LDR-5MM-MODULE
PACKAGE INCLUDES:
- 10 × 5mm LDRs
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Description
MINIMUM TECH FEATURES:
- Diameter: 5 mm
- Number of Pins: 2
- Mounting Type: PCB Through Hole
- Dark Resistance: 1–20 MΩ
- Maximum Operating Temperature: +80°C
DESCRIPTION:
- The LDR-5MM-MODULE uses a photoresistor (CdS cell) that changes resistance based on ambient light intensity.
- The 5 mm compact form allows integration into small or space-constrained devices.
- Outputs a voltage proportional to the surrounding light level — ideal for analog inputs on microcontrollers.
- Features a simple two-pin connection for easy interfacing and low-cost circuit integration.
- Commonly used in light-activated switches, ambient light detection, and automatic brightness control applications.
- Can detect sunlight intensity for environmental monitoring or light-based robot navigation (e.g., line-following).
TECHNICAL SPECIFICATIONS:
| Parameter | Specification |
| Diameter | 5 mm |
| Number of Pins | 2 |
| Dark Resistance | 1–20 MΩ |
| Typical Light Resistance | 10–50 kΩ (under 10 lux) |
| Max Operating Voltage | 150 VDC |
| Max Power Dissipation | 100 mW |
| Response Time | 20–30 ms |
| Operating Temperature | -30°C to +80°C |
| Mounting | Through-Hole |
| Shipping Weight | 0.04 kg |
| Shipping Dimensions | 4 × 3 × 2 cm |
APPLICATIONS:
- Camera Exposure Control
- Auto Slide Focus Systems
- Photocopy Machines (Toner Density Detection)
- Colorimetric and Densitometric Instruments
- Automatic Gain Control Systems
- Automotive Headlight Dimmers
- Streetlight and Nightlight Controllers
- Flame Out Detection (Oil Burner)
- Presence or Beam Break Sensors
- Position or Tracking Sensors
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