Photologic
®
Slotted Optical Switch
OPB120A, OPB120B, OPB121A, OPB121B
OPB122A, OPB122B, OPB123A, OPB123B
Features:
•
•
•
•
•
•
Choice of output configuration
Printed circuit board mounting
Opaque plastic housing
Low profile
0.080” (2.03 mm) wide slot
0.275” (6.99 mm) lead spacing
Product Photo Here
Description:
The
OPB120
through
OPB123
devices consist of an infrared emitting diode and a Photologic® sensor (which is a
monolithic integrated circuit that incorporates a linear amplifier and a Schmitt Trigger). The
OPB120
series have
an LED and Photologic® sensor mounted on opposite sides of a 0.080” (2.03 mm) wide gap of an opaque
housing. The OPB12_A series have a molded 0.040” (1.02 mm) wide apertures located over both the emitter and
the Photologic® sensor. The OPB12_B seriesseries have a molded 0.040” (1.016 mm) wide apertures located
over the emitter and 0.010” (0.254 mm) over the Photologic® sensor. All devices in this series have the added
stability utilizing hysteresis built into the amplification circuitry.
The electrical output can be specified as either buffered Totem-Pole
(OPB 120A, OPB120B),
buffered Open-
Collector
(OPB121A, OPB121B),
Inverted Totem-Pole
(OPB122A, OPB122B),
or Inverted Open-Collector
(OPB123A, OPB123B).
Custom electrical, wire and cabling and connectors are available. Contact your local representative or OPTEK for
more information.
Applications:
•
•
•
•
•
Mechanical switch replacement
Speed indication (tachometer)
Mechanical limit indication
Edge sensing
Object sensing
Ordering Information
Part
Number
OPB120A
OPB120B
OPB121A
Sensor
Photologic®
Totem-Pole
Aperture
Emitter/
Sensor
0.04" / 0.04"
0.04" / 0.01"
0.04" / 0.04"
0.04" / 0.01"
0.04" / 0.04"
0.04" / 0.01"
0.04" / 0.04"
0.04" / 0.01"
Pin # Description
1
2
3
4
5
Anode
Cathode
V
CC
Output
Ground
OPB121B
OPB122A
OPB122B
OPB123A
OPB123B
Open-
Collector
Inverted
Totem-Pole
Inverted
Open-
Collector
RoHS
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Issue A.1
02/06
Page 1 of 5
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