1/3 www.rohm.com c 2011 rohm co., ltd. all rights reserved. 2011.04 - rev.b high efficiency, single-digit numeric displays la-501dn series the la-501dn series were designed to meet the need for 13mm si ngle-digit numeric displays. these led numeric displays use gaasp on gap for the emitting material (with the exception of green) and are housed in an epoxy resin package. they are single-digit displays with a character height of 13.0mm. ? features ? dimensions (unit : mm) 1) height of character: 13.0mm 2) common anode and common cathode configurations are available for each color. 3) high-efficiency reflectors are used to achieve a bright, clear display. 4) the package surface is painted black and the segments are colored the display color. ? selection guide emitting color common anode cathode red la-501vd la-501vn green la-501md la-501mn ? pin assignments pin no. + + + + + + + + + + a g d fb e c d.p 10 9 7 86 12345 function pin no. 1 2 3 4 5 6 7 8 9 10 segment "e" segment "d" common segment "c" d.p segment "b" segment "a" common segment "f" segment "g" 3.5min. 7.0 (10.16) (2.54) 0.5 (15.24) 0.25 12.5 10 17.5 13.0 1.25 1.25 7.4 1.25 tolerances are 0.2 unless otherwise noted:
2/3 www.rohm.com c 2011 rohm co., ltd. all rights reserved. 2011.04 - rev.b data sheet la-501dn series ? internal circuit schematic (example of common cathode) com 3,8 a 7 b 6 c 4 d 2 e 1 f 9 g 10 d.p 5 ? absolute maximum ratings (ta = 25 ? c) la-501md / mn parameter symbol p d p d / seg i f i fp v r topr tstg red la-501vd / vn unit mw mw ma ma v c c 480 60 20 60 ? 5 green 480 60 20 60 ? 5 ? 25~ + 75 ? 30~ + 85 power dissipation power dissipation forward current peak forward current reverse voltage operating temperature storage temperature ? pulse width 1ms duty 1 / 5 ? electrical and opti cal characteristics (ta = 25 ? c) not designed for radiation resistance. symbol unit parameter red spectral line half width ? ? nm peak wavelength p ? nm reverse current i r ? a forward voltage v f conditions i f = 10ma i f = 10ma v r = 5v i f = 10ma ? min. 40 650 ? 2.0 typ. ? ? 100 2.8 max. green ? ? ? ? min. 40 563 ? 2.1 typ. ? ? 100 2.8 max. v ? luminous intensity p unit color red 650 type la-501vn la-501vd min. 5.6 typ. 16 max. ? mcd green 563 la-501mn la-501md 5.6 16 ? mcd note : measured at i f = 10 ma
3/3 www.rohm.com c 2011 rohm co., ltd. all rights reserved. 2011.04 - rev.b data sheet la-501dn series ? electrical and optical characteristic curves la-501md la-501mn la-501vd la-501vn 0.1 1 10 100 1 1.5 2 2.5 3 ta=25 c forward voltage:v f (v) forward current:i f (ma) fig.1 forward current - forward voltage 0.01 0.10 1.00 10.00 1 10 100 relative luminous intensity forward current:i f (ma) ta=25 c fig.2 relative luminous intensity - forward current 0.4 0.6 1.2 1.4 1.6 case temparature ( c) i f =10ma -25 -15 -5 5 15 25 35 45 55 65 75 relative luminous intensity 0.8 1 fig.3 relative luminous intensity - case temperature 1 10 100 1000 10000 100000 pulse duration : tw(s) 30hz 100hz 300hz 1khz 3khz 10khz 30khz 100khz 300khz ratio of maximum tolerable peak current to maximum forward current ( ) i f peak max. i f max. 1 10 fig.4 ratio of maximum tolerable peak current - pulse duration 0% 20% 40% 60% 80% 100% 120% forward current (%) ambient temperature( c) -25 -15 -5 5 15 25 35 45 55 65 75 85 fig.5 derating
r 1 120 a ww w .rohm.com ? 20 1 1 rohm co., ltd. all rights reserved. notice rohm customer support system http://ww w . r ohm.com/contact/ thank you for your accessing to rohm p r oduct informations. mo r e detail p r oduct informations and catalogs a r e available, please contact us. notes
|
