GL5539 Photoresistor Sensor LDR 30-90kΩ 5mm 2Pcs

From the shop's description

GL5539 Photoresistor Sensor LDR 30-90kΩ 5mm 2Pcs The GL5539 Photoresistor Sensor LDR 30-90kΩ 5mm 2Pcs is light-sensitive device that varies its resistance with changing light intensity. With a resistance range of 30–90kΩ at 10 lux, it offers stable and reliable performance for detecting and responding to ambient light levels. This compact LDR is widely used in automatic lighting controls, light sensors, alarms, and DIY electronics, making it ideal for projects that require simple and effective light detection. Supplied in a 2-piece pack, it provides convenience for experimentation and practical applications. Features 5mm epoxy-coated round head for compact design. Light-dependent resistance with wide sensitivity range. Resistance: 30–90kΩ at 10 lux illumination. Fast response to changing light levels. Reliable performance with long service life. Easy to integrate into light control and detection circuits. Supplied in a 2-piece pack for convenience. Dimensions Specifications Parameter Condition Value Model — GL5539 Datasheet — GL5539 Diameter — 5mm Light Resistance @ 10 Lux, 25℃ 30kΩ – 90kΩ Maximum Voltage @ 25℃ 150VDC Power Dissipation @ 25℃ 90mW Dark Resistance @ 0 Lux 10MΩ Gamma Value 100 – 10 Lux 0.7 Response Time — 30ms Spectral Response Peak @ 25℃ 540nm Ambient Temperature Range — -30℃ ~ +70℃ Applications Automatic lighting control (street lights, garden lights, night lamps). Light-sensitive alarms and security systems. Display brightness adjustment in electronic devices. Solar garden lights and energy-saving systems. Camera exposure control and light meters. DIY electronics and educational projects. Light-following robots and sensor-based automation systems. Package Contents 2 x GL5539 Photoresistor sensor LDR 30-90kΩ 5mm Datasheet GL5539