5200 st. patrick st., montreal the old railway, princes street que., h4e 4n9, canada ulverston, cumbria, la12 7nq, uk tel: 514-768-8000 tel : 01 229 581 551 fax: 514-768-8889 fax: 01 229 581 554 qf-84 NSL-28 & NSL-28aa optocoupler features compact, moisture resistant package low led current passive resistance output description this optocoupler consists of an led input optically coupled to a photocell. the photocell resistance is high when the led current is ?off? and low resistance when the led current is ?on?. absolute maximum ratings storage temperature -40 to +75 c operating temperature -40 to +75 c soldering temperature (1) 260 c isolation voltage (peak) 2000v note: (1) >2 mm from case for <5 sec. (2) derate linearly to 0 at 75 c (3) the rise time, t r , is the time required for the dark to light change in conductance to reach 63% of its final value. photocell color dot 0.38-0.54 on all leads dimensions in mm. lead spacing tolerance: +/-0.13 cathode short lead ? 7.6 - 8.1 12.7 min. 12.7 min. 2.54 5.5 - 6.0 2.54 + - led + - led photocell circuit schematic electrical characteristics (t a =25 c unless otherwise noted) symbol parameter min typ max units test conditions led i f forward current 40 ma (2) v f forward voltage 2.5 v i f = 16 ma i r reverse current 3.0 m a v r = 4v cell v c maximum cell voltage 100 v (peak ac or dc) p d power dissipation 50 mw (2) coupled r on on resistance: NSL-28 400 w i f = 20 ma NSL-28aa 2.5 k w NSL-28aa 5 k w i f = 1 ma r off off resistance: NSL-28 10 m w 10 sec after i f = 0, 5vdc on cell. NSL-28aa 1 m w t r rise time: NSL-28 5 msec time to 63% of final conductance NSL-28aa 0.5 msec @ i f = 16ma (3) t f decay time NSL-28 80 msec time to 100k w after removal of i f = 16ma NSL-28aa 60 msec cell temp coefficient: NSL-28 0.7 %/ c i f > 5 ma NSL-28aa 1.0 %/ c specifications subject to change without notice 103065 rev 1
|
