GL5539 5mm LDR Sensor Photoresistor Photo Cell 50-100K

GL5539 5mm LDR Sensor Photoresistor Photo Cell (50-100K) is a light-dependent resistor that changes its resistance based on ambient light intensity. With a resistance range of 50KΩ to 100KΩ at 10 Lux and a compact 5 mm form factor, it’s perfect for automatic lighting, light meters, and DIY electronics.

Key Features of GL5539 LDR Sensor:

• • Wide Resistance Range: 50KΩ–100KΩ in bright light, >1 MΩ in darkness.
  • 5 mm Diameter: Compact package for tight PCB layouts.
  • Fast Response: Rise/fall times typically <30 ms.
  • High Voltage Tolerance: Up to 150 V DC.
  • Low Power: Passive device with negligible consumption.

Technical Specifications of GL5539:

• • Model: GL5539
  • Head Diameter: 5 mm
  • Light Resistance: 50KΩ–100KΩ (@ 10 Lux)
  • Dark Resistance: ≥1 MΩ
  • Max Voltage: 150 V DC
  • Response Time: <30 ms (rise/fall)
  • Operating Temperature: -25 °C to +85 °C
  • Lead Spacing: 5 mm (typical)

Wiring Diagram of GL5539:

• • Use as part of a voltage divider: connect LDR between VCC and analog input, with a fixed pull-down resistor to GND.
  • Measure voltage at the junction with the microcontroller ADC pin (e.g., Arduino A0).

Applications of GL5539:

• • Automatic street and garden lighting
  • Display brightness auto-adjustment
  • Ambient light sensing in IoT devices
  • Light-activated alarms and security systems
  • Robotics and camera exposure control

Equivalent Models of GL5539:

• • GL5516: Similar 5 mm LDR with 5–10 KΩ light resistance.
  • GL5528: 5 mm photoresistor with 20–40 KΩ range.

Datasheet:

• • Download GL5539 5 mm LDR Datasheet

Keywords for GL5539 LDR Sensor:

• • GL5539
  • 5 mm LDR
  • 50-100K Photoresistor
  • Ambient Light Sensor
  • Photo Cell
  • Light Dependent Resistor

Package Includes:

• • 1 x GL5539 5 mm LDR Sensor Photoresistor (50K–100K)