lightkey spec no: ds10121847 rev : a.4 checke d: emil y zh ou appr oved: m.h. lin p a ge: 1/3 http://www .l tkey .c om tel: 0086-574 -863 222 82 da te: jul/20/201 1 dat a shee t of 4.00 inch 5x7 dual color dot matrix led displa y lm40057 a/brg series ? 3.00 inch 5x7 dual co lor dot matrix led displa y at t e n t i o n ob ser ve pr ec a u t i o n s fo r h a ndl i n g e l e c tro s t a ti c di s c h a rg e sen s i t i v e d evi c e s f e a t u r e s ? 106.50m m (4 .00 inch ) digit high ? d o t s i z e : d i a m e t e r 1 0 . 0 0 m m ? pitch: 15.24 mm ? w i d e v i e w i n g a n g l e ? r a n g e o f e m i t t e d c o l o r s ? i . c . c o m p a t i b l e ? l o w p o w e r c o n s u m p t i o n ? w h i t e d o t , g r e y o r b l a c k f a c e available options ? alternativ e emi tting lumi nosit y: standar d or hi gh bri ghtn e ss versio n ? alternativ e emi tted color ? alternativ e dot color ? alternativ e face ? both cc an d c a versions ar e avail a b l e ? crop ped termi nal p i ns ? rohs com p li a n t package di mensions 1 * / $ 0 - 3 0 8 notes: 1. all dim ens ion s are in millimet ers (inches), t o lerance is + 0.25mm (0.01inch) u n less other w i se noted. 2. specific ation s are subj ect to change w i thout notice. 3. t he ga p between the reflector and pcb s hall not ex ceed 0.2 5 mm.
lightkey spec no: ds10121847 rev : a.4 checke d: emil y zh ou appr oved: m.h. lin p a ge: 2/3 http://www .l tkey .c om tel: 0086-574 -863 222 82 da te: jul/20/201 1 dat a shee t of 4.00 inch 5x7 dual color dot matrix led displa y internal circuit diagram lm400 57 arg (common cathode ro w ) lm40057brg (co mmon anod e ro w ) / 0 $ 0 / / & |