GL7528 Photoresistor LDR 8-20kΩ 7mm
The GL7528 Photoresistor Sensor LDR 8-20kΩ 7mm is a light-sensitive component with a resistance range of 8–20kΩ, designed to vary its resistance based on the intensity of ambient light. It offers reliable performance in applications such as automatic lighting systems, brightness control, solar-powered devices, and various electronic projects. With its compact size and fast response, the GL7528 is easy to integrate into circuits, making it a versatile choice for light detection and control tasks.
Features
- 7mm round epoxy-coated head for higher light sensitivity.
- Resistance range: 8–20kΩ at 10 lux illumination.
- Reliable and stable performance under varying light conditions.
- Fast response time to changes in ambient light.
- Easy to integrate into light control and sensing circuits.
- Durable construction for long service life.
- Supplied in a convenient 2-piece pack.
Dimensions
Specifications
| Parameters | Value/Range |
| Diameter | 10 mm |
| Material | Cadmium Sulfide (CdS) |
| Resistance (Dark) | 2MΩ |
| Resistance (Bright Light) | 10KΩ – 20KΩ |
| Sensitivity | High |
| Response time | Increase: 30msec
Decrease: 30msec |
| Operating Temperature | -30°C to +70°C |
| Maximum Voltage | 250V |
| Power Rating | 200 mW |
| Spectral Peak Response | 560 nanometer |
| Gamma value at 100- 10Lux | 0.6 |
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
- 1 X GL7528 Photoresistor Sensor LDR 8-20kΩ 7mm
