GL5539 150VDC 100mW 540nm Photoresistor LDR Plug-in | 5–100kΩ High Power Light Sensor -30~+70°C | SENBA

SENBA

The GL5539 from SENBA’s GL4 Series is a high-power photoresistor (LDR) designed for precise and reliable ambient light detection in industrial and electronic systems. With a peak spectral response at 540nm, this device is optimized for visible light sensing applications such as automatic lighting control, brightness regulation, and energy-efficient automation.

Engineered for high-demand applications, the GL5539 supports a maximum operating voltage of 150VDC and a robust power rating of 100mW, offering enhanced durability and superior power handling compared to standard LDRs. It features a resistance range of approximately 5kΩ to 50–100kΩ depending on light intensity, ensuring smooth and accurate analog response to varying ambient lighting conditions.

The device operates reliably across a wide temperature range of -30°C to +70°C, making it suitable for both indoor and outdoor environments. Its plug-in design allows for easy installation and seamless integration into PCB-based systems, simplifying assembly and improving design flexibility.

Compared to lower-power alternatives, the GL5539 provides higher power capacity, stable long-term performance, and improved reliability, making it an excellent choice for demanding light sensing applications.


Key Features:

  • Peak wavelength response: 540nm (visible light)
  • High voltage capability: 150VDC
  • High power rating: 100mW
  • Resistance range: 5kΩ to 50–100kΩ (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