The GL5549 from SENBA’s GL4 Series is a high-power photoresistor (LDR) engineered for precise ambient light detection in demanding electronic and industrial applications. Featuring a peak spectral response at 540nm, this device is optimized for visible light sensing, making it ideal for automatic lighting control, brightness regulation, and energy-efficient automation systems.
Designed to handle a maximum voltage of 150VDC and a high power rating of 100mW, the GL5549 offers superior durability and enhanced power handling capability compared to standard LDRs. It provides a resistance range of approximately 10kΩ to 100–200kΩ depending on light intensity, ensuring smooth and accurate analog response to varying ambient light conditions.
The GL5549 operates reliably within a wide temperature range of -30°C to +70°C, ensuring stable performance in both indoor and outdoor environments. Its plug-in design enables easy installation and seamless integration into PCB-based systems, reducing assembly complexity and improving design flexibility.
Compared to lower-power and lower-voltage alternatives, the GL5549 delivers improved reliability, higher power capacity, and consistent long-term performance, making it an excellent solution for high-demand light sensing applications.
Key Features:
- Peak wavelength response: 540nm (visible light)
- High voltage capability: 150VDC
- High power rating: 100mW
- Resistance range: 10kΩ to 100–200kΩ (light dependent)
- Plug-in design for easy PCB integration
- Wide operating temperature: -30°C to +70°C
- Stable and responsive light sensing
- Enhanced durability for high-power applications
Applications:
- Automatic street lighting systems
- High-power ambient light sensing circuits
- Energy-saving lighting control
- Industrial automation systems
- Consumer electronics
- Smart lighting and control solutions