www.roithner - laser.com 1 s 85 300 mg description s 85 30 0mg is a n infrared laser diode emitting at typically 85 0 nm with rated output power of 300 mw cw , in a standard 5.6 mm to package with integrated monitor photodiode and flat window cap . maximum ratings (t case = 25c ) parameter symbol values unit min. max. output power po 300 mw ld reverse voltage v r 2 v pd reverse voltage v rpd 30 v operating temperature t case - 10 + 50 c storage temperature t stg - 40 + 85 c laser characteristics (t case = 25c , po= 300 mw ) parameter symbol values unit min. typ. max. emission wavelength peak 84 0 85 0 86 0 nm th reshold current i th 115 130 ma operating current i f 435 470 ma operating voltage v f 1.85 2.0 v beam divergence (fwhm) parallel ? ii 12 17 deg perpendicular ? 18 23 d eg. slope efficiency (225mw C 75mw) 0.9 5 mw/ma pd monitor current i m 0. 1 0. 6 - ma rev. 1 . 0 17 .03 .201 5
www.roithner - laser.com 2 performance characteristic s optical output power vs forward current forward voltage vs. forward current peak wavelength vs. case temperature
www.roithner - laser.com 3 far - field pattern monitor current vs. optical output power slope efficiency vs. case temperature
www.roithner - laser.com 4 threshold current vs. case temperature drawing all dimensions in mm electrical connection lead description pin 1 pd a node pin 2 ld cathode pin 3 ld anode, pd cathode, ground
www.roithner - laser.com 5 esd caution always do handle laser diodes with extreme c aution to prevent electrostatic discharge, the primary cause of unexpected diode failure. esd failures can be prevented by always wearing wrist straps, only using a grounding workplace, and following strict anti - static guidelines when handling the laser diode safety advice this laser diode emits highly concentrated ir light which can be hazardous to the human eye and skin . this diode is classified as class 3 laser product according to iec 60825 -1 and 21 cfr part 1040.10 safety standards . operating considerations operating the laser diode outside of its maximum ratings may cause failure or a safety hazard. the diode may be damaged by excessive drive currents or switching transients. if the diode is operated using a power supply, it is strongly recommended to connect the diode with the output voltage set to zero. the voltage should then be increased slowly and with great caution, while at the same time carefully monitoring the laser diodes output power and drive current. the laser diode will show accelerated degradation with increased temperature, and it is advised to keep the case temperature low therefor , by means of heat sinking the device. ? all rights reserved the above specifications are for reference purpose only and subjected to change without prior notice
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