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20mm GL20528 Light Sensitive Photoresistor LDR

Availability:

In stock


SKU: 611918
  1. Diameter: 20 mm
  2. No. of pins: 2
  3. Type of mounting: PCB through-hole
  4. Size: 20mm
  5. Max. voltage: 500 VDC
  6. Max. power: 500 mW

 59.00

(inc GST)

₹ 50 (+18% GST extra)

In stock

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Brand: Generic
Category: Light/color Sensor, LDR
Tags: Photosensitive, Photoresistor, Ambient Brightness Sensor, 20mm 20528 LDR

The resistance of 20mm GL20528 Light Sensitive Photoresistor LDR changes with the change in the ambient light exposed on the surface of the sensor. As the light on the sensor increases then the resistance across the two leads decreases. Light Dependent Resistor is a type of photocell which finds excellent use in light sensing device application, whether it is automatic outdoor light ON/OFF switch or indoor automatic light switch; moreover, the 12mm LDR or photoresistor sensor works best in both light and dark regions. The photo-resistor is a staple of electronics. If you need a way to sense the level of ambient light, then there is no easier way to do it without an LDR/photo-resistor.

Two Cadmium Sulphide PhotoConductive Cells with spectral responses similar to that of the human eye. Cell resistance falls with increasing light intensity. Applications of this product include smoke detection, automatic lighting control, batch counting, and burglar alarm systems. Furthermore, some of the applications are given below.

 Analog Applications:

  1. Camera exposure control
  2. Auto slide focus – dual cell
  3. Photocopy machines – the density of the toner
  4. Colorimetric test equipment
  5. Densitometer
  6. Electronics scales – dual cell
  7. Automatic gain control – modulated light source
  8. Automated rear view mirror

Digital Applications:

  1. Automatic headlight dimmer
  2. Nightlight control
  3. Oil burner flame out
  4. Streetlight control
  5. Absence/presence (beam breaker)
  6. Position sensor

Other applications:

  1. Annunciator
  2. Camera automatic photometry
  3. Electronic toy
  4. Industrial control
  5. Light control
  6. Light control lamp
  7. Photoelectric control
  8. Switch

To know more about photo-resistor, click here. What is photo-resistor?


Features:

  1. Coated with epoxy
  2. Good reliability
  3. High sensitivity
  4. Small volume
  5. Fast response
  6. Good spectrum characteristic
  7. Model: GL20528 ( GM20528 )
  8. Size: 20mm
  9. Max. voltage: 500 VDC
  10. Max. power: 500 mW
  11. Spectrum Peak Value (nm): 560
  12. Light resistance ( KΩ) : 10–20 kΩ
  13. Dark resistance ( KΩ): 2 kΩ.
  14. Υ value : 0.6.
  15. Increase response time: 30 mS.
  16. Decrease response time: 30 mS.

Package Includes :

1 x 20mm GL20528 Light Sensitive Photoresistor LDR.
Diameter (mm)

20

Spectral Peak

560 nm

No. of Pins

2

Dark resistance

max. 2 kΩ

Light Resistance

10 – 20 kΩ

Maximum Voltage(V)

500 VDC

Maximum Power (W)

0.5

Response Time ( μS)

30

Shipment Weight

0.006 kg

Shipment Dimensions

4 × 3 × 2 cm

15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.


What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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