04.08.2010 RLT878-5MG.doc 1 of 1 RLT878-5MG laser diode technical data absolute maximum ratings ( tc=25 o c ) features ? index guided mqw structure ? wavelength : 878 nm (typ.) ? optical power : 5 mw cw ? threshold current : 25 ma ( typ. ) ? package style : to-18 (5.6 mm?) optical and electrical characteristics ( tc=25 o c ) description symbol min. typical max. test condition lasing wavelength (nm) p 870 878 890 p o =5mw threshold current (ma) i th 20 25 45 p o =5mw operating current (ma) i op 15 25 35 p o =5mw operating voltage (v) v op 1.8 2.0 2.5 p o =5mw monitor current (ma) i m 0.1 0.35 0.55 p o =5mw, v r =5v slope efficiency (mw/ma) 0.5 0.7 0.9 *** beam divergence ?? ( ) ?? 8 10 12 p o =5mw beam divergence ( ) ? 25 30 40 p o =5mw astigmatism ( m) a s * 11 * p o =5mw, na=0.4 description symbol rated value optical power (mw) p o 5 operation temperature ( o c) t op -10 to +50 storage temperature ( o c) t stg -40 to +85 ld reverse voltage (v) v ldr 2 pd reverse voltage (v) v pdr 30
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