OPTEK Technology Inc. 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (972) 323-2200 or (800) 341-4747    FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com
Issue A .2 3/09
Page 1 of 3
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Slotted Optical Switch
OPB855
Features:
" Low profile 0.27 (6.86 mm) overall height
" Printed PCBoard mounting
" 0.205 (5.21 mm) wide and 0.220 (5.59 mm) deep slot
" 0.380 (9.65 mm) lead spacing
" Opaque plastic housing
Description:
The OPB855 slotted optical switch consists of an infrared emitting diode and a NPN silicon phototransistor,
mounted on opposite sides of a 0.205 (5.21 mm) wide slot in an inexpensive plastic housing. Switching of the
phototransistor occurs whenever an opaque object passes through the slot.
Custom electrical, wire and cabling and connectors are available. Contact your local representative or OPTEK for
more information.
Product Photo Here
RoHS
Pin #   Description
1
Anode
2
Cathode
3
Collector
4
Emitter
Applications:
" Non-contact interruptive object sensing
" Assembly line automation
" Machine automation
" Equipment security
" Machine safety
Ordering Information
OPB855
Part Number
Description