1991121

Mounting Type:	Through Hole
Screw Thread:	--
Torque - Screw:	--
Screw Material - Plating:	--
Clamp Material - Plating:	--
Contact Material - Plating:	--
Housing Material:	Polyamide (PA), Nylon
Operating Temperature:	--
Color:	Green
Features:	--
Wire Termination:	Screwless - Spring Cage, Tension Clamp
Series:	COMBICON SPT
Wire Gauge:	12-24 AWG
Voltage:	300V
Current:	20A
Mating Orientation:	Vertical with Board
Pitch:	0.197" (5.00mm)
Positions Per Level:	5
Number of Levels:	1
Part Status:	Active
Packaging:	Bulk

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Terminal Blocks - Wire to Board

Wire-to-board connectors are a type of semi-autonomous electrical connection system used to connect an electrical wire to a circuit board or other electrical component without the use of soldered connections. As the name implies, various forms of wires can be connected to a circuit board (or other component) while remaining insulated from each other. This is accomplished by using a connector block, for easier routing, and for better organization.

Terminal blocks are generally a box-shaped electrical connection system with a male or female connector at the end of each block. The terminal block also contains a variety of components designed to facilitate the connection of a wire or switch with the board. These components can range from integral pins or screws to separate components such as contact strips, flanges, and jumping strip.

The primary objective of terminal blocks is to reduce the complexity of the circuit board by eliminating the need for multiple soldering points. In addition to simplifying the electrical wiring of a component or device, terminal blocks are also ideal for easy removal or replacement of components, relay switches, and transistors. The coupling between terminals and the associated component also reduces the risk of short circuits caused by exposed wires.

A number of different designs of terminal block are available, depending on the specific application and component type. One of the most popular designs is the two-part screw terminal block, as it offers fast and secure connection with minimal effort. This type of terminal block also allows for customization when used with different connectors.

Knife-edge terminal blocks are another common type, which feature a single flange and a contact strip grooved in a specific pattern. The grooves are designed to ensure a secure connection with the board. Like screw terminal blocks, knife-edge terminal blocks are easy to install and can be used in a variety of applications.

Plug-in terminal blocks are an ideal choice for temporary connections, as they allow for quick, easy, and safe disconnection of wires. They are typically used in conjunction with pluggable components, such as relays, switches, and power supplies.

Terminal blocks are also commonly used to provide a safe, reliable connection point for multiple circuits. This can be useful in any application where there are multiple terminals in close vicinity, as it allows for conveniently separated circuits. Examples include high power amplifiers, computers, and industrial control systems.

Terminal blocks are an essential part of any electrical system, and they can be used in a variety of applications and scenarios. Their different designs, components, and construction materials provide a wide range of options for connecting and disconnecting wires and components in a safe and secure manner. Ultimately, terminal blocks offer users the convenience and reliability they need for any electric project.

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Part Number	Manufacturer	Price	Quantity	Description