1955277

Voltage - UL:	300V
Insulation Height:	0.339" (8.61mm)
Contact Tail Length:	0.102" (2.60mm)
Housing Material:	Liquid Crystal Polymer (LCP)
Contact Material:	--
Wire Strip Length:	--
Torque - Screw:	--
Screw Size:	--
Ingress Protection:	--
Material Flammability Rating:	UL94 V-0
Features:	Locking Ramp
Contact Mating Finish:	Tin
Operating Temperature:	--
Color:	Black
Wire Gauge or Range - mm²:	--
Wire Gauge or Range - AWG:	--
Series:	COMBICON CCA
Current - UL:	10A
Voltage - IEC:	400V
Current - IEC:	12A per position
Mounting Type:	Through Hole
Termination Style:	Solder
Plug Wire Entry:	--
Header Orientation:	90°, Right Angle
Pitch:	0.200" (5.08mm)
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

Introduction

Terminal Blocks are commonly utilized in numerous applications for the purpose of wiring electronic and electrical components. They consist of a block or assembly of blocks that are usually wire mounted to increase exposure of contacts for easy connection and transmission control. Since the Connector may permit a different combination of blocks, the terminal blocks are designed to make it easy to wire connections. Terminal Blocks - Headers, Plugs and Sockets are the three main categories of these types of terminal blocks.

Headers

Headers are usually a one-piece plastic cover that can hold multiple leads. They help organize and align wires while connections remain free from dust and moisture. A mounting bridge may be provided with the header assembly, as the bridge only allows the wires to go around the header. In addition, the bridge serves to provide strain relief when making connections.

Plugs

Plugs are generally used to mate with a corresponding terminal block. Plugs can be single-pole (one line) or multi-pole (more than one line).Plugs have insulated housing parts and male pins that are made of alloy or nickel-plated copper alloy or in some cases gold-plated brass. The housing is designed to ensure that the pins are securely held. When mounted, the pins should have sufficient contact pressure between the plug and the block. As the plastic cover prevents dust, moisture and contamination from entering the connection, the pins should be kept clean and washable.

Sockets

Sockets are used for connecting external leads and terminals to the main system. They may be either male or female, depending on how they connect. Sockets are designed to resist mechanical shock and vibration and come with insulation and shielding. They have a cover to protect the socket contacts from dust and dirt. Contacts are typically made of brass or copper alloy and treated with a corrosion-resistant finish. Specialized sockets are available which include relay contacts, test points and grounding wires for secure connections.

1955277 Application Field and Working Principle

The 1955277 Terminal Block is an application field and working principle used in conjunction with various other Terminal Blocks. It is ideal for applications where mounting space is limited, such as on a circuit board, or where space is at a premium, such as in a compact enclosure.The working principle of the 1955277 Terminal Block is simple: it allows connection of two or more wires from a power source to the device being powered, without the use of soldering or heat shrinking. The Terminal Block has two protruding lips that fit into the two companion wires, and two screws that attach to them, creating a secure connection.In addition, the 1955277 Terminal Block has a snap lever that allows for easy release and replacement of the two wires. The Terminal Block also has an incorporated protection circuit for extra protection against short-circuits and miswiring.

Conclusion

Terminal Blocks - Headers, Plugs and Sockets are common components that should be taken into account when designing circuitry. Headers connect multiple leads, plugs enable connection to a Terminal Block and sockets allow connection of external leads and terminals. The 1955277 Terminal Block is an application field and working principle used in conjunction with various other Terminal Blocks. Its schematic design allows for two or more wires to be connected from a power source without soldering or heat shrinking.

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