MV8813

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LED, or light emitting diode, is a form of discrete indication that conveys information using light, with each individual LED often packaged in small housings for easy mounting. Such indication is available in many colors and many technology sectors, from automotive to consumer electronics. One such product is the MV8813, an LED for the automotive market supplied by OSRAM. The application field and working principle of this device are discussed here.

MV8813 Application Field

The MV8813 is a current reduction indicator LED with a power supply voltage ranging from 12V to 26V. This part is intended for use in the automotive and transportation industries, primarily in illuminated warning signs, shift indicators, emergency lighting, and other applications requiring indirect and discreet illumination. It has a very long lifetime and low power consumption, making it ideal for use in mobile applications and for controlling complexity, weight and costs in transport vehicles.

Additionally, the brightness of the LED can be adjusted from 30mcd to 800mcd, depending on the current, making it suitable for applications where visibility and brightness need to be balanced. Furthermore, the relatively large 60° beam angle encompasses a wide illuminated area, making the MV8813 particularly suited to uses in the automotive sector, where ordinary LEDs may not be able to adequately perform.

MV8813 Working Principle

The MV8813 follows the basic working principle of an ordinary LED: an electrical current is passed through a semiconductor material, which causes electrons to flow and in turn generate light. The MV8813, however, adds an additional control circuit that provides current regulation. This allows it to operate in both DC and AC modes, and also decreases the amount of current it consumes, reducing power consumption and extending its lifespan.

The MV8813 also has a protective circuit that further increases its operational reliability and durability. A zener diode for overvoltage protection, an ESD protection diode for electrostatic discharge, and a MOSFET to control current are all included. The result is an LED with an incredibly long service life of over 100,000 hours and an incredibly low power consumption of just 12mW when operating in DC mode.

Conclusion

In conclusion, the MV8813 is an LED that is ideal for use in discrete indication applications, particularly in the automotive sector. It has a wide variety of features, including adjustable brightness, wide beam angle, and long service life that make it highly suitable for use in applications that require discreet illumination. Furthermore, the protective circuit ensures reliability and durability, while the adjustable current regulator ensures that power consumption is kept to a minimum.

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