40-9709M

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D-Sub connectors, also known as DB connectors, are a type of connector used for a wide range of applications and are used in digital and analog equipment such as communication systems, computers, consumer electronics and factory automation systems. 40-9709M is an example of a popular D-Sub connector that is widely used in a variety of applications. This article will explore the application field and working principles of the 40-9709M D-Sub connector.

40-9709M is a 15-pin male D-Sub connector. It consists of a zinc alloy housing and pure copper alloy contacts. The connector has high temperature resistance, good electrical conductivity and resistance to corrosion. This makes it an ideal connector for a variety of applications, including home and industrial automation, video surveillance, audio/video systems, communication systems, and automotive applications.

In terms of its application field, the 40-9709M D-Sub connector is suitable for digital applications where current is less than 2A and voltage is less than 30V. It is also suitable for analog applications where maximum frequency is up to 500MHz and impedance is 100Ω±20%. The connector is an ideal fit for digital equipment such as AV receivers, DVD players, VCRs, satellite receivers, gaming consoles, and projectors. It is also suitable for analog equipment such as amplifiers, loudspeakers, and stereo systems.

In terms of its working principles, the 40-9709M D-Sub connector uses a secure latching mechanism to ensure a reliable electrical connection. The connector has two contacts, a signal contact and a mating contact. The signal contact is then surrounded by a shell for protection. The signal contact connects to a shielded cable and the mating contact is situated directly on the shield. This ensures that interference is kept to a minimum while still providing reliable electrical connections.

The 40-9709M D-Sub connector also features an integrated strain relief collar which helps to reduce stress on the cable and connector. This ensures a reliable connection and can help to prolong the life of the connector. Additionally, the connector is also designed to meet IP40 ratings, which means that it is dust and water resistant. This makes it suitable for use in harsh environments.

In summary, the 40-9709M D-Sub connector is an ideal connector for a variety of applications. It has a zinc alloy housing and pure copper alloy contacts, making it resistant to corrosion and highly temperature resistant. Furthermore, it has a secure latching mechanism, strain relief collar, and meets IP40 ratings. This connector is suitable for use in digital and analog applications and is an ideal fit for audio/video systems, communication systems and automotive applications.

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