1 l1915 series to-46 type gaalas infrared led infrared led www.hamamatsu.com absolute maximum ratings (ta=25 c) parameter symbol condition value unit forward current i f 100 ma reverse voltage v r 5v pulse forward current i fp pulse width=10 s duty ratio=1% 1.5 a operating temperature topr -30 to +85 c storage temperature tstg -40 to +100 * c * the l1915 is guaranteed to resist temperature cycle test of up to 5 cycles. note: exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. always be sure to use the product within the absolute maximum ratings. applications optical switches optical remote control automatic control systems mark sensors high radiant output power high reliability and long life direct modulation possible features electrical and optical characteristics (ta=25 c) parameter symbol condition l1915 l1915-01 l1915-02 unit min. typ. max. min. typ. max. min. typ. max. peak emission wavelength pi f =50 ma 870 890 920 870 890 920 870 890 920 nm spectral half width ? i f =50 ma -80- -80- -80- nm forward voltage v f i f =50 ma - 1.4 1.5 - 1.4 1.5 - 1.4 1.5 v pulse forward voltage v fp i f =1.5 a - 3.1 3.8 - 3.1 3.8 - 3.1 3.8 v reverse current i r v r =5 v - - 5 - - 5 - - 5 a radiant ux ?e i f =50 ma 8 10 - 3.6 4.5 - 3.6 4.5 - mw radiant illuminance p e i f =50 ma - 1.0 - - 2.7 - - 1.0 - mw/cm 2 rise time tr i f =50 ma, 10 to 90% - 0.45 0.7 - 0.45 0.7 - 0.45 0.7 s fall time tf i f =50 ma, 90 to 10% - 0.45 0.7 - 0.45 0.7 - 0.45 0.7 s the l1915 is mounted on a to-46 metal stem potted with clear epoxy resin. the l1915-01 is encapsulated in a to-46 package sealed with a glass lens window. the l1915-02 is also encapsulated in a to-46 package but sealed with a at glass window.
2 infrared led l1915 series emission spectrum forward current vs. forward voltage radiant flux vs. forward current directivity 1 10 100 1000 10000 1 10 100 1000 forward current (ma) radiant flux (mw) (typ. ta=25 c, tw=100 s, 0.1%) l1915-01/-02 l1915 kledb0117eb kledb0139ec 700 800 900 1000 0 20 40 60 80 100 wavelength (nm) relative radiant output (%) (typ. ta=25 c, i f =50 ma) relative radiant output (%) (typ. ta=25 c) 80% 40% 60% 20 % 20 10 0 10 20 90 80 50 40 30 70 60 90 80 50 40 30 70 60 100 % l1915 l1915-02 l1915-01 kledb0140eb kledb0141ea 1.0 1.5 2.0 2.5 3.5 3.0 1 10 100 10000 1000 forward voltage (v) forward current (ma) (typ. ta=25 c, tw=100 s, 0.1%)
3 infrared led l1915 series allowable forward current vs. duty ratio radiant output vs. ambient temperature allowable forward current vs. ambient temperature -40 -20 0 20 40 60 80 100 0 40 60 80 100 ambient temperature (c) relative allowable forward current (%) 20 kledb0150ea kledb0027ec ambient temperature (c) relative radiant output (db) (typ. i f =50 ma) -40 -20 0 20 40 60 80 100 -5 -4 -2 0 -3 -1 +1 +3 +2 0.01 0.1 1 10 100 10 100 1000 10000 duty ratio (%) allowable forward current (ma) (ta=25 c) pulse width=1 s pulse width=100 s pulse width=10 s kledb0287eb
infrared led l1915 series cat. no. kled1013e04 nov. 2015 dn 4 www.hamamatsu.com hamamatsu photonics k.k., solid state division 1126-1 ichino-cho, higashi-ku, hamamatsu city, 435-8558 japan, telephone: (81) 53-434-3311, fax: (81) 53-434-5184 u.s.a.: hamamatsu corporation: 360 foothill road, bridgewater, n.j. 08807, u.s.a., telephone: (1) 908-231-0960, fax: (1) 908-23 1-1218 germany: hamamatsu photonics deutschland gmbh: arzbergerstr. 10, d-82211 herrsching am ammersee, germany, telephone: (49) 8152-375-0, fax: (49) 8152-265-8 france: hamamatsu photonics france s.a.r.l.: 19, rue du saule trapu, parc du moulin de massy, 91882 massy cedex, france, telephone: 33-(1) 69 53 71 00, fax: 33-(1) 69 53 71 10 united kingdom: hamamatsu photonics uk limited: 2 howard court, 10 tewin road, welwyn garden city, hertfordshire al7 1bw, united kingdom, telephone: (44) 1707-294888, fax: (44) 1707-325777 north europe: hamamatsu photonics norden ab: torshamnsgatan 35 16440 kista, sweden, telephone: (46) 8-509-031-00, fax: (46) 8-5 09-031-01 italy: hamamatsu photonics italia s.r.l.: strada della moia, 1 int. 6, 20020 arese (milano), italy, telephone: (39) 02-93581733 , fax: (39) 02-93581741 china: hamamatsu photonics (china) co., ltd.: b1201, jiaming center, no.27 dongsanhuan beilu, chaoyang district, beijing 100020 , china, telephone: (86) 10-6586-6006, fax: (86) 10-6586-2866 product specifications are subject to change without prior notice due to improvements or other reasons. this document has been carefully prepared and the information contained is believed to be accurate. in rare cases, however, there may be inaccuracies such as text errors. before using these products, always contact us for the delivery specification sheet to check the latest specifications. the product warranty is valid for one year after delivery and is limited to product repair or replacement for defects discovered and reported to us within that one year period. however, even if within the warranty period we accept absolutely no liability for any loss caused by natural d isasters or improper product use. copying or reprinting the contents described in this material in whole or in part is prohibited without our prior permission. information described in this material is current as of november, 2015. dimensional outlines (unit: mm) l1915-01 l1915-02 l1915 related information precautions ? disclaimer ? metal, ceramic, plastic products www.hamamatsu.com/sp/ssd/doc_en.html ? 4.65 0.1 4.5 0.2 6.65 0.2 13.5 ?5.4 0.2 ?2.54 0.2 common to case ?0.45 lead 1.12 0.1 clear epoxy resin ?5.4 0.1 ?4.2 0.1 ?0.45 lead ?2.54 0.2 2.3 0.3 13.5 common to case ?5.4 0.2 ?4.7 0.1 glass window ? 3.0 0.1 3.6 0.2 13.5 ?2.54 0.2 common to case ?0.45 lead kleda0009ed kleda0052eb kleda0053eb
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