1782190

Voltage - UL:	300V
Insulation Height:	0.272" (6.91mm)
Contact Tail Length:	0.055" (1.40mm)
Housing Material:	Liquid Crystal Polymer (LCP)
Contact Material:	--
Wire Strip Length:	--
Torque - Screw:	--
Screw Size:	--
Ingress Protection:	--
Material Flammability Rating:	UL94 V-0
Features:	Mating Flange
Contact Mating Finish:	Tin
Operating Temperature:	--
Color:	Black
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:	8
Number of Positions:	8
Type:	Header, Male Pins, Shrouded (4 Side)
Part Status:	Active
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Terminal blocks – headers, plugs and sockets – have a wide variety of applications. In fact, the precise descriptions of the different types can be quite difficult to define because of the wide range of applications and the variety of different designs. Nonetheless, understanding the basics of these components can help you to make better informed decisions.

What are Terminal Blocks?

Terminal blocks are a type of connection that allow electrical pathways to be established between circuit boards without having to physically connect them. Instead, they typically consist of a terminal with multiple conductors that can be connected to the circuit boards or components. This allows for quick and simple connection without the need for soldering. There are several different types of terminal blocks, each designed with different applications in mind. Generally, you can find blocks for PCBs, terminal headers, and for inserting and extracting wires. Depending on the environment and the expected usage, there can be quite a few different kinds of terminal blocks available.

Types of Terminal Blocks

PCB Terminal Blocks

PCB terminal blocks are suitable for use with printed circuit boards. These can make a reliable electrical connection between two or more PCBs without the need for soldering. An example would be the 1782190, which is used for attaching small components, such as resistors and capacitors, directly to the circuit boards.

Telephone Jacks

Telephone jacks, connectors and jacks for phone lines, typically have two-position terminal blocks mounted on top. They are used to make a secure connection between the phones and the phone line. This type of connection is typically used when a telephone line is needed in a specific area without having an entire system of multiple lines.

Insertion/Extraction Wire Terminals

Insertion/extraction wire terminals, or wire-to-board connections, are designed to make electrical connections at a higher power rating than simple connections between PCBs. These are designed for high-current applications, such as motors or power supplies, and can be quickly connected and disconnected for easy maintenance. An example of this type of terminal is the 1782190, which is designed for high-power electrical connections.

Working Principle of Terminal Blocks

Terminal blocks duty is to provide an electrical connection between components in the most secure and reliable way. They can be used for joining two or more components, either wired or wireless. In the case of wired connections, it is important to ensure that the terminal is firmly attached to the components so that a good electrical connection is maintained. In order to do this, the terminals have a pin or plug that is inserted into the mating partner. This pin is then fixed to the component by using either a screw or an adhesive. The contact between the terminal block and the component is then made using either a metal or an insulated conductor, and is typically soldered or crimped to the component.In the case of wireless connections, the connection is typically made using an induction current, which is created when two components are placed close to each other. The induction current is then used to create a circuit path and establish an electrical connection between the terminals and the components.

Conclusion

Terminal blocks are essential components to any electrical system. They provide an easy and reliable way to connect multiple components safely and securely. There are many different types of terminal blocks, each with their own applications and working principles. Understanding the differences between these components can help you choose the right terminal for your needs.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description