1821546

Mounting Type:	Surface Mount
Features:	Solder Retention
Contact Mating Finish:	Gold
Operating Temperature:	--
Color:	Black
Wire Gauge or Range - mm²:	--
Wire Gauge or Range - AWG:	--
Voltage - UL:	150V
Current - UL:	6A
Voltage - IEC:	160V
Current - IEC:	6A
Series:	COMBICON MCV
Termination Style:	Solder
Plug Wire Entry:	--
Header Orientation:	Vertical
Pitch:	0.100" (2.54mm)
Number of Levels:	1
Positions Per Level:	2
Number of Positions:	2
Type:	Header, Male Pins, Shrouded (4 Side)
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Terminal Blocks - Headers, Plugs and Sockets

Terminal blocks are an essential part of any electronics system, providing a standardized way of connecting circuits together and providing pre-processed and pre-marked cable connection points which assist with compatibility and continuity issues. A terminal block consists of several parts, which are held together to form a single complete unit. These parts can be divided into the following categories; Headers, Plugs and Sockets.

Headers

Headers are by far the most important part of the terminal block. They provide the actual interface between the device and the cable being used. The purpose of the header is to connect the mated parts of the device, providing power, grounding and signal pathways. Headers can be manufactured to any specification, usually with standard IEC/DIN mountings. This makes the choice of header important, as the selection should guarantee the capability of the terminal block for the demanded applications. Headers are generally made of high-grade insulated plastic, guaranteeing long-term signal integrity and providing a full range of performance characteristics.

Plugs

Plugs are the next component of the terminal block, after the header. They provide the electrical connection between the device and the cable being used. Plugs come in a variety of sizes and shapes to adapt to different cable types and current requirements. They must ensure tight contacts, in order to provide reliable connection for the full range of power supply and signal connections needed by the device. Plugs should provide the user with an easy to use, reliable and safe connection scheme. Plugs come in various shapes and sizes, as well as providing the highest level of insulation needed for the particular application.

Sockets

Sockets are the last component in the terminal block, and are responsible for providing the physical connection between the device and the cable. Sockets consist of contact points which make contact with the cable conductor, and thus serve as a physical interface between the device and the cable. Contact points may be made of copper or other materials, and should be chosen to provide the highest level of electrical performance for the intended application.

1821546 Application Field and Working Principle

Terminal blocks are a common component in industrial, commercial, and residential electronics applications, due to their simple and reliable way of connecting electrical circuits with a standard interface. The connection is usually achieved by soldering or screwing the terminals together, with the socket taking the plug into its fixture and securely connecting the device or cable to the terminal block.Terminal blocks are also used in many safety related applications, such as circuit breakers, ground fault circuit interrupters, and surge protectors. The primary purpose of these types of terminal blocks is to ensure safe electrical connections, and prevent hazardous current flow. Terminal blocks are also used in highly sensitive and critical electrical systems, and must protect the circuitry from any potential overload. By using the principle of current distribution, the terminal block ensures that the current passing through the system is minimized, helping to prevent damage caused by surges or faults in the circuit.In addition to these safety related applications, terminal blocks are also used for simple connection purposes in electronics circuits such as audio amplifiers, digital signal processors, computers, and consumer electronics devices. They are especially useful for the production line environment, where they provide a quick and reliable way of connecting components. In total, the use of terminal blocks makes it possible to connect a variety of different electronic components in a secure and reliable manner, making them an essential piece of any electronics setup.

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