QTLP652C3TR Optoelectronics

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LED Indicators are a widely used technology in the world of Electronics today. They provide visual indications of operations and can be found in a wide range of devices, from simple on-off indicators to complex circuit board layouts. The QTLP652C3TR is an LED indicator that operates in the discrete field. This article explains the application field of the QTLP652C3TR and its working principle.

Application Field

The QTLP652C3TR LED indicator is primarily used for labelling and marking equipment, allowing users to identify commands or reference items quickly. It has an operating temperature range of –40⁰C to +85⁰C, making it suitable for use in a wide range of environments. It is thimble-proof, with an IP68 rating, meaning that it can resist dust, water, and corrosion over a long period of time. The indicator is designed with an extra-long life span of up to 40,000 hours of usage, demonstrating its reliability in any situation. This indicator is very flexible in its uses, as it can be used as a standalone indicator light or in a combination with other indicator lights, adding to the convenience of its multiple applications.

Working Principle

The QTLP652C3TR indicator is a bright LED (Light Emitting Diode) that is powered by a 4.2V direct current from a DC power supply. In a two-wire application, current is passed through the two leads of the indicator and a voltage drop is created between the anode and the cathode. The internal structure of the diode is such that current is allowed to flow through one direction, but is inhibited if it is reversed. This creates an on-off function, with the LED turning on when current is passed through in the right direction, and it turning off when the current is reversed. This allows the indicator to be used to indicate whether a circuit is operating correctly or not, as well as indicate when certain processes are taking place. For example, the indicator can be used to indicate whether a motor is running. When the current to the motor is reversed, the LED will turn off, allowing the user to know that the motor has stopped.

Conclusion

The QTLP652C3TR LED indicator is a discrete LED indicator. It has a wide range of applications, such as labelling and marking equipment, and is suitable for a variety of environments due to its extra-long lifespan and thimble-proof IP68 rating. It works on a 4.2V DC and is powered through a two-wire application. The LED turns on and off depending on which direction the current flows in the two-wire application, creating the on-off function which allows it to indicate whether a process is happening or not. This makes the QTLP652C3TR ideal for a wide range of applications where visual indicators of operations are necessary.

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