
Photologic
Slotted Optical Switch
OPB120A, OPB120B, OPB121A, OPB121B
OPB122A, OPB122B, OPB123A, OPB123B
OPTEK Technology Inc. —
1645 Wallace Drive, Carrollton, Texas 75006
FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com
Phone: (972) 323-2200 or (800) 341-4747
Issue A.1 02/06
Page 2 of 5
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Absolute Maximum Ratings
(T
A
= 25
°
C unless otherwise noted)
Supply Voltage (not to exceed 3 seconds)
10 V
Storage Temperature
-40° C to +85° C
Operating 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
Input Infrared Diode
Input Diode Power Dissipation
(2)
100 mW
Output Photologic Power Dissipation
(4)
200 mW
Total Device Power Dissipation
(5)
300 mW
Output Photologic
Voltage at Output Lead (Open Collector Output - OPB121, OPB122, OPB123)
35 V
Forward D.C. Current
40 mA
Reverse D.C. Current
2 V
Notes:
(1) RMA flux is recommended. Duration can be extended to 10 seconds maximum when flow soldering.
(2) Derate linearly 2.22 mW/°C above 25°C
(3) Normal application would be with light source blocked, simulated by I
F
= 0.
(4) Derate linearly 4.44 mW/°C above 25°C
(5) Derate linearly 6.66 mW/°C above 25°C
(6) Applies to Totem Pole configurations (OPB120A, OPB120B) only.
(7) All parameters tested using pulse technique.
V
CC
OUT
OPB120 Buffered Totem-Pole
OPB121 Buffered Open-Collector
GND
V
CC
OUT
GND
V
CC
OUT
GND
V
CC
OUT
GND
OPB122 Inverted Totem-Pole
OPB123 Inverted Open-Collector