The GL7537 Photoresistor Light Dependent Resistor LDR 7mm 16-50kΩ is a light sensor that changes resistance according to ambient light levels, ranging from 16–50kΩ. It provides reliable performance for applications such as automatic lighting control, brightness adjustment, solar lights, and electronic hobby projects. Compact and easy to use, this LDR ensures quick response to varying illumination. The pack includes 2 pieces, making it convenient for experiments, replacements, or small-scale projects.
Features
- 7mm round epoxy-coated head for higher light sensitivity.
- Resistance range: 16–50kΩ 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
| Parameter | Condition | Value |
|---|---|---|
| Model | — | GL7537 |
| Datasheet | — | GL7537 |
| Diameter D | — | 7mm |
| Light Resistance RL | @ 10 Lux, 25℃ | 16–50 kΩ |
| Maximum Voltage Vmax | @ 25℃ | 150VDC |
| Power Dissipation Pd | @ 25℃ | 100mW |
| Dark Resistance RD | @ 0 Lux | 3MΩ |
| Gamma Value γ | 100–10 Lux | 0.7 |
| Response Time T | — | 30ms |
| Spectral Response Peak λ | @ 25℃ | 540nm |
| Ambient Temperature Range Top | — | -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 GL7537 Photoresistor Light Dependent Resistor LDR 7mm 16-50kΩ
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