<div>Hey everyone,</div> <div> </div> <div>I'd like your opinion about the possibility of using a SFH 495 IR diode.</div> <div><A href="http://pdf1.alldatasheet.com/datasheet-pdf/view/45680/SIEMENS/SFH495P.html">http://pdf1.alldatasheet.com/datasheet-pdf/view/45680/SIEMENS/SFH495P.html</A></div> <div> </div> <div>It has a rise time of 7ns and a half angle of 30 degrees at 2.1 volts.</div> <div> </div> <div>Please let me know if this may be used as an alternate to HSDL-4230.</div> <div> </div> <div>Thanks</div> <div> </div> <div> </div> <div>Saad</div> <div> </div> <div> </div> <div>P.S.</div> <div> </div> <div>I found some shopkeepers here selling used 74hc133s... </div> <div>Any idea from where they might have extracted those? And would they still be reliable to work with?</div><p> 
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