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Analog Optocoupler

Linear optocoupler

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LCR - 0203 Series

Linear optocoupler
Pure resistor, non-polarity output
Wide range of analog linear resistance, "on" at the low resistance, "off" at the high resistance
Simple circuit configuration suitable for DC and AC use
Input to output isolation , and low distortion coupling


Optocoupler is a Optoelectronic devices which use the current changes to control the resistance change. It is a Linear optocoupler which through the strictly selected, aging, testing. It made up of CDS and LED. This product belongs to the current input control,non-polarity resistance output control type.


Pure resistor and non-polarity output.
★ Wide range of analog linear resistance, "on" at the low 

     resistance.  "off" at the high resistance.

★ Simple circuit configuration suitable for DC and AC use.
★ Input to output isolation, and low distortion coupling.


TypeLCR- 0203 Series
PackageAluminum alloy columnar
Input current0- 20mA
Input Voltage1.6- 2.5Vdc
Output Light Resistance50Ω - 1KΩ @20mA- 0.01mA 
Output Dark Resistance1Ω - 10MΩ @10 seconds off later 
Response Period<2.5mS 
Insulating Voltage>2500VRMS 
Working Frequency<300KHz 
Max Power100mW 
Dimension(mm)Diameter 6.0*13.5

 LCR - 0203 Series

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SENBA Sensing Technology Co.,Ltd.(stock code:300701), 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.