3-644627-8

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
Contact Material:	Copper Alloy
Insulation Material:	Thermoplastic, Glass Filled
Features:	Keying Slot
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:	8
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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Introduction

The 3-644627-8 connector is used in a variety of applications and can be found in both civilian and military applications. It is a rectangular, single-row pin connector usually used for making low-voltage circuits or for low-power applications such as signal processing, data transfer, etc. This type of connector is available in both board-mounted and plug-and-receptacle configurations. It is also used as an alternative to connectors such as SMA, TNC, or U.FL, and is available in sizes ranging from 4-1/2 inches to 7-1/2 inches.

Application Field and Working Principle

The 3-644627-8 connector can be used in a wide range of applications from military to consumer electronics. The connector is usually used to create reliable signal link between two components and offer a secure connection. It is utilized for medium-size cables that have single or multiple row of contacts and are useful in applications with low power requirements such as signal processing, data transfer, and control. The connector is constructed from metal or plastic, with its electrical contacts made from either metal, banana contacts, copper, or wire wrapped contacts. To ensure reliable connections, the connector utilizes metal spring contacts that self-wipe the contact area of the cable when connected – a process also known as self-cleaning. Additionally, the spring contacts deform slightly, forming a tight grip around the cable and ensuring a secure connection. In addition to providing a reliable connection, the 3-644627-8 connector also offers quality insulation protection and provides full contact protection against damage that can be caused by electrical currents, vibrations, movements, and shock. The connector offers flexibility and can be mounted to various types of boards such as PC board, backplane, expansion cards, motherboards, and more.

Benefits of Using the 3-644627-8 Connector

The 3-644627-8 connector provides several benefits, including:

• Low profile design – can be used in tight spaces with limited area.
• High dust resistance – no clogging of contact points or fretting.
• Low insertion and extraction forces – smooth, controlled insertion and extraction.
• High temperature range – can be used in temperatures ranging from -50°C to +85°C.
• Highly durable – long service life with reliable connections.
• Low electrical interference – reliable signal with minimal distortion.
• Easy to install and removal – no special tools required.

Conclusion

The 3-644627-8 connector is an ideal choice for a variety of applications, with its self-cleaning, high temperature range, and dust-resistant features making it a great choice. This connector combines reliable signal link, easy installation and removal, and a secure connection to provide maximum performance.

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