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D-Sub, D-Shaped Connectors - Contacts are a large family of connectors used in many different applications. These connectors have been around since the 1960\'s and continue to be popular for their versatility and reliability. They are used in a variety of different fields, from automotive wiring to medical instrumentation.

The most common type of D-Sub connector is the 25-pin version. This is the standard for computers, as it is what is typically used to connect keyboards and printers. The 25-pin version can also be used for other applications such as audio, video, and data transmission.

The working principle of a D-Sub connector is simple. Two contacts, usually made of copper or brass, are inserted into a plastic housing. The contacts have a small hole which is lined up with holes in the plastic housing. A steel pin is then inserted into the hole and connected to a contact. The contact is then fastened to the housing by a spring clip.

The contacts are typically rated for up to 500 volts and are used in a variety of different applications. Some of the most common include automotive wiring, industrial machinery wiring, audio and video wiring, and electrically controlled equipment. The contacts are highly reliable and have a long life span with minimal maintenance.

In automotive wiring, the connectors typically have two, three, or four pins. The pins are typically rated for 18-20 amps and are designed to carry a variety of different signals including power, ground, and control signals. The contacts are typically plated to resist corrosion and oxidation.

In industrial machinery wiring, the connectors typically have two, four, five, seven, eight, or nine pins. They are designed to carry a variety of different signals including power, control, and communication signals. The contacts are typically plated to resist corrosion and oxidation.

In audio and video wiring, the connectors typically have either two or three pins. The pins are typically rated for up to 24 amps and are designed to carry power and communication signals. The contacts are typically plated to resist corrosion and oxidation.

In electrically controlled equipment, the connectors typically have anywhere from two to 13 pins. The pins are typically rated for up to 30 amps and are designed to carry a variety of different signals including power, control, and communication signals. The contacts are typically plated to resist corrosion and oxidation.

Overall, D-Sub, D-Shaped Connectors – Contacts are a highly versatile family of connectors that are used in a variety of different fields. They are highly reliable and can be used with a variety of different signals. They are also highly resistant to corrosion and oxidation.

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