1848449

Voltage - UL:	300V
Insulation Height:	0.285" (7.25mm)
Contact Tail Length:	0.134" (3.40mm)
Housing Material:	Polybutylene Terephthalate (PBT)
Contact Material:	--
Wire Strip Length:	--
Torque - Screw:	--
Screw Size:	--
Ingress Protection:	--
Material Flammability Rating:	UL94 V-0
Features:	Mating and Mounting Flange
Contact Mating Finish:	Tin
Operating Temperature:	--
Color:	Green
Wire Gauge or Range - mm²:	--
Wire Gauge or Range - AWG:	--
Series:	COMBICON MC
Current - UL:	8A
Voltage - IEC:	250V
Current - IEC:	8A
Mounting Type:	Through Hole
Termination Style:	Solder
Plug Wire Entry:	--
Header Orientation:	90°, Right Angle
Pitch:	0.150" (3.81mm)
Number of Levels:	1
Positions Per Level:	20
Number of Positions:	20
Type:	Header, Male Pins, Shrouded (4 Side)
Part Status:	Active
Packaging:	Bulk

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Terminal Blocks - Headers, Plugs and Sockets

Terminal blocks, sometimes referred to as headers, plugs and sockets, are devices used to provide electrical connections between components of a circuit. They are used extensively in a variety of industries, from automotive to telecommunications. This article will explore the applications, working principles and types of terminal blocks.

Applications of Terminal Blocks

Terminal blocks are particularly useful for creating quickly removable electrical connections. They are commonly used in situations when permanent wiring would be difficult or undesirable, such as in factory automation, or testing equipment. They also play an important role in power electronics, providing a reliable, low-resistance connection point to allow efficient transfer of power from one component to another. Terminal blocks are often used in the telecommunications industry, as they can be easily reconfigured to connect different components. This is useful for testing new designs and ensuring compatibility. They are also used in telecommunications to provide reliable access points for fiber optics, and other wired connections. Terminal blocks are a valuable component of electrical distribution networks, being used to simplify the connection of complex wiring systems. They are found in both residential and industrial applications, providing a safe, efficient system for delivering power and ensuring continuity in larger electrical networks.

Working Principles

Terminal blocks provide a convenient connection point for components in a circuit. They consist of two parts: the plug, and the socket. The plug is inserted into the socket, and the connection is made through electrical contact points within the block. These contact points are usually composed of metal strips, which allow current to be transferred between components. The connection point provided by a terminal block is further protected by a protective cover or housing, which prevents the connection from shorting or coming loose. This housing is made from a conductive material, which allows electricity to pass through to the connection point. Terminal blocks are also able to detect, and sometimes even control, the amount of current that passes through them. This is done by using resistors or other devices which detect the voltage and current in the circuit.

Types of Terminal Blocks

Terminal blocks come in a wide range of sizes, shapes and materials. The most common type of terminal block is the flat-blade style. This type of block is typically made of plastic, and features a flat face with two contact points. They are available in a variety of colors, and are often used to connect components in low wattage circuits. There are also spring-loaded terminal blocks, which provide an easy to use, removable connection point. These are often used in testing equipment, as they can easily be reconnected without the need for tools. For higher power applications, round-pin terminal blocks are often used. These are typically constructed from metal, and feature rounded pins which can be connected with screws or other fasteners to ensure a secure connection. Finally, there are also dedicated mounting blocks, which are designed to support other devices such as motors or power supplies. These blocks are typically bolted to surfaces for a secure fit, and can handle higher wattage applications.

Conclusion

Terminal blocks provide a reliable, low-resistance connection between components in a circuit. They are used extensively in a variety of industries, from automotive to telecommunications, to provide access points, power efficiency and to simplify complex wiring systems. There are a variety of different types of terminal blocks, varying in shape, size and materials. As such, it is important to understand the purpose of a specific block before making a selection.

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