4S-15

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D-Sub, D-Shaped Connectors - Accessories are a type of electrical connector commonly used for computers, digital cameras, cell phones, disk drives, and video game consoles. These connectors typically consist of two rows of male or female metal contacts, and a protective plastic sleeve. The 4S-15 is one such connector, and its application field and working principle are discussed here.

The 4S-15 is primarily used in database and video surveillance systems, although they can be used for any low-voltage electronics connection. It is a rectangular connector that is typically mounted to a printed circuit board and protrudes into a drilled hole. Its four contacts - two at each end - provide a secure type of connection that is resistant to electrical noise and interference. The contacts are made of either nickel-plated copper or stainless steel, and the sleeve is usually made of plastic.

The working principle of the 4S-15 is fairly simple. The two contacts at each end make a mechanical connection while two pins on each side of the connector make electrical contact. When the plug is inserted into the socket, the first contact makes an electrical connection and the second contact provides the ground connection. The electrical connection is secured by the pressure of the pins against the contacts, and the metal outer shield provides protection against interference.

The 4S-15 is also designed for low-power applications. The contacts are rated to carry up to 3 amps of current, which is enough for most low voltage systems. Additionally, the 4S-15 is designed to be user-friendly. Many versions have adjustable-length contacts, allowing users to adjust the connector’s overall length to fit different applications. This feature, combined with its robust design, make the 4S-15 a popular choice in many industries.

In summary, the 4S-15 is a type of electrical connector primarily used in database and video surveillance systems. It consists of two rows of male or female metal contacts, and a protective plastic sleeve. The contacts are made of either nickel-plated copper or stainless steel, and its rated for up to 3 amps of current. Additionally, the connector is user-friendly, with adjustable-length contacts to accommodate different applications. As a result, it is a popular choice among many industries.

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