ANThe DY-FPD333-3B/L3 is an Ambient Light Sensor made by TONYUAN, a leading supplier of electronic components. It is designed for applications that require light sensing, such as home lighting systems and other security systems. The device consists of three photodiodes and their associated circuitry, which combine to create the sensing elements. It is packaged in a through-hole format, making it easy to install in most applications and is RoHS compliant. Its photodiode overcurrent protection and thermal shutdown features ensure minimal heat dissipation and longer life. The device offers good sensitivity with a wide-ranging dynamic range of 0.0015 lux to 1400 lux at 1 frame rate, making it suitable for a variety of applications.