The PR5528 Photocell is a high-sensitivity light dependent resistor (LDR) designed for automatic light detection and control applications. It changes resistance according to the intensity of ambient light, decreasing resistance in bright conditions and increasing resistance in darkness. Because it operates based on the internal photoelectric effect, it provides stable and reliable performance without requiring specific electrode polarity, which simplifies circuit design. Moreover, its two-terminal structure allows quick integration into voltage divider or switching circuits using standard DC power supplies. The PR5528 is widely used in automatic street lighting, security systems, and light-activated control circuits. Its compact and durable construction makes it suitable for both indoor and outdoor environments. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Features:
High Light Sensitivity – Clearly distinguishes between bright and dark environments.
Polarity Independent Operation – Simplifies PCB layout and wiring design.
Two-Terminal Interface – Easy to connect in voltage divider or comparator circuits.
Stable Photoelectric Performance – Ensures consistent response over time.
Wide Application Compatibility – Suitable for automation and sensing systems.
Compact and Durable Body – Fits easily into embedded and outdoor designs.
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Applications:
Street Light Automation – Automatically turns lights on at dusk and off at dawn.
Security Systems – Detects light changes in alarm or monitoring setups.
Night Lamps – Controls illumination based on ambient light levels.
Solar Garden Lights – Activates lighting automatically in low-light conditions.
Photography Light Meters – Measures environmental light intensity.
DIY Electronics Projects – Ideal for student and hobbyist automation circuits.
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| General Specifications |
| Model | PR5528 |
| Sensor Type | Light Dependent Resistor (LDR) |
| Terminal Type | Two-Terminal |
| Dark Resistance | High (Megaohm Range) |
| Bright Resistance | Low (Approx. 1Ω Typical Under Strong Light) |
| Operating Principle | Internal Photoelectric Effect |
| Power Requirement | Standard DC Circuit |
| Polarity Requirement | Not Polarity Sensitive |
| Application Type | Light Detection & Control |
| Shipment Weight | 0.002 kg |
| Shipment Dimensions | 18 × 3 × 3 cm |
Please allow 5% measuring deviation due to manual measurement.
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Package Includes:
1 x PR5528 Photocell
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