CMD17-21UYC/TR8

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LED Indication - Discrete indicates the information of devices through the light-emitting diodes (LEDs), which have obvious performance advantages over traditional analog indicators. The CMD17-21UYC/TR8 provides a wide selection of discrete LED indicators with versatile applications. This article will explore the application area and working principle of the CMD17-21UYC/TR8.

Application Field

The CMD17-21UYC/TR8 LED indicators offer a wide range of applications. They can be used to provide status indication in a variety of applications such as industrial machinery, process control, audio/visual equipment, security systems, medical equipment, and automotive. The CMD17-21UYC/TR8 is also suitable for applications where a bright, vivid, and long-lasting indication is desired.

Working Principle

The working principle of the CMD17-21UYC/TR8 LED indicators is based on the electro-optical properties of LED. The LED consists of two parts: An LED die, which is a semiconductor diode, and a lens that is used to concentrate the emitted light. The LED works on the principle of electro-luminescence. When a voltage is applied across the LED die, electrons are injected into the PN junction of the diode and recombine with holes. This process of recombination emits light with a specific wavelength and intensity. The intensity of light emitted depends on the voltage and current passing through the LED. When the applied voltage and current are within limits, the bright and vivid light emitted is used for indication.

Housing Construction

The CMD17-21UYC/TR8 LED indicators are constructed using thermoplastics and metal substrates. The thermoplastics provide superior strength and heat resistant properties, while the metal provides a robust and robust construction. The flexible metal substrate is also resistant to corrosion, making it an ideal choice for outdoor applications. The LED is housed in a transparent or semi-transparent shell, which maximizes the brightness of the LED. An integral lens is used to concentrate the light from the LED into a single beam that is directed toward the intended application.

Input Power Requirements

The CMD17-21UYC/TR8 LED indicators require a constant voltage source to operate. The voltage source must be capable of providing the required input voltage and current, as specified by the manufacturer. A wide range of AC and DC sources can be used to power the LED indicator, including mains and battery supplies.

Control Signals

The CMD17-21UYC/TR8 LED indicators are controlled using ON/OFF signals. These ON/OFF signals can be generated using analog or digital controllers, or from a manual switch. When the signal is applied, the LED indicator lights up, and when it is removed, the LED goes dark. The ON/OFF signals can be used to change the brightness of the LED indicator if a dimming controller is used.

Conclusion

The CMD17-21UYC/TR8 LED indicators are versatile discrete indicators with a wide range of applications. They operate on the principle of electro-luminescence, require a constant voltage supply, and can be controlled using ON/OFF signals. The thermoplastic and metal housing provides robust construction, while the transparent or semi-transparent shell maximizes the brightness of the LED. These versatile LED indicators are a great choice for applications that require bright, vivid, and long-lasting light-emitting diodes.

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