optek technology inc. ? 1645 wallace drive, carrollton, texas 75006 phone: (972) 323-2200 or (800) 341-4747 fax: (972) 3 23-2396 sensors@optekinc .com www. optekinc.com issue a .1 12/06 page 1 of 3 optek reserves the right to make changes at any time in or der to improve design and to s upply the best product possible. reflective object sensor opb702, opb702d, opb702r, opb702rr features: ? focused for maximum sensitivity ? choice of phototransistor, photodarlington or base-emitter resistor ? low cost plastic housing description: the opb702 series consists of an infrared light emitting dio de (led) or red visible light emitting diode (vled) and the choice of a npn silicon phototransistor (opb702), a photodarlington (opb702d) or a base-emitter resistor for low light suppression (opb702r, opb702rr) . on each sensor, the led and the phototransistor, phot odarlington or base-emitter resistor are mounted side-by- side on converging optical axes in a black plastic housing. the opb702 uses type op505 sensor, the opb702d uses an op535 sensor and the opb702r, opr702rr uses an op705 sensor. custom electrical, wire, cabling and connectors are ava ilable. contact your local representative or optek for more information. product photo here applications: ? non-contact reflecti ve object sensor ? assembly line automation ? machine automation ? machine safety ? end of travel sensor ? door sensor ordering information part number led peak wavelength sensor reflection distance inch (mm) lead length / spacing opb702 transistor 0.150" (3.81mm) 0.400" / 0.100" opb702d darlington opb702r transistor and rbe opb702rr 640 nm transistor and rbe 890 nm opb702d reflective surface reflective surface opb702 reflective surface 1 2 4 3 pin # led 1 anode 2 cathode pin # 3 4 led emitter collector rohs 1 2 4 3 1 2 4 3 opb702r opb702rr dimensions are in: inches [ millimeters]
optek technology inc. ? 1645 wallace drive, carrollton, texas 75006 phone: (972) 323-2200 or (800) 341-4747 fax: (972) 3 23-2396 sensors@optekinc .com www. optekinc.com issue a.1 12/06 page 2 of 3 optek reserves the right to make changes at any time in or der to improve design and to s upply the best product possible. reflective object sensor opb702, opb702d, opb702r, opb702rr absolute maximum ratings (t a =25c unless otherwise noted) storage & operating temperature range -40 c to +85 c lead soldering temperature [1/16 inch (1.6mm) from the case for 5 sec. with soldering iron] (2) 260 c input diode peak forward current 50 ma reverse voltage 2 v power dissipation] (1) 100 mw output photosensor collector-emitter voltage opb702, opb702r opb702d, opb702rr 30 v 15 v emitter-collector voltage 5 v power dissipation] (1) 100 mw notes: (1) derate linearly 1.67 mw/c above 25 c. (2) rma flux is recommended. duration can be extended to 10 seconds maximum when flow soldering. (3) d is the distance from the assembly face to the reflective surface. (4) measured using eastman kodak gray card. the white side of th e card is used as a 90% diffuse reflectance surface. referenc e: electrical characteristics (t a = 25 c unless otherwise noted) symbol parameter min typ max units test conditions input diode (see op265 or op165 for infrared led & ovlas6cb8 for red led for additional information) v f forward voltage (infrared led) red (vled) - - 1.7 2.4 v i f = 20 ma i f = 40 ma i r reverse current - - 100 a v r = 2 v output phototransistor (see op505 for phototransistor, op705 for rbe- phototransistor, op 535 for photodarlington) v (br)ceo collector-emitter breakdown voltage opb702 opb702d opb702r, opb702rr 30 15 30 - - - - - - v i c = 100 a, i f = 0, e e = 0 i c = 1 ma, i f = 0, e e = 0 i c = 1 ma, i f = 0, e e = 0 v (br)eco emitter-collector breakdown voltage opb702 opb702d 5 5 - - - - v v i e = 100 a, i f = 0, e e = 0 i e = 100 a, i f = 0, e e = 0 i ceo collector dark current opb702 opb702d opb702r, opb702rr - - - - - - 100 250 100 na na na v ce = 10 v, i f = 0, e e = 0 v ce = 10 v, i f = 0, e e = 0 v ce = 10 v, i f = 0, e e = 0 combined v ce(sat) (3) (4) collector-emitter saturation voltage opb702 opb702d opb702r, opb702rr - - - - - - 0.4 1.1 0.4 v v v i f = 40 ma, i c = 250 a, d = .15? (3.81 mm) i f = 40 ma, i c = 400 a, d = .15? (3.81 mm) i f = 40 ma, i c = 250 a, d = .15? (3.81 mm) i c(on) (3)(4) on-state collector current opb702 opb702d opb702r opb702rr 0.1 3.2 0.4 0.2 - - - - 1.0 65.0 6.0 3.5 ma i f = 40 ma, v ce = 5 v, d = .15? (3.81 mm) i eco emitter-reverse current opb702r, opb702rr - - 100 a v ce = 0.4 v, i f = 0, e e = 0
optek technology inc. ? 1645 wallace drive, carrollton, texas 75006 phone: (972) 323-2200 or (800) 341-4747 fax: (972) 3 23-2396 sensors@optekinc .com www. optekinc.com issue a .1 12/06 page 3 of 3 optek reserves the right to make changes at any time in or der to improve design and to s upply the best product possible. reflective object sensor opb702, opb702d, opb702r, opb702rr opb702d - collector current vs distance 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0.00.10.20.30.40.50.6 reflective distance (inches) normalized collector current kodak 90% kodak 19% corporate avery retro reflective normalized at 0.150" kodak 90% opb702 - collector current vs. distance 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0.0 0.1 0.2 0.3 0.4 0.5 0.6 reflective distance (inches) normalized collector current kodak 90% kodak 19% corporate avery retro reflective normalized at 0.150" kodak 90% opb702 - collector current vs led current vs temperature 0.0 0.5 1.0 1.5 2.0 2.5 0 5 10 15 20 25 30 35 40 led current - ma normalized collector current -40 c -20 c 0 c 20 c 40 c 60 c 80 c normalized at led current = 20ma, distance = 0.15" and temp. = 20c opb702d - collector current vs led current vs temperature 0.0 0.5 1.0 1.5 2.0 2.5 0 5 10 15 20 25 30 35 40 forward current (ma) normalized output -40 c -20 c 0 c 20 c 40 c 60 c 80 c normalized at led current = 20ma, distance = 0.15" and temp. = 20c
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