3mm 3528 LDR 10-20K
₹30.00 Original price was: ₹30.00.₹16.00Current price is: ₹16.00. (Excl. 18% GST)
Price (Excl. GST): ₹16.00
Price (Incl. GST): ₹18.88
- Diameter: 3mm
- No. of Pins: 2
- Type of Mounting: PCB Through Hole
- Maximum Operating Temperature: +80°C (Approx.)
- Dark resistance:1-20 Mohm
12 in stock
11 in stock
17 in stock
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The 3mm 3528 LDR 10-20K is a versatile light-dependent resistor that adjusts its resistance based on ambient light exposure. This sensitive component plays a crucial role in various light-sensing applications, making it ideal for automatic outdoor lighting systems and indoor light switches. As light intensity increases, the resistance across the two leads decreases, allowing for precise monitoring of light levels.
Designed for effectiveness in both bright and dark environments, the LDR 3mm is particularly user-friendly for electronic projects requiring ambient light detection. Utilizing two Cadmium Sulphide (CdS) photoresistive cells, this sensor mimics the spectral response of the human eye, providing accurate readings across a range of lighting conditions.
Common applications include smoke detection systems, automatic lighting controls, batch counting mechanisms, and burglar alarm systems, where light levels are critical for operation. Its simple integration and reliable performance make the LDR 3mm a staple component in electronic design, enhancing functionality in diverse settings.
Analog Applications:
- Camera Exposure control
- Auto slide focus – dual cell
- Photocopy machines – the density of the toner
- Colorimetric Test Equipment
- Densitometer
- Electronics scales – dual cell
- Automatic gain control – modulated light source
- Automated Rear View Mirror
Digital Applications:
- Automatic Headlight Dimmer
- Nightlight control
- Oil burner flame out
- Streetlight control
- Absence / Presence (Beam breaker)
- Position sensor
Package Includes:
- 1x 3mm 3528 LDR 10-20K





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