b b r r i i g g h h t t l l e e d d e e l l e e c c t t r r o o n n i i c c s s c c o o r r p p . . b b d d - - f f 5 5 2 2 3 3 r r d d ver.1.0 page 1 of 3 since 1981 package dimensions : 8.16(.321) 13.80(.543) 0.50(.020) 25.20(.992) 2.54x8=20.32(.800) 5 3.0(.118)min. 7.80(.307) 21.15(.833) 1.60(.063) 15.24(.600) notes: 1. all dimensions are in millimeters(inches). 2. tolerance is 0.25mm(.01")unless otherwise specified. 3. specifications are subject to change without notice. features : 1. 0.54 inch (13.80mm) digit height. 2. continuous uniform segments. 3. low power requirement. 4. excellent characters appearance. 5. solid state reliability. 6. categorized for luminous intensity. 7. duplex drive common cathode. description : 1. the BD-F523RD is a 13.80mm(0.54") high dual digit 14-segment alphanumeric display. 2. this product use yellow chips, which are made from gaasp on gap substrate. 3. this product have a black face and white segments. 4. this product doesn't contain restriction substance, comply rohs standard. internal circuit diagram :
b b r r i i g g h h t t l l e e d d e e l l e e c c t t r r o o n n i i c c s s c c o o r r p p . . b b d d - - f f 5 5 2 2 3 3 r r d d ver.1.0 page 2 of 3 since 1981 absolute maximum ratings(ta=25 ) parameter symbol rating unit power dissipation per segment pd 80 mw forward current per segment i f 30 ma peak forward current per segment i fp (duty 1/10, 1khz) 150 ma reverse voltage per segment v r 5 v operating temperature topr -40 ~80 - storage temperature tstg -40 ~85 - soldering temperature (1/16" from body) ts o l 260 for 5 seconds - electrical and optical characteristics(ta=25 ) parameter symbol condition min. typ. max. unit forward voltage per segment vf i f =10ma - 2.0 2.5 v luminous intensity per segment iv i f =10ma - 2.5 - mcd reverse current per segment i r v r =5v - - 100 a peak wave length p i f =10ma - 589 - nm dominant wave length d i f =10ma 586 - 594 nm spectral line half-width ? i f =10ma - 35 - nm
b b r r i i g g h h t t l l e e d d e e l l e e c c t t r r o o n n i i c c s s c c o o r r p p . . b b d d - - f f 5 5 2 2 3 3 r r d d ver.1.0 page 3 of 3 since 1981 typical electro-optical characteristics curves (25 ambient temperature unless otherwise noted) wavelength(nm) fig.1 relative radiant intensity vs. wavelength forward voltage forward voltage (v) forward current(ma) fig.4 relative luminous r e l a t i v e l u m i n o u s i n t e n s i t y 0 ( @ 2 0 m a ) 1.0 2.0 f o r w a r d c u r r e n t ( m a ) 3.0 0 30 10 20 40 50 40 10 20 30 50 4 forward current intensity vs. 123 5 fig.2 forward current vs. r e l a t i v e r a d i a n t i n t e n s i t y 500 0 0.5 1.0 530 560 ambient temperature ambient temperature ta( c) ambient temperature ta( c) fig.5 forward current derating curve vs. ambient temperature 0 f o r w a r d c u r r e n t ( m a ) 20 10 40 30 20 40 60 80 0.5 ( @ 2 0 m a ) r e l a t i v e l u m i n o u s i n t e n s i t y 50 -40 0 1.0 1.5 2.0 2.5 3.0 0 -20 20 120 100 40 60 fig.3 relative luminous 590 620 intensity vs. 650 680
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