2854092

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:	Polyamide (PA66), Nylon 6/6
Operating Temperature:	--
Color:	Gray
Features:	--
Wire Termination:	Screw - Rising Cage Clamp
Series:	COMBICON MKDSO
Wire Gauge:	12-30 AWG
Voltage:	300V
Current:	20A
Mating Orientation:	Horizontal with Board
Pitch:	0.197" (5.00mm)
Positions Per Level:	3
Number of Levels:	1
Part Status:	Active
Packaging:	Bulk

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Introduction to Terminal Blocks - Wire to Board Connectivity The term “terminal blocks” are used to signify an intermediary connection between a wire and a printed circuit board (PCB). These intermediary connection points can be used to add additional inputs and outputs to our PCB, allowing us to expand its functionality and programmability. In the world of electronic engineering, there is no shortage of options when it comes to selecting the right terminal blocks for our needs, and the prospect of having to choose between them can be daunting.Before getting into the different types of terminal blocks available, it is important to understand the working principles behind them. To better understand this, we can break down the two components of a terminal block pair: the wire or cable connected to the PCB, and the terminal blocks themselves.Working PrincipleIn terms of functionality, terminal blocks are used to provide a secure connection between two points; from a wire to a printed circuit board. The physical principle behind it is to provide a strongly mechanically-held connection point wherein the wire\'s conductor is down to a size that fits into the electronic terminal block\'s hole, allowing the user to easily connect and disconnect.The terminal block is composed of metal surfaces that clamp onto the conductor of the wire, providing a surface-to-surface connection between the two. This type of semiconductor connection is known as a clamped connection due to the mechanical clamping action that occurs when the metal surfaces are brought together. The connection point is then insulated by surrounding material or insulation, protecting it from environmental factors such as moisture and other pollutants.This same principle is also applied in other more sophisticated connections such as the commonly used plug and sockets (or connector) connections. In this type of connection, the wires are encased in a plastic or metal shell, providing an insulation between the conductor and the connection point that is protected from external environmental factors.Types of Terminal Blocks - Wire to Board ConnectivityPin and Socket Connectors These are the most common type of terminal block. They consist of a pin that is inserted into a socket, providing a secure and reliable connection between the two. These connectors are particularly useful in modular systems, as they can quickly and easily snap together and be easily disconnected. Miniature Connectors These are the smallest form of terminal block, and are designed for applications involving spaces with limited space at the connection point. These mini connectors are usually used in applications that involve very small connection points, such as mobile phones, medical devices, and other handheld equipment. PCB-Mountable Connectors For applications where space is at a premium, PCB-mountable connectors are the best option. These connectors are designed to be mounted directly to a printed circuit board, providing a secure connection between the PCB and the wiring. As these connectors are mounted directly to the PCB, they are also ideal for applications where the environmental conditions may not be suitable for traditional pin and socket connectors.Terminal BlocksTerminal blocks are the largest form of terminal blocks, and are the most commonly used for applications where a secure connection is required. These have metal surfaces that are held together by screws, allowing for a secure connection between the wire and the PCB. These types of connectors can be used for applications that involve a large amount of wires, as they can easily handle the additional load.ConclusionIn conclusion, terminal blocks - wire to board connectivity is an essential part of wired electronic engineering as it provides a strong and reliable connection between wires and PCBs. As discussed, there are various types of terminal blocks available depending on the application, from miniature connectors through to terminal blocks. It is important to select the right terminal block for the job, taking into consideration both the application and the environmental conditions.

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