WHITE PAPER: The Technology Revolution in Solid State Switching Relays
Access Panasonic’s latest white paper, The Technology Revolution in Solid State Switching Relays. This paper covers the following topics:
- Defines Relays And How They Are Categorized
- Mechanical Relays vs. Solid State Relays
- Different Types Of Solid State Relays
- Understanding Traditional LED MOSFET Relays
- Understanding Capacitive Coupled MOSFET Relays
- Design Limitations
- Application Recommendations
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Modern Relay technology has been around since the 1960’s and its main function has been to provide automation with electrical isolation for many applications. All Relays have two separate circuitries: input and output. The main purpose for a Relay is to control a hazardous load voltage and current by employing a small signal to the input side which consists of milliamps at millivolt levels. Relays in general can be considered a very broad technology that is used across an endless number of applications in almost every area of electronics. They come in many shapes and sizes, but are generally divided to two main categories, which are Electromechanical and Solid State Relays.
Electromechanical Relays can be sub-categorized based on the Relay’s load current and load characteristic. For example, Relays that are capable of switching a load current of 2A or less are called Signal Relays. Relays that switch high frequency signals are called High Frequency (RF) Relays. Power Relays usually switch high load current. And certain types of Relays with a Din rail mount would be grouped under Control Panel Relays.