EFY3864X Optoelectronics

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The EFY3864X is a LED discrete indication device designed to produce a highly efficient light output. It consists of an LED in a package housing an LED die with a flat, non-reflective lens. The device is suitable for a variety of applications including automotive, industrial, and commercial.The EFY3864X uses an integrated circuit (IC) to control current flowing through the LED die. This IC is optimized to reduce power consumption while still providing high brightness and reliability. The IC also provides over-current and over-temperature protection.The device is available in two brightness ranges: medium and high. The medium intensity version has a maximum current of 20 mA and a typical view angle of 100°. The high brightness version has a maximum current of 60 mA and a typical view angle of 60°. The device is optimized for use in systems with a nominal supply voltage of 3.3V.The working principle behind the EFY3864X is simple. The IC controls the current flowing through the LED die by adjusting its output voltage based on the input voltage and the current level set by the user. The maximum current level is determined by the current limiting resistor connected between the cathode (ground) and the anode of the device.When the external voltage is greater than the sum of the Vf (Voltage Forward) of the LED and the voltage drop across the current limiting resistor, the LED will turn on. As the voltage increases, the maximum current through the LED increases, resulting in brighter illumination.The EFY3864X is designed to be used in automotive, industrial, and commercial lighting applications. It can be used in a variety of applications including exterior lighting, interior lighting, and signage. Due to its high efficiency and ease of use, it has become a popular choice for these types of applications.In conclusion, the EFY3864X LED discrete indication device is an efficient, durable, and low-cost solution for a variety of lighting applications. It can provide excellent brightness levels and reliable performance, while reducing power consumption. It is a great choice for automotive, industrial, and commercial lighting applications.

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