(image for) Slotted Opto Switch, OPB866T55 (SER21H)
Slotted Opto Switch, OPB866T55 (SER21H)

Slotted Opto Switch, OPB866T55 (SER21H)

R35.33

A slotted opto switch consisting of a miniature infra red emitter and matching NPN phototransistor, housed in a plastic package, with mounting lugs. Ideal for edge detection or for use with rotating slotted disks for speed or distance measurement or counts.

IR diode max IF=60mA
VF=1.5V max.
Phototransistor VCEO=30V max
Power dissipation=100mW
IC=0.5mA min when coupled, dark current 100nA max.


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  • Model: SER21H
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This product was added to our catalog on Monday 01 May, 2006.

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