AQK1211

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Solid State Relays

Solid State Relays (SSRs) are an electronic switching device that uses a semiconductor to control and switch a load. SSRs consist of a control section and a load section, with their main part being the switching element. The switching element is usually an insulated gate bipolar transistor (IGBT). The control signal moves the gate, which, in turn, switches the load.

AQK1211 is a special type of SSR with its working principle depending on the resistance of the switching element to change when its temperature changes. This type of SSR uses a temperature sensitive material as its switching element. This material is heated and cooled by a heater and a cooler, respectively, which is driven by the control voltage. The voltage activates a temperature controller which then causes the resistance of the switching element to oscillate, thereby affecting the switching operation of the load.

AQK1211 has many traditional application fields, such as motor speed control, temperature regulation, and switching surge current protection devices. It also has the ability to be used as an electronic energy save valve and its integral actuator enables it to be used as an electro-mechanical-thermo-mechanical valve. As its switching element has high voltage and heat resistance characteristics, it can be used in conjunction with a high voltage power switch with temperature over-load protection. As a result, AQK1211 has superior control precision, fast switch-on and switch-off time, low drive power, and high efficiency.

AQK1211 also boasts better thermal resistance than other types of SSRs, as it does not require a zero crossing voltage for switching threshold and has a micro Controller Unit which modulates temperature, current and temperature coefficient. Consequently, it has a much higher temperature control precision than other SSRs. In addition, its dynamic thermal stability enables it to work in different environments and in a wide temperature range.

AQK1211 is thus a versatile and robust device that is suitable for a wide range of applications. Its ability to accurately control the switching time, voltage and power makes it an ideal choice for applications such as energy metering, lighting control, consumer electronics, automation, and industrial process control. Additionally, it is also an economical and low-power solution for applications like communications and data communications, consumer appliances, motor control, thermostats and machine learning.

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