isocom components ltd unit 25b, park view road west, park view industrial estate, brenda road hartlepool, cleveland, ts25 1yd tel: (01429) 863609 fax :(01429) 863581 7/12/00 db92236-aas/a2 narrow beam angle side looking infrared emitting diode IS656A dimensions in mm absolute maximum ratings (25c unless otherwise specified) storage temperature -40c to + 85c operating temperature -25c to + 85c lead soldering temperature (1/16 inch (1.6mm) from case for 10 secs) 260c forward current 50ma peak forward current 1a ( note 2 ) reverse voltage 6v power dissipation 75mw description the IS656A is a gallium arsenide infrared emitting diode mounted in a lateral side looking package. it can be used in conjunction with our series of schmitt trigger detectors - is657a, is657b, is657c, is657d features l side looking package. l high output, radiant intensity :- i e = 0.5mw min. at i f = 20ma l narrow beam angle :- typically 13 l all electrical parameters are 100% tested applications l smoke detectors l floppy disk drives l infrared applied systems l vcrs, video camera l optoelectronic switches 2 1 4.0 1.5 4.0 17.5 1.05 0.6 0.45 2.54 4 4 r0.9 1.52 0.48 8 8 3.0 0.8 0.45 2.5 16.5 1 2 2. anode 1. cathode isocom inc 1024 s. greenville ave, suite 240, allen, tx 75002 usa tel: (214) 495-0755 fax: (214) 495-0901 e-mail info@isocom.com http://www.isocom.com
db92236-aas/a2 7/12/00 parameter min typ max units test condition forward voltage (v f ) 1.2 1.4 v i f = 20ma peak forward voltage (v fm ) 3 4 v i fm = 0.5a ( note 2 ) reverse current (i r ) 10 m a v r = 3v radiant flux (i e ) 0.5 2.0 mw i f = 20ma peak emission wavelength 950 nm i f = 5ma spectrum radiation bandwidth 45 nm i f = 5ma beam emission angle 13 deg. electrical characteristics ( t a = 25c unless otherwise noted ) note 1 special selections are available on request. please consult the factory. note 2 pulse width equal to or less than 100 m s, duty ratio = 0.01
db92236-aas/a2 7/12/00 0.1 0.5 2 forward current i f (ma) 1 2 5 10 20 50 100 1 2 5 10 20 50 100 distance to detector d (mm) relative radiant flux relative radiant flux vs. distance 0.01 0.05 0.1 0.2 0.5 1.0 radiant flux vs. forward current radiant flux i e (mw) ambient temperature t a ( c ) forward current vs. ambient temperature forward current i f (ma) -25 0 25 50 75 100 125 10 -2 2 5 10 -1 2 5 10 0 duty ratio 50 10 500 peak forward current i fm (ma) peak forward current vs. duty ratio 20 1000 0 0.5 wavelength (nm) 840 940 1040 -25 0 25 50 75 100 ambient temperature t a ( c ) relative radiant flux relative radiant flux vs. ambient temperature 0.1 0.2 0.5 1 2 5 spectral distribution relative radiant intensity 5 10 1.0 1 10 10 30 0 40 20 50 60 0.02 0.2 200 100 pulse width equal to or less than 100 m s t a = 25c
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