roithner lasertechnik schoenbrunner st rasse 7, 1040 vienna, austria tel: +43 -1- 586 52 43-0 fax: +43 -1- 586 52 43-44 office@roithner-laser.com www.roithner-laser.com REM-870-4M technical data infrared high power led wavelength: typ. 870 nm optical power: typ. 45 mw at 300 ma package: m3 x 0.5 thread package absolute maximum ratings (tc = 25c) characteristic symbol rating unit dc forward current i f 350 ma pulse forward current *) i fp 1.5 a allowable reverse current i r 50 a power dissipation p d 700 mw operating temperature t op -60 .. +75 c storage temperature t stg -60 .. +95 c *) pulse width 10 s, duty cycle 0.1 optical-electrical characteristics (tc = 25c) characteristic symbol test condition min typ max unit dc forward voltage v f i f = 300 ma 2.2 2.3 2.5 v dc reverse current i r v r = 5 v 50 a optical output power p o i f = 300 ma 33 45 - mw peak wavelength p i f = 300 ma 850 870 890 nm spectrum half width fwhm ? i f = 300 ma - 30 - nm viewing angle fwhm 2 1/2 i f = 300 ma 4 rise time t r i f = 300 ma 30 ns fall time t f i f = 300 ma 30 ns thermal resistance r t - 50 k/w anode cathode n.c.
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