??? wej eceltronic co., ltd smd 1 ? sample approval sheet ? (product type): smd ? (product name): 0805blue ? (p art no.): we jt81bc-d76 ? (sample no.): ( acknoledgement numbers): ?? signatures ? (approved) (checked) ? (drawn) ? customer ?( corporation): ? (material no.): (part no.): ??? customer signatures ??? 21 factory add:21st bld yulv 6th industrial park,gen yu road gongming new district,shenzhen, guang dong china (tel) 0755- 29785600 29785800 (fax) 0755 -29785100 ? (contact person): ? (web site) www.wej.cn (mail) sale@yongerjia.com wej electronic co.,ltd
features package dimensions high intensity reliable and rugged low current requirement ic compatible description the blue lamps are made with ingan/sapphire chip and water clear epoxy resin notes: 1. all dime nsions in mm tolerance is 0.2 5 mm unless otherwise noted. 2.all dimensions are in mm 2 ??? wej eceltronic co., ltd smd wej electronic co.,ltd
absolute maximum ratings(ta=25 ) parameter s y mbol rating unit power dissipation pd 120 mw forward current (dc) if 30 ma peak forward current (pulse width 0.1msec duty 1/10) ifp 100 ma rever se voltage vr 5.0 v electro - static - discharge esd 200 v operation temperature range topr - 25to+85 storage temperature range tstg - 40to+100 lead soldering temperature(1.6mm from body) for 5 seconds 260 typical electrical and optical characteristics(ta=25 ) parameter s y mbol condition min. typ. max. unit luminous intensity iv if=20ma 55 100 mcd forward voltage vf if=20ma 3.2 4.0 v peak wavelength p if=20ma 4 70 dominant wavelength d if=20ma 468 rever se current ir vr=5v 50 ua viewing angle 2 1/2 if=20ma 120 deg spectrum line half width ? if=20ma 26 nm selection guide part no. ??? em itted color ? re sin color ? vie wing angle(1) ?? 21/2 WEJT81BC-D76 w c 1 2 0 notes: 1. 1/2 is the angle from optical centerline where the luminous intensity is 1/2 of the optical peak value. ? ??? wej eceltronic co., ltd smd wej electronic co.,ltd
typical electrical / optical characteristics curves forward current vs.applied voltage forward current vs. luminous intensity ambient tempera ture vs.forward current radiation diagram 20.0 forward current (ma) relative luminous intensity 10.0 0 15 30 60 45 75 30.0 0.0 applied voltage (v) forward current if(ma) 10 20 40 30 50 2.0 2.4 2.8 3.2 3.6 4.0 ambient temperature ta ( c) 0 20 40 60 100 80 forward current if(ma) 10 20 40 30 50 80 90 60 70 50 30 40 0.1 0.5 0.7 0.8 0.3 1.0 0.9 0.4 0.2 0.6 0 10 20 e ??? wej eceltronic co., ltd smd wej electronic co.,ltd
? ??? wej eceltronic co., ltd smd wej electronic co.,ltd
precaution in use storage recommended storage environment temperature: 5 -30 (4 1 f~86f) humidity: 60%rh max use within 3days after opening of sealed vapor/esd barrier bags. fold the opened bag firmly and keep in dry environment. soldering reflow soldering hand soldering p re - heat p re - heat time peak temperature soldering time condition lead soldering lead - free solder temperature soldering time 350 max 3see max (onetime only) 120~150 180~200 120see max 120see max 240 max 260 max 10see max 10seemax r efer to r efer to temperature - profile1 temperature - pr ofile1 after reflow soldering rapid cooling should be avoided. temperature ? profile(surface of circuit board) use the conditions shown to the under figure. ??? wej eceltronic co., ltd smd wej electronic co.,ltd
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