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

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 Type and Specifications

SpecificationTypeMaximum VoltageMaximum powerSpectrum peak valueLight resistance(10Lux)(KΩ)Dark resistance(MΩ)Response time(ms)
IncreaseDecrease
φ20 seriesGL75161501005405- 100.53030
GL752815010054010- 2013030
GL7537-115010056020- 3023030
GL7537-215010056030- 5043030
GL753915010056050- 10083030


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

1.What is an LDR (Light Dependent Resistor)?

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.

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SENBA Sensing Technology Co.,Ltd., was founded in 2005, with the focus on producing the top quality photoelectric components, such as PIR sensors, Photoresistors,Light Sensors, Flame detectors etc. Our strategic goal is to master the core technology.