MDM-37PBRT

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• D-Sub Connectors

• MDM-37PBRT application field and working principle

MDM-37PBRT is a 37-pin male D-Sub connector commonly found on personal computers for various connections such as video, serial and parallel. It is a form of electrical connector used to join two lengths of insulated wire. The pins (or contact points) are actually holes allowing for a fast and reliable connections.

The MDM-37PBRT has a 10-32#4-40 ground contact for reliable mating. It has an impedance range from 28 to 34 ohms with a UL-aged temperature range of - 25°C to + 85°C. The contact material used is a brass alloy with a plating of a minimum 0.76µM of gold “Flash”. Disc spring grounding contacts provide up to 8 lbs. of retention. The optional window nut (OTW) provides an added measure of shielding effectiveness.

The MDM-37PBRT is suitable for a variety of applications, and comes in both 4, 6, or 12 row versions. It has an average current rating of 12 A / 0.5 A and a maximum voltage rating of 250 VAC / VDC. It is designed to meet various standards, including IP67 for watertight performance, UL recognition and vibration immunity requirements. Moreover, the connector is designed to provide a reliable connection in applications such as Personal Computers, industrial equipment, medical applications, and aerospace.

The MDM-37PBRT has a two-piece construction that facilitates installation. It has a snap-in contact and an angled and formed contact module. The angled and formed contact module provides an extra measure of strain relief to assure secure connections. The snap-in contact makes assembly faster and easier.

The working principle of the MDM-37PBRT relies on the fact that it is designed to make contact with the pins and/or holes of two mating connector halves. When these halves are pressed together, this action causes the pins and holes to come into contact with one another forming an electrical connection between them. The connector has two sets of pins and holes. The first set is always connected to the ground (shield) and the second is used for power and/or signal connections. The connection is always established in order of the ground contact first; hence the importance of using a ground pin in the contact module.

The MDM-37PBRT is a reliable, cost-effective, versatile and low-profile electrical connector option. It is particularly well-suited for applications that require frequent plugging and unplugging, such as desktop PCs, industrial or medical equipment, aerospace wiring, and data/signal transfer applications.

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