LDR Sensor

LDR Sensor

Home > Products > LDR Sensor > Metal Casing Good Reliablity Phototransistor D57 Series for Light Control Lamp

Metal Casing Good Reliablity Phototransistor D57 Series for Light Control Lamp

Overview

Light dependent resistor is made of semiconductor material. Also name LDR, photoconductor. The electric conductivity changs by the illuminance. The illuminance is more stronger, the value of the resistance will be more weaker. With this chareter, we can produce different size to satified different requirement. We have 5MM and 12MM series.  


Feature

Coated with epoxy

Good reliability

Small volume

High sensitivity

Quick response

Good spectrum characteristic


Standard Type and Specifications

SpecificationTypeMaximum VoltageMaximum powerEnvironmental temperatureSpectrumpeak valueLight resistance(10Lux)(KΩ)Dark resistance(MΩ)Metal Casing Good Reliablity Phototransistor D57 Series for Light Control LampResponse time(ms)Illuminance resistance characteristic
IncreaseDecrease
D57seriesD571715090-30~ +705405- 100.50.530302
D5727150100-30~ +7054010- 2010.620303
D5738-1150100-30~ +7054020- 3020.620304
D5738-2150100-30~ +7054030- 5030.720304
D5739150100-30~ +7054050- 10050.820305
D5749150100-30~ +70540100- 200100.920306


Metal Casing Good Reliablity Phototransistor D57 Series for Light Control Lamp

Applications

Camera automation photometry

Photoelectric control

Indoor sunlight control

Annunciator

Industrial control

Optical control switch


FAQ

What is the testing conditions?

Max external voltage: Maximum voltage to be continuously given to component in the dark.

Max power consumption: Maximum power at the environmental temperature 25℃.

Light resistance Irradiate by 400-600Lux light for two hours, then test with 10Lux under standard light source A(as colour temperature 2856K).

Dark resistance Refer to the resistance value ten seconds after the 10Lux light is shut up.

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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.