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 .3 05/09
Page 3 of 6
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Reflective Object Sensor
OPB708, OPB709
OPB740 Series, OPB740WZ Series
Absolute Maximum Ratings (TA=25°C unless otherwi se noted)
Operating and Storage T emperature Range
OPB708, OP709, OPB740, OPB741, OPB742, OPB743, OPB744, OPB745
OPB741WZ, OPB742WZ, OPB743WZ , OPB744WZ, OPB745WZOPB746WZ, OPB747WZ,
OPB748WZ
-40° C to +85° C
-40° C to +80° C
Lead Soldering Temperature [1/16 inch (1.6mm) from the case for 5 sec. with soldering iron](1) 260°C
Input Diode (see OP165 (935 nm), OP265 (890 nm) or OVLAS6CB8 (645 nm) for additional informatio n)
Forward DC Current 40 mA
Reverse DC Voltage 2 V
Power Dissipation(2) 100 mW
Sensor Output (See OP505 (Transistor), OP705 (RBE Transistor) or OP535 (Darlington) for additional Information
Collector-Emitter Voltage
OPB708
OPB709
OPB740, OPB741, OPB742, OPB743, OPB744
OPB740WZ, OPB741WZ, OPB742WZ, OPB743WZ, OPB744WZ OPB748WZ
OPB745
OPB745WZ
OPB746WZ, OPB747WZ
30 V
15 V
30 V
30 V
15 V
15 V
24 V
Emitter-Collector Voltage
OPB708 through OPB745, OPB748
OPB746 through OPB747
5.0 V
0.4 V
Power Dissipation(2) 100 mW
Notes:
1. RMA flux is recommended. Duration can be extended to 10 seconds maximum when flow soldering.
2. Derate linearly 1.33 mW° C above 25° C.
Electrical Characteristics (TA = 25°C unless otherwise noted)
SYMBOL PARAMETER MIN TYP MAX UNITS TEST CONDITIONS
890 nm LED (See OP265 for additional information — for reference only)
VF Forward Voltage - - 1.8 V IF = 40 mA
IR Reverse Current - - 100 µA VR = 2 V
VF Forward Voltage - - 1.7 V IF = 40 mA
IR Reverse Current - - 100 µA VR = 2 V
935 nm LED (See OP165 for additional information — for reference only)
645 nm LED (See OVLAS6CB8 for generic i nformatio n — for reference only)
VF
IR
Forward Voltage - - 2.6 V IF = 20 mA
Reverse Current - - 100 µA VR = 2 V