1824721 Connectors, Interconnects

Mounting Type:	Surface Mount
Screw Thread:	--
Torque - Screw:	--
Screw Material - Plating:	--
Clamp Material - Plating:	--
Contact Material - Plating:	Tin Plated
Housing Material:	Liquid Crystal Polymer (LCP)
Operating Temperature:	--
Color:	Black
Features:	Board Guide
Wire Termination:	Screwless - Leg Spring, Push-In Spring
Series:	COMBICON SPT-SMD
Wire Gauge:	16-24 AWG
Voltage:	300V
Current:	10A
Mating Orientation:	Horizontal with Board
Pitch:	0.150" (3.81mm)
Positions Per Level:	11
Number of Levels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Terminal blocks, also known as wire to board connectors, are electric connectors that connect wiring and components to a board for the purpose of powering and/or controlling the various components on the board. A terminal block is a simple device, yet it is an essential connecting point within an integration system. Understanding the importance of it, it is necessary to understand the different components of the system and its application field and working principle.

Features and Requirements of Terminal Blocks - Wire to Board

Terminal blocks - wire to board connectors are extremely versatile because of the wide variety of options available in terms of voltage, current, temperature range, material, mounting types, and sizes. Utilizing a comprehensive selection of connectors also allows maximum design flexibility for different types of application requirements. The goal of a terminal block is to safely and conveniently distribute power to and from the board with the utmost reliability. Essential to this is the multiple safety features available on terminal blocks. This includes features such as screw terminals, clamps, and terminal plates. Power can be distributed to the board through protective circuitry and fusing, while grounding and earthing terminals help ensure that all components and equipment remain safe and secure.

Application Field of Terminal Blocks - Wire to Board

Terminal blocks - wire to board connectors are used in a wide range of applications. This includes industrial, control, consumer, instrumentation, telecom, and automotive. Industrial applications, in particular, involve many different types of equipment and processes that require constant power and control. Examples of these include manufacturing, engineering, mining, and electronics plants. In control applications, these connectors are used in industrial control systems, power supplies, data converters, and relay switches. Consumer applications involve the distribution of power to consumer electronic systems such as home theater systems, mobile phones, computers, and other electronic devices. Instrumentation applications involve the distribution of power in highly specialized and delicate instrumentation equipment. For telecom applications, terminal blocks provide power and control to switches, transceivers, routers, and other networking equipment. Automotive applications involve the distribution of power to the various components of vehicles, such as radios, climate control, GPS systems, and lighting.

Working Principle of Terminal Blocks - Wire to Board

Terminal blocks - wire to board connectors employ two basic principles to transfer power. The first is the point-to-point method, also known as the crossed wiring method, where two wires are crossed and then connected together. This method is used in simple applications where a low resistance is desired. The second method is the bus bar or star-point wiring method. Here, wires are connected to a central bus bar which then distributes the power. This is the most common method of power distribution in more complex systems such as industrial control systems and instrumentation. This method is also used in applications where high power needs to be distributed as well as to provide multiple safety features that are needed in these applications. A typical terminal block also includes features such as screws, clamps, and terminals which are designed to provide secure connections and maximum flexibility in terms of voltage and current ratings. In addition, some terminal blocks are designed with features such as fusing and protective circuitry which help ensure the safety of the system and personnel working with it.

Conclusion

Terminal blocks, or wire to board connectors, are essential connecting points within an integration system. They are available in a wide variety of sizes, materials, mounting types, and temperature ranges to meet different application requirements. Their application field is quite wide, involving industrial, control, consumer, instrumentation, telecom, and automotive applications. The working principle of these connectors involve either the point-to-point or the star-point wiring methods. Additionally, various safety features are included in these connectors to ensure the safety of the system and personnel working with it.

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