The OPB920 series opcal switch consists of an infrared eming diode (LED) and a photologic sensor . The LED is mounted
on the tower with the photologic sensor mounted on the base of a right angle shape package . The L-Shape or right angle
package conguraon allows for an opaque object to block the light beam from a multude of direcons including the X-
axis Y-axis and Z-axis. The opcal center line between the emier and photosensor is at 45° from the mounng base of the
device.
The OPB920 Series provides opmum exibility for the design engineer. The engineer can specify the type of TTL output.
For example the output can be: TTL totem pole, TTL open collector, either of which can be buered or inverted output.
All versions have the added stability of hysteresis built into the circuitry.
Custom electrical, wire and cabling and connectors are available. Contact your local representave or OPTEK for more
informaon.
Non-contact interrupve object sensing
Tray-out sensor
Amusement gaming equipment
Low paper tray sensor
Paper sorng equipment
Corner sensor
Printers
Copying machines
Door sensor
Opcal Switch
Non-contact switching
Right Angle Sensor: LED in tower, photosensor in base
Choice of output conguraon
Opcal line can be broken in three axis
24” minimum, 26 AWG UL approved wire leads
All versions with 26 AWG wire terminaon (24” [61cm] long)
Part Number Guide — OPB920xZ Series
OPB920 _ Z
A = Totem Pole
B = Open Collector
C = Inverted Totem Pole
D = Inverted Open Collector
RoHS
Storage Temperature -40° C to +85° C
Operang Temperature -40° C to +70° C
Lead Soldering Temperature (1/16” (1.6 mm) from case for 5 seconds with soldering iron)(1) 260° C
DC Forward Diode (LED) Current 40 mA
DC Reverse Diode (LED) Voltage 2 V
Input Diode Power Dissipaon(1) 100 mW
Supply Voltage, VCC (not to exceed 3 seconds) 18V
Voltage at Output Lead (Open Collector Output version) 35 V
Output Photologic® Power Dissipaon(2) 200 mW
Total Device Power Dissipaon(3) 300 mW
Pin name Wire Color
Anode Red
Cathode/Ground Green
Vout Blue
Vcc White
Notes:
(1) Derate linearly 2.22 mW/°C above 25°C
(2) Derate linearly 4.44 mW/°C above 25°C
(3) Derate linearly 6.66 mW/°C above 25°C
(4) RMA ux is recommended. Duraon can be extended to 10 seconds maximum when ow soldering.
(5) Methanol or isopropanol are recommended as cleaning agents. The plasc housing is soluble in chlorinated hydrocarbons and keytones.
VF Forward Voltage - - 1.7 V IF = 20 mA, TA = 25° C
IR Reverse Current - - 100 µA VR = 2 V, TA = 25° C
VCC Operang D.C. Supply Voltage 4.5 - 16 V
ICCL
Low Level Supply Current:
Buered Totem-Pole Output
Buered Open-Collector Output
- - 15 mA VCC = 16.0 V, IF = 0 mA(1)
Inverted Totem-Pole Output
Inverted Open-Collector Output - - 15 mA VCC = 16.0 V, IF = 20 mA
ICCH
High Level Supply Current:
Buered Totem-Pole Output
Buered Open-Collector Output
- - 15 mA VCC = 16.0 V, IF = 20 mA
Inverted Totem-Pole Output
Inverted Open-Collector Output - - 15 mA VCC = 16.0 V, IF = 0 mA(1)
VOL
Low Level Supply Current:
Buered Totem-Pole Output
Buered Open-Collector Output
- - 0.4 V VCC = 4.5 V, IOL = 16 mA, IF = 0 mA(1)
Inverted Totem-Pole Output
Inverted Open-Collector Output - - 0.4 V VCC = 4.5 V, IOL = 16 mA , IF = 20 mA
VOH
High Level Output Voltage:
Buered Totem-Pole Output 2.4 - - V VCC = 4.5 V, IOH = -800 µA, IF = 20 mA
Inverted Totem-Pole Output 2.4 - - V VCC = 4.5 V, IOH = -800 µA, IF = 0 mA(1)
IOH
High Level Output Current:
Buered Open-Collector Output - - 100 µA VCC = 4.5 V, VOH = 30 V, TA = 25° C
Inverted Open-Collector Output - - 100 µA VCC = 4.5 V, VOH = 30 V, TA = 25° C
IF(+) LED Posive-Going Threshold Current - - 20 mA VCC = 5 V, TA = 25° C
IF(+)/IF(-) Hysteresis - 2 - - VCC = 5 V
tr, tf Output Rise Time, Output Fall Time (2) - 70 - ns VCC = 5 V, TA = 25° C
IF = 0 or 20 mA
RL = 8 TTL Loads (Totem-Pole)
RL = 360 Ω (Open-Collector)
tPLH, tPHL Propagaon Delay Low-High and High-Low (2) - 5 - µs
Notes:
(1) Normal applicaon would be with light source blocked, simulated by IF = 0 mA.
