AQW223R2S

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Solid State Relays (SSRs) have become a major element of the modern electrical and electronic landscape. The AQW223R2S is a particularly versatile SSR model, capable of addressing a variety of applications. The fact that it functions without physical contact makes it a reliable and highly potent product up to a certain load current. In this article, we will explore the working principle of the AQW223R2S and the application fields in which it can be employed.

Working Principle

The AQW223R2S SSR implements a thyristor output, driving power transistors connected in a zero voltage switching (ZVS) mode. This technique is used to minimize voltage stress and ensures a long life and low-failure rate for the device. The circuit is based upon an opto-isolator, which translates control signals into output signals without direct electrical connections. A variety of materials and techniques are used in the construction of the AQW223R2S, including ceramic packaging, flame-retardant materials, and the use of an isolated triac.

In operation, the SSR will apply the voltage to the primary winding of the input transformer in pulses. This then induces an output voltage in the secondary winding, which powers the semiconductor switch. The semiconductor switch can then be activated by the control voltage, controlling the amount of current travelling through the load, thereby performing the desired switching function.

Application Fields

The AQW223R2S is a versatile and reliable SSR, applicable in a number of fields. The AQW223R2S can be used to control a variety of loads, such as electric heaters, air conditioners, pumps, lighting fixtures, motor-driven equipment, and computers. Furthermore, its use stretches beyond these potential applications, to include its utility in automation processes and industrial safety.

The AQW223R2S is designed for use in both AC and DC power systems, making it an especially attractive option for those looking for an all-in-one SSR package. It can be used in DC systems with up to 150V of input voltage. Furthermore, the AQW223R2S is especially applicable to power systems with a wide range of load currents, with the ability to turn on and off up to 20A of load current.

The AQW223R2S has been proven to be an effective and reliable SSR in many applications. Its range of potential applications is broad, making it a sensible choice for anyone looking to control and automate their power system.

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