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.1 01/07 page 1 of 3 plastic infrared emitting diode OP240 series op245 series OP240 (a, b, c, d) inches [millimeters] dimensions are in: description: each device in this series is a high intensity gallium aluminum arsenide infrar ed emitting diode that is suited for use as a pcboard mounted slotted switch or an easy mount pcboard interrupter. each dome lens OP240 and op245 device is an 890 nm diode that is molded in an ir-transmissive clear epoxy side-looking package. OP240 is mechanically and spectrally matched to the op550 and op560 series of phototransistors. op245 is mechanically and spectrally matched to the op555 and op565 series devices. please refer to application bulletins 208 and 210 for additional design information and reliability (degradation) data. applications: ? space-limited applications ? pcboard mounted slotted switch ? pcboard interrupter rohs features: ? wide irradiance pattern ? side-looking package for space-limited applications ? wavelength matched to silicon?s peak response ? mechanically and spectrally matched to other optek products 2 1 pin # led 1 cathode 2 anode contains polysulfone to avoid stress cracking, we suggest using nd industries? vibra-tite for thread-locking. vibra-tite evaporates fast without causing structural failure in optek's molded plastics. ordering information part number led peak wavelength lens type total beam angle lead length OP240a 890 nm dome 40 0.50" minimum OP240b OP240c OP240d op245a op245b op245c op245d recessed OP240 op245
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.1 01/07 page 2 of 3 plastic infrared emitting diode OP240 series op245 series notes: 1. rma flux is recommended. duration can be extended to 10 seconds maximum when flow soldering. a maximum of 20 grams force may be applied to the leads when soldering. 2. derate linearly 1.33 mw/ c above 25 c. 3. e e(apt) is a measurement of the average apertured radiant energy incident upon a sensing area 0.180? (4.57 mm) in diameter perpendicular to and centered on the mechanical axis of the lens and 0.653? (6.60 mm) from the lens tip. e e(apt) is not necessarily uniform within the measured area. contains polysulfone to avoid stress cracking, we suggest using nd industries? vibra-tite for thread-locking. vibra-tite evaporates fast without causing structural failure in optek's molded plastics. op245 (a, b, c, d) 2 1 pin # led 1 cathode 2 anode inches [millimeters] dimensions are in: electrical characteristics (t a = 25 c unless otherwise noted) symbol parameter min typ max units test conditions input diode e e (apt) apertured radiant incidence OP240a, op245a OP240b, op245b OP240c, op245c OP240d, op245d 0.60 0.40 0.20 0.05 - - - - - 1.20 0.86 - mw/cm 2 i f = 20 ma (3) v f forward voltage - - 1.80 v i f = 20 ma i r reverse current - - 100 a v r = 2.0 v p wavelength at peak emission - 890 - nm i f = 10 ma b spectral bandwidth between half power points - 80 - nm i f = 10 ma ? p / ? t spectral shift with temperature - 0.18 - nm/c i f = constant hp emission angle at half power points - 40 - degree i f = 20 ma t r output rise time - 500 - ns t f output fall time - 250 - ns i f(pk) =100 ma, pw=10 s, and d.c.=10.0% absolute maximum ratings (t a =25c unless otherwise noted) storage and operating te mperature range -40 o c to +100 o c reverse voltage 2.0 v continuous forward current 50 ma peak forward current 3.0 a lead soldering temperature [1/16 inch (1.6 mm) from case for 5 seconds with soldering iron] 260 c (1) power dissipation 100 mw (2)
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.1 01/07 page 3 of 3 plastic infrared emitting diode OP240 series op245 series OP240, op245 (a, b, c, d) forward voltage vs forward current vs temperature 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 0 5 10 15 20 25 30 35 40 45 forward current (ma) typical forward voltage (v) -65c -40c -20c +0c +20c +40c +60c +80c +100c +125c optical power vs i f vs temp 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 5 10 15 20 25 30 35 40 45 50 forward current i f (ma) normalized optical power -65c -40c -20c +0c +20c +40c +60c +80c +100c +125c normalized at 20 ma and 20 o c distance vs output power vs forward current 0 1 2 3 4 5 6 7 8 9 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 distance (inches) normalized output power 10 ma 20 ma 30 ma 40 ma 50 ma 60 ma 80 ma 100 ma normalized at 0.6" and 50 ma forward current beam angle 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 110% -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 degrees normalized radiance
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