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| NSL-28 & NSL-28AA Optocoupler Features * * * Compact, moisture resistant package Low LED current Passive resistance output 12.7 min. 12.7 min. Photocell LED 2.54 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 Operating Temperature Soldering Temperature (1) Isolation Voltage (peak) Note: -40 to +75C -40 to +75C 260C 2000V Dimensions in mm. Lead spacing tolerance: +/-0.13 + - 2.54 7.6 - 8.1 0.38-0.54 on all leads Color dot Cathode short lead 5.5 - 6.0 (1) >2 mm from case for <5 sec. (2) Derate linearly to 0 at 75C (3) The Rise Time, TR, is the time required for the dark to light change in conductance to reach 63% of its final value. Photocell + LED Circuit Schematic Electrical Characteristics (TA=25C unless otherwise noted) Symbol Parameter Min Typ Max Units LED IF Forward Current 40 mA VF Forward Voltage 2.5 V IR Reverse Current 3.0 A Cell VC Maximum Cell Voltage 100 V PD Power Dissipation 50 mW Coupled RON On Resistance: NSL-28 400 NSL-28AA 2.5 K NSL-28AA 5 K ROFF Off Resistance: NSL-28 10 M NSL-28AA 1 M TR Rise Time: NSL-28 5 msec NSL-28AA 0.5 msec TF Decay Time NSL-28 80 msec NSL-28AA 60 msec Cell Temp Coefficient: NSL-28 0.7 %/C NSL-28AA 1.0 %/C Specifications subject to change without notice 5200 St. Patrick St., Montreal Que., H4E 4N9, Canada Tel: 514-768-8000 Fax: 514-768-8889 QF-84 Test Conditions (2) IF = 16 mA VR = 4V (Peak AC or DC) (2) IF = 20 mA IF = 1 mA 10 sec after IF = 0, 5Vdc on cell. Time to 63% of final conductance @ IF = 16mA (3) Time to 100K after removal of IF = 16mA IF > 5 mA 103065 REV 1 The Old Railway, Princes Street Ulverston, Cumbria, LA12 7NQ, UK Tel: 01 229 581 551 Fax: 01 229 581 554 |
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