2-1776147-4

Series:	Buchanan
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Header, Male Pins, Shrouded (4 Side)
Number of Positions:	4
Positions Per Level:	4
Number of Levels:	1
Pitch:	0.200" (5.08mm)
Header Orientation:	Vertical
Plug Wire Entry:	--
Termination Style:	Solder
Mounting Type:	Through Hole
Current - IEC:	--
Current - UL:	15A
Voltage - UL:	300V
Wire Gauge or Range - AWG:	--
Wire Gauge or Range - mm²:	--
Color:	Black
Operating Temperature:	-40°C ~ 110°C
Contact Mating Finish:	Tin
Features:	--

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Terminal Blocks – Headers, Plugs and SocketsTerminal blocks, also known as headers, plug and sockets, are used in electronic devices to bring together and separate electric circuits. They provide an electrical connection between two electronic components while providing physical stability and protection against electric shock. Terminal blocks are used widely in both consumer and industrial electronic equipment.Terminal block connectors come in several varieties, including two- and three-contact single- and double-ended blocks. There are also standard blocks, small blocks, industrial blocks, heavy-duty blocks, modular blocks, and terminal blocks with multiple poles.In addition to providing an electrical connection between two components, terminal blocks also provide a physical barrier between the two components. This physical barrier prevents short-circuiting and accidental shorting during operation. Additionally, the blocks also contain additional materials that provide protection against high-voltage shocks, such as insulation and surge protection.The main advantage of using terminal blocks is their ability to consolidate the wiring in an electronic device. Additionally, they can also be used for flexibility in the installation process. Terminal blocks can be installed in a variety of ways, including direct mounting, double-sided mounting, surface mounting, and through-hole mounting. Additionally, the terminal blocks are designed to be accessory compatible, enabling them to be adapted to fit almost any type of circuit board.In terms of working principle, terminal blocks work by forming a connection between two conductors, through which electric current will travel. Additionally, they serve as an insulator, providing protection from electric shocks and short-circuiting. The main types of terminal blocks in general use are the single-pole wiring blocks, the two- pole wiring blocks, the three-pole wiring blocks, and the four-pole wiring blocks.The single-pole wiring blocks are the most common type, and they are primarily used in consumer electronics applications. The two-pole wiring blocks are twice as tall as the single-pole blocks, and are typically used in industrial applications. The three-pole blocks are twice as tall as the two-pole blocks, and are primarily used in some larger industrial applications. Lastly, the four-pole blocks are twice as tall as the three-pole blocks, and are primarily used in very large industrial and industrial process control applications.Terminal blocks are also available in a variety of sizes to accommodate both small and large wires. For a better seal, some terminal blocks are also available with a high-temperature insulation foam. This insulation layer helps protect the terminal block and the wires it is connected to from extreme temperatures.Terminal blocks are a versatile connection solution and are used in a wide variety of equipment and electronic devices. Their wide variety of applications include household electronics, commercial and military electronics, telecommunications and computers, instrumentation, and automotive electronics. Depending on the type of terminal block, they can connect large or small wires, be installed directly onto the circuit board or through a pre-drilled hole, and be configured in a variety of ways. With their wide variety of connectors, insulation layers, mounting options, and sizes, terminal blocks are a reliable and cost-effective solution for creating secure electrical connections in virtually any application.

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