DBM21W1SNM

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D-subminiature connectors, or D-sub connectors, are a type of electrical connector commonly used in a variety of applications. The D-subminiature connector type, specifically the DBM21W1SNM connector, is a popular choice in the telecom, medical, industrial and instrumentation industries for its durability, ease of installation and resistance to electromagnetic interference (EMI).

The DBM21W1SNM size is a 21-position connector that is offered in either straight or right angle mount configurations. It is specifically designed for signal integrity, featuring a thermoplastic housing that resists temperature and corrosion. It is equipped with a low cost, two-piece mounting panel design, making installation faster and more efficient.

The DBM21W1SNM utilizes a female contact style, with pins available in a range of 30 to 48 AWG. This connector also incorporates dust protection caps and a locking collar designed for a positive lock, while providing anti-vibration benefits. It is also corrosion and lint resistant.

In terms of performance, the DBM21W1SNM is rated for 1 amp (L/M/H) (H = high vibration/high speed) and is temperature rated for -45°C to upward of +125°C. It meets all UL, CSA and VDE standards for safety and performance. The mating cycle is 500 mating cycles operation and is designed for a maximum operational voltage of 40V AC/DC.

The working principle of the DBM21W1SNM is simple. It is designed to connect two or more cables together, allowing the transmission of electrical signals. The metal pins within the connector connect to matching female receptacles when assembled, creating an electrical connection. The contacts are then secured within the connector housing which provides EMI protection. When disassembled, the contacts are released from the housing and the electrical connection is no longer established.

In summary, the DBM21W1SNM D-subminiature connector is an excellent solution for many signal control applications, from telecom to medical instruments and more. It features a thermoplastic housing to retain signal integrity and anti-vibration benefits, as well as a two-piece mounting panel design for faster installation. The DBM21W1SNM is also corrosion and dust resistant with a rating for 500 mating cycles.

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