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High Quality Diam 7mm Light Resistor for Outdoor Solar Garden Light GL7537-1

Overview

A photoresistor (or light-dependent resistor, LDR, or photo-conductive cell) is a light-controlled variable resistor. The resistance of a photoresistor decreases with increasing incident light intensity; in other words, it exhibits photoconductivity. A photoresistor can be applied in light-sensitive detector circuits, and light-activated and dark-activated switching circuits. There are 3mm, 4mm, 5mm, 7mm, 10mm, 12mm, 20mm for your choose.

Feature

Small volume

Fast response

Good spectrum characteristic

Standard photoresistor typesand ldr sensor specifications

Specification

Type

Maximum

Voltage

Maximum

power

Spectrum

peak value

Light

resistance

(10Lux)

(KΩ)

Dark

resistance

(MΩ)

Response time

(ms)

Increase

Decrease

φ20

series

GL7516

150

100

540

5- 10

30

30

GL7528

150

100

540

10- 20

1

30

30

GL7537-1

150

100

560

20- 30

2

30

30

GL7537-2

150

100

560

30- 50

4

30

30

GL7539

150

100

560

50- 100

8

30

30

Design Considerations

Photoresistors are less light-sensitive devices than photodiodes or phototransistors: the two latter components are true semiconductor devices, while a photoresistor is a passive component and does not have a PN-junction. The photoresistivity of any photoresistor may vary widely depending on ambient temperature, making them unsuitable for applications requiring precise measurement of or sensitivity to light photons.

Applications

Photoresistors come in many types. Inexpensive cadmium sulfide cells can be found in many consumer items such as camera light meters, clock radios, alarm devices (as the detector for a light beam), nightlights, outdoor clocks, solar street lamps and solar road studs, etc.

FAQ

An LDR is a component that has a (variable) resistance that changes with the light intensity that falls upon it. This allows them to be used in light sensing circuits.

Senbais a pir sensor manufacturers, we provide ldr response time, ldr specifications, high quality resistors, ldr application circuits, ldr details, light variable resistorand etc. Welcome to contact us.



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