MMT-128-01-S-DH-040

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Rectangular Connectors - Headers, Male Pins is a kind of printed circuit board (PCB) connectors that are used in a wide range of applications. Among them, MMT-128-01-S-DH-040 is a typical example of a male pin header type of electrical connectors. Let us now explore its application area and underlying working principle.

A MMT-128-01-S-DH-040 male pin header electrical connector typically comprises of a metallic base (or a dielectric frame) and a number of spring-loaded, brass male pins arranged in a linear array, with a multi-fiber, thermoplastic insulator separating them from the base or frame. In certain applications, the insulator is also fitted with a chamfer or wiring tie points to provide strain relief and ensure secure connection of the wire.

Often, these kinds of male pin header connectors are preferred for their mechanical ruggedness, temperature stability and low costs. Specifically, they can offer a reliable connection in the tight space constraints and can be used to link various PCBs or electronic components when securing better strength or space utilization is deemed important. In the industrial environment, robotics, automotive, factory machines and communication systems are just some of the typical application areas where the MMT-128-01-S-DH-040 male pin header electrical connectors can be used.

Now let’s explore the working principle behind the male pin header connectors. The male pins are designed in such a way that it can easily be inserted in a matching female socket and gets mechanically secured either by step-down latching or crimp latching after mating. For the former process, the male pin is inserted into the female socket and compressed to a lower step profile, thus locking it in position. For the crimp latching operation, the male pins are crimped over a connector retainer ring that tightly fixes them to the socket. Besides, there are also other latching locking systems such as screw-drive lock and bayonet lock.

To provide perfect connection, the contact surfaces of the male pins and female socket must be smooth and clean, and free from any burrs, dirt or any other foreign substance. Contamination of the contact area if any will reduce the electrical contact and it may also reduce the connector\'s ability to withstand mechanical shock and vibration.

In conclusion, the MMT-128-01-S-DH-040 male pin header electrical connectors are widely used in a variety of applications due to their mechanical ruggedness, temperature stability and low costs. Their working principle is based on various latching locking systems that secure the pins to the female socket, thereby achieving a reliable and consistent electrical connectivity.

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