CT137

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Solid state relays have become increasingly common nowadays in the field of industrial applications. They are mainly used in temperature control, motor control, light control, and many other industrial applications due to their advantages in terms of speed, accuracy, and reliability. CT137 is one of the most popular relays in the industry. This article will discuss the application field and working principle of CT137.

CT137 is a solid state relay which is mainly used for switching both AC and DC currents. The specific features of CT137 include a fast switching speed of up to 600VAC, a low on voltage of 5V, a high off voltage of 10V, and a wide input voltage range of 3 to 32V. The operating temperature of CT137 is also extremely important, as it can operate within the range of -40°C to +85°C. Due to these features, CT137 is suitable for a variety of applications in the industry.

One of the most common applications of CT137 is temperature control. By controlling the output current of CT137, it can be used to precisely control the temperature in a variety of settings. For instance, it can be used in industrial ovens or refrigerators to maintain the precise temperature. In addition, CT137 can be used as motor control. Since a motor requires precise control of the electrical current, CT137 can be used to control the current so that the motor runs smoothly and efficiently. CT137 can also be used for lighting control as it can offer precise control of the lighting system.

In terms of its working principle, CT137 is a solid state relay circuit which utilizes a NPN transistor as a switch. The NPN transistor is in turn controlled by a control circuit consisting of resistors and capacitors. The voltage of the control circuit is regulated by an opto-isolator, which is used to isolate the control circuit from the output current. The opto-isolator is triggered by a specific voltage level, which in turn switches the NPN transistor to control the output current.

In conclusion, CT137 is a popular solid state relay which can be used in a variety of applications, such as temperature control, motor control, and lighting control. The working principle of CT137 is based a NPN transistor switch which is controlled by a control circuit. This makes CT137 extremely reliable and efficient for a variety of industrial applications.

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