0.125” (3.175 mm) slot width
Choice of aperture (0.050” or 0.010” width)
Choice of opaque or IR transmissive shell material
Choice of mounting configurations
Choice of lead spacing or wires
The slotted optical sensors in this series provide the flexibility of a custom device from a standard product line.
Building from a standard housing with a 0.125” (3.18mm) wide slot, the user can specify output logic state, output driver
circuit, aperture width, aperture surface and mounting tab locations. Furthermore, an option of wire or PCB leads allows
electrical interface flexibility.
The device body is an opaque plastic which minimizes sensitivity to both visible and near-infrared external light sources
which may impact operation. Aperture width choices provide different optical resolution for motion sensing. A covered
aperture provides dust protection, while an open aperture provides maximum protection against external light sources.
Phototransistor sensor devices are: OPB360, OPB370, OPB380, OPB390, OPB859, OPB860, OPB870, OPB880, OPB890. The
OPB355 provides a photodiode detector, which has a lower linear output-versus-light.
Wide electrical output current ranges are available. LED emissions are near-infrared (850-940nm).
Custom electrical, wire and cabling services are available.
Contact your local representative or OPTEK for more information. Compliant to EU RoHS Directive 2002/95/EC.
OPB360, OPB370, OPB380, OPB390
OPB859
OPB860, OPB870, OPB880, OPB890
1
3
Non-contact object sensing
Assembly line automation
Machine automation
Equipment safety
Machine safety
OPB355
1
3
2
4
2
4
Wire Colors
Color #
1
2
3
4
RoHS
Description
Red
Black
White
Green
CONTAINS POLYSULFONE
To avoid stress cracking, we suggest using ND Industries’
Vibra-Tite
for thread-locking.
ND
Vibra-Tite Formula 3
evaporates fast without causing structural failure in OPTEK’s molded
plastics.
Applies to: OPB360, OPB370, OPB380, OPB390
and OPB860, OPB870, OPB880, OPB890.
Part Number Guide — OPB355
OPB 3 X X X
Optek Assembly
Phototransistor Output Family
Mounting Configurations:
L - Emitter side mounting tab only
N - No mounting tabs
P - Sensor side mounting tab only
T - Two mounting tabs
Part Number Guide — OPB360 / OPB370
OPB 3 X X X X X
Optek Assembly
Sensor Aperture:
1 - 0.010” (0.254 mm)
5 - 0.050” (1.270 mm)
Emitter Sensor:
1 - 0.010” (0.254 mm)
5 - 0.050” (1.270 mm)
Mounting Configurations:
L - Emitter side mounting tab only
N - No mounting tabs
P - Sensor side mounting tab only
T - Two mounting tabs
Lead Spacer Designator:
0 = 0.320” (8.12 mm) lead space
5 = 0.220” (5.59 mm) lead space
Phototransistor Output Family
Discrete Shell Material:
6 - Covered (apertures not visible), PCB leads
7 - Open (apertures visible), PCB leads
Part Number Guide — OPB380 / OPB390
OPB 3 X 0 X X X Z
Optek Assembly
RoHS Compliant
Sensor Aperture:
1 - 0.010” (0.254 mm)
5 - 0.050” (1.270 mm)
Emitter Sensor:
1 - 0.010” (0.254 mm)
5 - 0.050” (1.270 mm)
Mounting Configurations:
L - Emitter side mounting tab only
N - No mounting tabs
P - Sensor side mounting tab only
T - Two mounting tabs
Phototransistor Output Family
Discrete Shell Material:
8 - Covered (apertures not visible), Wires
9 - Open (apertures visible), Wires
Part Number Guide — OPB859
OPB 8 5 9
Optek Assembly
Phototransistor Output Family
Emitter Aperture:
0.050” (1.270 mm)
Sensor Aperture:
0.050” (1.270 mm)
Mounting Configurations:
T - Two mounting tabs
Part Number Guide — OPB860 / OPB870
OPB 8 X X X X X
Optek Assembly
Sensor Aperture:
1 - 0.010” (0.254 mm)
5 - 0.050” (1.270 mm)
Emitter Sensor:
1 - 0.010” (0.254 mm)
5 - 0.050” (1.270 mm)
Mounting Configurations:
L - Emitter side mounting tab only
N - No mounting tabs
P - Sensor side mounting tab only
T - Two mounting tabs
Phototransistor Output Family
Discrete Shell Material:
6 - Covered (apertures not visible), PCB leads
7 - Open (apertures visible), PCB leads
Electrical Specification Variations:
0 = Electrical Parameter A (lead spacing = 0.320”)
1 = Electrical Parameter B (lead spacing = 0.320”)
2 = Electrical Parameter C (lead spacing = 0.320”)
5 = Electrical Parameter A (lead spacing = 0.220”)
6 = Electrical Parameter B (lead spacing = 0.220”)
7 = Electrical Parameter C (lead spacing = 0.220”)
Note: Assemblies with dual 0.010” apertures are currently
available with electrical parameter “A” only.
Part Number Guide — OPB880 / OPB890
OPB 8 X X X X X Z
Optek Assembly
RoHS Compliant
Sensor Aperture:
1 - 0.010” (0.254 mm)
5 - 0.050” (1.270 mm)
Emitter Sensor:
1 - 0.010” (0.254 mm)
5 - 0.050” (1.270 mm)
Mounting Configurations:
L - Emitter side mounting tab only
N - No mounting tabs
P - Sensor side mounting tab only
T - Two mounting tabs
Phototransistor Output Family
Discrete Shell Material:
8 - Covered (apertures not visible), Wires
9 - Open (apertures visible), Wires
Electrical Specification Variations:
0 = Electrical Parameter A
1 = Electrical Parameter B
2 = Electrical Parameter C
NOTE: Assemblies with dual 0.010” apertures are
currently available with electrical parameter “A” only.
Wires = 26AWG - 24” long. UL approved.
OPB355, OPB360, OPB370
OPB380, OPB390
OPB859
OPB880, OPB890
Pin #
1
2
Emitter
Anode
Cathode
Pin #
3
4
Transistor/Diode
Collector / Anode
Emitter / Cathode
[ MILLIMETERS]
DIMENSIONS ARE IN:
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