Senba Sensing Technology Co., Ltd.
Photoresistance φ3 series From Senba for Lamps
Photoresistance φ3 series From Senba for Lamps

Photoresistance φ3 series From Senba for Lamps

Overview

Light dependent resistors, LDRs or photoresistors are often used in circuits where it is necessary to detect the presence or the level of light. They can be described by a variety of names from light dependent resistor, LDR, photoresistor, or even photo cell, photocell or photoconductor.


Feature

  • Small volume

  • Fast response

  • Good spectrum characteristic


   Standard Type and Specifications


Specification

Type

Maximum

Voltage

Maximum

power

Spectrum

peak value

Light

resistance

(10Lux)

(KΩ)

Dark

resistance

(MΩ)

Response time

(ms)

Increase

Decrease

φ 3

series

 

GL3516

100

50

540

5- 10

0.6

30

30

GL3526

100

50

540

10- 20

1

30

30

GL3537-1

100

50

540

20- 30

2

30

30

GL3537-2

100

50

540

30- 50

3

30

30

GL3547-1

100

50

540

50- 100

5

30

30


Applications

They have a very simple structure and they are low cost and rugged devices.They are widely used in many different items of electronic equipment including photographic light meters, fire or smoke alarms as well as burglar alarms, and they also find uses as lighting controls for street lamps.


FAQ

1. What is the size for LDR?

φ3 series, φ4 series, φ5 series, φ7 series, φ10 series, φ12 series, φ20 series.

2. What is your production capitable?

5 million Pieces per Month

3. Which of the photoresistor's will be the best to allow an led to only come on in complete darkness

It depends on the circuit you intend to use.

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FAQ