1891373

Mounting Type:	Through Hole
Screw Thread:	M3
Torque - Screw:	0.5-0.6 Nm (4.4-5.3 Lb-In)
Screw Material - Plating:	--
Clamp Material - Plating:	--
Contact Material - Plating:	--
Housing Material:	--
Operating Temperature:	--
Color:	Black
Features:	Interlocking (Side)
Wire Termination:	Screw - Rising Cage Clamp
Series:	COMBICON MK3DS
Wire Gauge:	12-30 AWG
Voltage:	300V
Current:	20A
Mating Orientation:	Horizontal with Board
Pitch:	0.200" (5.08mm)
Positions Per Level:	3
Number of Levels:	3
Part Status:	Active
Packaging:	Bulk

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Overview of Terminal Blocks – Wire to Board

Terminal blocks are connector solutions used in many different applications. They allow for electrical connections to be quickly made, disconnected, or changed. In particular, terminal blocks in the "wire-to-board" category connect single strands of wire to a board or chassis, typically with a screw, spring clamp connection, or solder. These days, there are a variety of specialized terminal blocks designed to meet specific needs. Let\'s take a look at some of the common types and their uses so you can find the right connection for your application.

1891373 Wire-to-Board Connector

The 1891373 wire-to-board connector is a spring-clamp terminal designed for use in lower amperage applications. This type of terminal is commonly used in the automotive industry, due to its low costs and limited size. Its basic design consists of two or more slots that will accommodate single stranded wires.The 1891373 is best used in applications where frequent disassembly and reassembly is not necessary, or when rapid connections and disconnections need to be made. This terminal\'s clamping action ensures a secure connection, yet still allows for easy removal of the wire when needed.

Solderless Terminal Blocks

Solderless terminal blocks are designed to be used in applications where solder is impractical. These terminal blocks use either a screw or spring clamp connection to make the electrical connection. They are popular in the electronics and telecommunications industries, due to their easy and quick installation. The principles of terminal blocks are straightforward. In order for a connection to be made, a small wire is inserted into the terminal block slots and then tightened with a screw or spring clamp. The force from the tightening action pushes the wire against the sides of the slots, creating a secure electrical connection.

Board-to- Board Terminal Blocks

Board-to-board terminal blocks are designed for connecting two separate printed circuit boards together. This type of terminal block consists of two separate blocks that fit into opposite ends of a printed circuit board. A metal pin then creates an electrical connection between the two boards by going through the two blocks. Board-to-board terminal blocks are generally chosen over other connection options like jumper wires or ribbon cables due to their simplicity and reliability. They are quick and easy to install, require no soldering, and provide a secure connection.

Block Connectors

Block connectors connect round wires or cables to board-mount terminals. This type of connector uses a crimp roller or press to clamp the round wire into a terminal block. The block’s insulating housing keeps the connection secure and prevents short circuits or other potential electrical issues. Crimped block connectors are commonly used in the electronic manufacturing industry, due to their ease of use and reliability. Their simple design makes installation relatively quick, and they can easily be interconnected with other types of terminal blocks or connectors.

Conclusion

Terminal blocks offer a convenient and secure way to make electrical connections. From the spring-clamp 1891373 connectors to the board-to-board and block connectors, there are a wide variety of products available on the market today. Knowing the basics of the different types of terminal blocks and their respective applications can help you find the right connection for your specific needs.

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