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 .2 04/08 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. optically coupled isolator opi120, OPI123 applications: ? high voltage isolation between input and output ? electrical isolation in dirty environments ? industrial equipment ? medical equipment ? office equipment description: each optoisolator in this data sheet contains an infrared light emitting diode (led) and a npn silicon photosensor. the opi120 has an 890 nm light emitting diode (led) and npn phototransistor sensor, whereas the op123 has a 890 nm led and a photodarlington sensor. the devices are sealed in a precast opaque housing with a optically transmissive path bet ween the led and the photosensor. the optoisolators in this data sheet are ul approved under e 58730. this series is designed for transmission of information between one power supply voltage to another where the potentials during surge conditions are not gr eater than the guaranteed isolation voltage. custom electrical, wire and cabling and connectors are ava ilable. contact your local representative or optek for more information. tx and txv processing is available. for more inform ation, contact your local representative or optek. features: ? 15 kv electrical isolation ? choice of phototransistor or photodarington output ? hermetically sealed led and photosensor ? base contact for conventional transistor biasing (op120 only) ? ul recognized file no. e58730 * ? wide operating temperature range product photo here rohs ordering information part number led peak wavelength sensor isolation voltage (,000) ctr min i f (ma) typ / max v ce (volts) max lead length / spacing opi120 890 nm or 935 nm transistor 15 20 10 / 50 25 OPI123 darlington 50 20 0.40" / 0.75"
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 .2 04/08 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. optically coupled isolator opi120, OPI123 opi120 4 - base 1 5 2 3 1 5 2 3 OPI123 absolute maximum ratings ( t a = 25 o c unless otherwise noted) storage temperature -55 c to +125 c operating temperature -55 c to +100 c input-to-output isolation voltage (1)(2) 15 kvdc lead soldering temperature (1/16? (1.6 mm) from case for 5 seconds with soldering iron) (3) 260 c input diode forward dc current (4) 150 ma reverse dc voltage 3 v power dissipation (5) 200 mw output photosensor collector-emitter voltage opi120 OPI123 25 v 20 v power dissipation (6) 250 mw collector-base voltage opi120 25 v emitter-collector voltage 5 v notes: (1) measured with input and output leads shorted in air with a ma ximum relative humidity of 50%. if suitably encapsulated or o il- immersed, the isolation voltage is increased to 25 kv minimum. (2) ul recognition is for 3750 vac to 100 c. (3) rma flux is recommended. the duration can be ex tended to 10 seconds maximum when flow soldering. (4) derate linearly 2.0 ma/c above 25c. (5) derate linearly 2.67 ma/c above 25c. (6) derate linearly 3.33 ma/c above 25c. pin # led pin # transistor pin # darlington 1 anode 3 emitter 3 emitter 2 cathode 4 base 4 open 5 collector 5 collector inches [millimeters] dimensions are in: 4?not connected
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 .2 04/08 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. optically coupled isolator opi120, OPI123 electrical characteristics ( -40 o c to +85 c unless otherwise noted) symbol parameter min typ max units test conditions input diode v f forward voltage opi120 OPI123 - - - - 1.5 1.5 v i f = 30 ma i f = 10 ma i r reverse current - - 100 a v r = 3 v output photosensor (see op236 for additional information - for reference only) v (br)ceo collector-emitter breakdown voltage opi120 OPI123 25 20 - - - - v i c = 1 ma i c = 1 ma v (br)eco emitter-collector breakdown voltage 5 - - v i e = 100 a i ceo collector-emitter dark current - - 100 na v ce = 10 v coupled (see op804 and op805 for additional information - for reference only) i c/ i f dc current transfer ratio opi120 OPI123 20 50 70 - - - % i f = 10 ma, v ce = 5 v i f = 10 ma, v ce = 2 v v ce(sat) collector saturation voltage opi120 OPI123 - - - - 0.5 1.2 v i f = 30 ma, i c = 1 ma i f = 5 ma, i c = 1 ma v iso isolation voltage (1) 15 - - kv see note 1 t r , t f output rise time, output fall time opi120 OPI123 - - 2 40 - - s see test circuit v (br)cbo collector-base breakdown voltage opi120 25 - - v i c = 1 ma i c(on) on collector current opi120 op123 2.0 5.0 - - 50 - ma i f = 10 ma, v ce = 5 v i f = 10 ma, v ce = 2 v i cb(on) on collector base current?opi120 15 - - a i f = 30 ma, v cb = 5 v notes: (1) measured with input and output leads shorted in air with a maximum relative humidity of 50%. if suitably encapsulated or oil-immersed, the is olation voltage is increased to 25 kv minimum. vcc vout vcc r = 200 ohms r = 50 ohms i = 10 ma ff i = 10 ma r = 50 ohms r = 200 ohms vcc vout vcc opi120 test circuit OPI123
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