GL7537-2 Photoresistor Sensor LDR 30-50kΩ 7mm 2Pcs
GL7537-2 Photoresistor Sensor LDR 30-50kΩ 7mm 30–50kΩ offers light resistance, ideal for light detection, auto brightness, DIY electronics. Pack of 2 pieces.
15.00 EGP
Buy NowGL7537-2 Photoresistor Sensor LDR 30-50kΩ 7mm 2Pcs
The GL7537-2 Photoresistor Sensor LDR 30-50kΩ 7mm 2Pcs is a 7mm cadmium sulfide light sensor designed to change its resistance based on ambient light intensity. With a resistance range of 30–50kΩ, it offers reliable sensitivity for detecting light variations in different environments. This LDR is widely used in automatic brightness control, light-activated switching, solar garden lights, and DIY electronic projects. The compact round package makes it easy to integrate into circuits, while its fast response to light changes ensures stable performance. This pack includes 2 pieces, making it suitable for both experimentation and practical applications.
Features
- 7mm round epoxy-coated head for higher light sensitivity.
- Resistance range: 30–50kΩ 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 | — | GL7537-2 |
| Datasheet | — | GL7537-2 |
| Diameter D | — | 7mm |
| Light Resistance RL | @ 10 Lux, 25℃ | 30–50 kΩ |
| Maximum Voltage Vmax | @ 25℃ | 150VDC |
| Power Dissipation Pd | @ 25℃ | 100mW |
| Dark Resistance RD | @ 0 Lux | 5MΩ |
| 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 GL7537-2 Photoresistor Sensor LDR 30-50kΩ 7mm 2Pcs
Datasheet
| Weight | 5 g |
|---|---|
| Dimensions | 100 × 15 × 15 mm |
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