PAA190

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Solid State Relays (SSR) are electronic components used to control the flow of electricity and are found in a wide range of applications. The PAA190 is a specific type of SSR that is used in industrial automation and general-purpose automation applications. In this article, the application field and working principle of the PAA190 will be discussed in detail.

The PAA190 is an advanced, low-power, bidirectional solid state relay that can be used in several different types of applications. It is typically used in industrial settings for controlling motors, pumps, solenoids, fans, valves, and sensors. It is also used in general-purpose automation systems for controlling heating, cooling, lighting, and other components. Additionally, the PAA190 has been designed to reduce electrical noise, making it a suitable option for use in systems with sensitive electronics.

The PAA190 is constructed from a single moulded block of thermally conductive polyphenylene sulphide (PPS) which contains two highly efficient insulated gate thyristors (IGT) integrated circuits. This gives the PAA190 a number of advantages over conventional relays, such as its ability to extend the life of the relay, reduce electrical noise, and increase reliability. The IGTs in the PAA190 are triggered in opposite directions, creating a bidirectional current flow.

A key benefit of the PAA190 is its versatility when it comes to controlling current flow. It can be used to control both AC and DC current, allowing for multiple types of applications. The device is also equipped with protection features, such as thermal cut-off in case of over-current, over-voltage, under-voltage, and reverse polarity protection. In addition, the device has a built-in overload and short-circuit protection, allowing it to be safely used in a variety of systems.

The PAA190 operates by utilizing two independent insulated gate thyristors. When the gate of the IGT is triggered with a small current of 3 to 10mA, it generates a voltage signal, which is then applied to the opposing IGT, causing it to turn on and actuate the device. When the signal is no longer applied to the IGT, it will turn off, stopping the current flow. This makes the PAA190 an efficient and reliable solid state relay that can be used in a wide variety of applications.

In conclusion, the PAA190 is an advanced, bidirectional solid state relay that can be used in a variety of industrial and general-purpose automation applications. It has a number of benefits, such as a long service life, low electrical noise, and thermal cut-off protection. The device is also capable of controlling both AC and DC current, making it a versatile option for a wide range of systems. The PAA190 is an excellent option for any application or system that requires a reliable and efficient solid state relay.

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