644631-4

Operating Temperature:	-55°C ~ 105°C
Insulation Height:	0.545" (13.84mm)
Contact Shape:	Square
Contact Finish - Mating:	Gold
Contact Finish Thickness - Mating:	30.0µin (0.76µm)
Contact Finish - Post:	Tin-Lead
Contact Material:	Copper Alloy
Insulation Material:	Thermoplastic, Glass Filled
Features:	Board Guide
Overall Contact Length:	0.700" (17.78mm)
Ingress Protection:	--
Material Flammability Rating:	UL94 V-0
Insulation Color:	Natural
Current Rating:	Varies by Wire Gauge
Voltage Rating:	600VAC
Mated Stacking Heights:	--
Contact Finish Thickness - Post:	--
Applications:	General Purpose, Industrial
Number of Positions Loaded:	All
Packaging:	Bulk
Part Status:	Active
Connector Type:	Header
Contact Type:	Male Pin
Pitch - Mating:	0.156" (3.96mm)
Number of Positions:	4
Number of Rows:	1
Row Spacing - Mating:	--
Series:	MTA-156
Style:	Board to Cable/Wire
Shrouding:	Shrouded - 1 Wall
Mounting Type:	Through Hole
Termination:	Solder
Fastening Type:	Friction Lock
Contact Length - Mating:	0.450" (11.43mm)
Contact Length - Post:	0.125" (3.18mm)

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Rectangular Connectors - Headers, Male Pins

The 644631-4 headers are rectangular connectors that are used in a variety of applications. They are suitable for use in automotive, aviation, marine, medical, military, telecommunications, oil and gas, and power generation, among other industries. This type of connector is typically designed for high power applications, and offers superior levels of protection against vibration and shock.

Construction

The 644631-4 connectors are composed of two components, a header and a male pin. The headers are composed of a single piece of plastic housing, along with multiple contact pins. Each pin is set into the housing in an evenly spaced manner, and is mounted securely in place by a terminal cover. The male pins are composed of brass and feature a spring loaded arm that pushes into the header pins, ensuring a secure connection.

Coding System

The 644631-4 connectors also feature a coding system that allows for easy identification and coding of the contacts. The coding system consists of four sections, including the pin location, the pin size, the pin number, and the contact type. This coding system ensures that the pin combinations are wired and connected correctly.

Advantages

The 644631-4 rectangular connectors offer several advantages compared to other types of connectors. They are highly reliable, with the ability to withstand high levels of power and vibration. They also provide superior levels of noise suppression, making them ideal for applications requiring high levels of protection. Furthermore, they are extremely straightforward to install, and because of their coding system, are easy to identify and wire correctly.

Working Principle

The working principle of the 644631-4 connector is quite simple. When the male pins of the connector are inserted into the header, the locking arm of the pin is pushed into the header pin with force, making a secure connection. The connection is secured further by the contact type coding system, which ensures that each pin is placed into the header in the proper order for the desired configuration.

Applications

The 644631-4 connectors are suitable for use in a variety of applications, including automotive, aviation, marine, medical, military, telecommunications, oil and gas, and power generation. They are used for providing power to a variety of devices, as well as for encrypting key data and monitoring critical systems. They are also used to connect devices such as computers, radios, and other electronic components. Finally, they have been widely used to interface with electronic control systems, making them especially suitable for industrial applications.

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