(2) By design not tested.
Typical Output Voltage Vs Blocking Distance
(Z-Axis Blocked)
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0.000 0.020 0.040 0.060 0.080 0.100 0.120 0.140 0.160 0.180 0.200 0.220 0.240 0.260
Blocking Distance - Inches
Normalized Voltage Output - %
VCE = 5 V DC
IF = 20mA DC
Typical Voltage Output Vs Blocking Distance
(Y-Axis Blocked)
0%
10 %
20%
30%
40%
50 %
60%
70 %
80%
90%
10 0 %
0 .0 0 0 0 .0 50 0 . 10 0 0 .150 0 . 2 0 0 0 . 2 50 0 .3 0 0 0 .3 50 0 .4 0 0 0 .4 50 0 .50 0 0 .550 0 .6 0 0
Blocking Distance - Inches
V C E = 5 V D C
IF = 2 0 mA D C
F l ag at 0 .4 "
F l ag at 0 .2 "
F l ag at 0 .0 "
Typical Voltage Output Vs Blocking Distance
(X-Axis Blocked)
0%
10 %
20%
30%
40%
50 %
60%
70 %
80%
90%
10 0 %
0.000 0.050 0.100 0.150 0.200 0.250 0.300 0.350 0.400 0.450 0.500 0.550 0.600 0.650 0.700 0.750 0.800
B lo cking D ist ance - Inches
Normalized Voltage Output - %
V C E = 5 V D C
IF = 2 0 mA D C
F l ag at 0 .3 0 "
F l ag at 0 .15"
F l ag at 0 .0 0 "
Typical Output Voltage Vs Am bient Temperature
0
2
4
6
8
10
12
14
16
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
TA - Am bient Tem perature - °C
Typical Output Voltage - V
V cc = 16 V o lt s
IF = 2 0 mA
OPB 9 2 0 B Z and OPB 9 2 0 D Z
wit h 5k o hm p ull- up r esist o r .
OPB 9 2 0 A Z and OPB 9 2 0 C Z
Out p ut unlo ad ed .
VOH
VOL
Norm alized Positive Going Trigger Current and Hysteresis Vs Am bient
Tem perature
0
0.2
0.4
0.6
0.8
1
1.2
1.4
-40 -20 0 20 40 60 80
TA - Am bient Tem perature (°C)
Normalized Positive
Going Trigger Current
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
1.60
1.80
Hysteresis Ratio
IF (+)
IF(+) / IF(-)
IF(+) Norm alized to Ta = 20°C
Norm alized Suppy Current Vs Am bient Tem perature
0
0.2
0.4
0.6
0.8
1
1.2
1.4
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
TA - Am bient Tem perature (°C)
Normalized Supply Current
ICCL (mA)
ICCH (m A)
Mouser Electronics
Authorized Distributor
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