Photoreflector

Code: JA26D

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Product details

Photoreflector

A photo emitting diode and a phototransistor housed in a compact package that can be used for counting, rotational speed etc. The device has a very fast rise/fall time - just 1ms.
Specification (IF=20mA, ICE=1mA, VCE=5V)
Photocurrent (R<->L=20k): 230µa min.
Saturation (R<->L=20k): 0.4V
Cross talk: 1.0µA
Dark current (I<->F=0mA): 100nA
V<->F: 1.7V
V<->ECO (I<->CE=1mA): -3V
V<->CEO (I<->CE=1mA): 12V
Rise time: 1ms
Fall time: 1ms

At 5v supply, what value of load resistor RL is required? Can I use a 3.3v supply? If so, what value load resistor would be required?

Asked by: Tonygwr
Sorry but we are unable to advise on individual project or circuit designs. The technical characteristics for the device can be found here. http://52.50.15.149:8072/Downloads/data-sheet-7640 Ff building or designing your own project or circuit then this information should enable you to select the correct components and values.
Answered by: Les
Date published: 2017-05-17

What's the maximum distance for a reflective surface to be set at.
Asked by: Anonymous
Approx 5mm
Answered by: JK
Date published: 2015-07-17

Do you have a shaft encoder (for motor shaft) for these type devices
Asked by: Anonymous
Regretably not
Answered by: PS
Date published: 2015-07-17
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Bulk Prices

Item code Item name Quantity Price
JA26D Photoreflector (100+) £0.79
JA26D Photoreflector (25+) £0.84
JA26D Photoreflector (10+) £0.89
JA26D Photoreflector (5+) £0.94
JA26D Photoreflector (1+) £1.09

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