the adjacent pins.

In the electrical type, two contact surfaces are metalized and will transfer an electrical signal to the device that the connector is connected to. This type of connector is usually soldered into place, and can either be inserted or removed as required.

The application fields and working principle of the 748873-1 D-Sub connector make it an ideal choice for various applications requiring reliable, efficient, and secure connections. The 748873-1 can be used in many different applications due to its three-row arrangement and nine contacts, and offers a low contact resistance resulting in superior performance. Additionally, as the connector is able to offer a secure connection, it is highly suited for applications where shielded EMI and RFI protection is required.

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