www.roithner - laser.com 1 vc 85 0m - h - to46fw v 1. 2 1 5 . 0 5 .201 4 description vc 850 m - h - to46fw is a multi mode infra red vcsel emitting at typically 85 0 nm with rated output power of 8 mw cw, mounted into a standard to - 46 package and sealed with a flat window cap. the vcsel works under low forward current and voltage . maximum ratings parameter symbol values min. max. unit forward current i f 3 0 ma reverse voltage (@ 10a) v f 5 v operating temperature t case 0 + 7 0 c storage temperature t stg - 40 + 100 c lead solder temperature * t sld + 260 c * must be completed within 10 seconds electro - optical characteristics (t case =25c) thermal characteristics parameter symbol values min. typ. max. unit emission wavelength peak 840 85 0 86 0 nm spectral width ? 0.85 nm optical output power p o 8 mw threshold current i th 5 ma operating current i f 2 0 ma operating voltage v f 1.6 1.9 2. 2 v breakdown voltage v b - 10 v slope efficiency 0.2 0. 4 mw/ma dynamic resistance r d 2 5 4 0 parameter symbol values min. typ. max. test conditions unit i th temperature variation i th 2.5 t c =0 to 7 0c ma temperature variation ? / t - 0. 5 t c =0 to 70c,2 0 ma %/c temperature variation ? / t 0.06 t c =0 to 70c,2 0 ma nm/c
www.roithner - laser.com 2 outline dimensions all dimensions in mm electrical connection precautions static electricity: vcsels are sensitive to electrostatic discharge (esd) . precautions against esd must be taken when handling or operating these vcsels. surge voltage or electrostatic discharge can result in complete failure of the device. safety advice: this vcsel emits concentrated infrared lig ht which can be hazardous to the human eye and skin . this diode is classi fied as class 3b laser product accordin g to iec 60825 - 1 and 21 cfr part 1040.10 safety standards . operation: do only operate vcsels with a current source. running these leds from a vo ltage source will r esult in complete failure of the device. current of a led is an exponential function of the voltage across it. usage of current regulated drive circuits is mandatory. ? all rights reserved the above specifications are for reference purpose only and subjected to change without prior notice to46fw to - 46 with flat window lead description pin 1 ld anode pin 2 ld cathode , pd anode pin 3 pd cathode
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