optek reserves the right to make changes at any time in or der to improve design and to s upply the best product possible. 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.5 10/08 page 1 of 2 fiber optic isolator?phototransistor sensor opi1280 series features: ? opaque plastic housings ? high noise immunity ? visible red led with phototranisitor output ? 0.05? (1.27 mm) lead spacing ? data transfer through plastic fiber optic cable ? isolation voltage 15 kv (opi1280-032), longer versions higher rohs description: each opi1280 consists of a visible red led and a phototransisto r sensor, which are housed in separate opaque molded plastic housings and coupled by plastic fiber optic cable. th e heavy-duty opaque housing shields the optical signal from dust, making this series of devices idea l for dust contaminated environments. the opi1280 series are designed for applications that requir e high voltage isolation between input and output or signal communication over short distances. depending on the length of the fiber optic cable, the emitter does not have to be opticall y in-line with the sensor. the isolation vo ltage is greater than 10 k volts per inch (isolation distance between components) for all versions of the opi1280 . custom electrical, wire and cabling and connectors are availa ble. contact your local repr esentative or optek for more information. applications: ? requiring high voltage isolation between input and output ? electrical isolation in dirty environments ? industrial equipment ? medical equipment 1 4 2 3 pin # led pin # transistor 3 cathode 1 collector 4 anode 2 emitter ordering information part number led peak wavelength lead length OPI1280-018 645 nm opi1280-026 opi1280-032 0.45? [11.4 mm] device length 1.26? [32.0 mm] 1.57? [40.0 mm] 1.80? [45.8 mm] isolation distance 0.71? [18 mm] 1.02? [26 mm] 1.26? [32 mm] opi1280-040 1.57? [40 mm] 2.12? [53.8 mm] opi1280-066 2.60? [66 mm] 3.15? [80.0 mm] opi1280-080 3.15? [80 mm] 3.69? [93.8 mm]
optek reserves the right to make changes at any time in or der to improve design and to s upply the best product possible. 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.5 10/08 page 2 of 2 fiber optic isolator?phototransistor sensor opi1280 series absolute maximum ratings (t a =25c unless otherwise noted) storage temperature range (note 4) -40 o c to +80 o c operating temperature range (note 4) -20 c to +75 c power dissipation (2) 100 mw lead soldering temperature [1/16 inch (1.6 mm) from case for 5 seconds with soldering iron] 260 c (1) electrical characteristics (t a = 25c unless otherwise noted) symbol parameter min typ max units test conditions led (see ovlgs0c8b9 for additional electrical information) v f forward voltage 1.2 - 2.3 v i f = 20 ma sensor?phototransistor (see op550 for additional information) i ceo collector dark current - - 50 na v ce = 10 v, e e = 0 v (br)ceo collector-emitter breakdown voltage 33 - - v i c = 100 a, e e = 0 v (br)eco emitter-collector breakdown voltage 5.5 - - v i e = 100 a, e e = 0 coupled i c(on) collector on current 0.36 - - ma v ce = 5 v, i f = 10 ma i iso (3) leakage current - - 1.0 a i @ 7 kv rms, 25 c, test duration = 2 sec. output current vs forward current vs temperature 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 5 10 15 20 25 30 35 40 forward current ( ma) normalized output current -40c -20c 0c 20c 40c 60c 80c 100c normalized i f = 10ma, vce = 5v, ta = 20c notes: 1. rma flux is recommended. duration can be extended to 10 sec onds maximum when flow soldering. a maximum 20 grams force may be applied to the leads when soldering. 2. derate linearly 1.33 mw/ c above 25 c. 3. isolation voltage testing is required. 4. storage and operating temperature values are based on the plasti c optical interface temperature ratings. please reference u l1577 and ul file avlvz.e89328
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