The GL5506 Photoresistor Sensor LDR 4-7kΩ 5mm 2Pcs is light-sensitive device that adjusts its resistance according to ambient light levels. With a resistance range of 4–7kΩ at 10 lux, it provides reliable and fast response for accurate light detection. Compact and easy to use, this LDR is suitable for automatic lighting systems, light control circuits, alarms, display brightness adjustment, and DIY electronics projects. Supplied in a 2-piece pack, it is a practical component for both hobbyists and circuit designers.
Features
- 5mm epoxy-coated round head for compact design.
- Light-dependent resistance with wide sensitivity range.
- Resistance: 4–7kΩ 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 | — | GL5506 |
| Datasheet | — | GL5506 |
| Diameter | — | 5mm |
| Light Resistance | @ 10 Lux, 25℃ | 4kΩ – 7kΩ |
| Maximum Voltage | @ 25℃ | 150VDC |
| Power Dissipation | @ 25℃ | 90mW |
| Dark Resistance | @ 0 Lux | 0.5MΩ |
| Gamma Value | 100 – 10 Lux | 0.5 |
| 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 GL5506 Photoresistor Sensor LDR 4-7kΩ 5mm
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