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 q q - - n n 3 3 0 0 2 2 r r d d ver.1.0 page 1 of 3 since 1981 package dimensions : 30.0(1.18) 14.0(.55) 10 4.4(.173) 8.4(.33) 1.0(.039) 10.16(.400) 2.54(0.1) 1.0(0.039) 3.00(.118) min. 0.51(.02) mark xxxxxx 7.00(.276) pin 1. 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. 0.33 inch (8.40mm) digit height. 2. continuous uniform segments. 3. low power requirement. 4. excellent characters appearance. 5. solid state reliability. 6. categorized for luminous intensity. 7. multiplex drive common cathode. description : 1. the BQ-N302RD is a 8.40 mm (0.33") high four digit seven segments display. 2. this product use green chips, which are made from gap 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 : I??? http://www.brtled.com
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 q q - - n n 3 3 0 0 2 2 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 - 2.2 2.5 v luminous intensity per segment iv i f =10ma - 3.0 - mcd reverse current per segment i r v r =5v - - 100 a peak wave length p i f =10ma - 568 - nm dominant wave length d i f =10ma 569 - 574 nm spectral line half-width ? i f =10ma - 30 - nm I??? http://www.brtled.com
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 q q - - n n 3 3 0 0 2 2 r r d d ver.1.0 page 3 of 3 since 1981 typical electro-optical characteristics curves (25 ambient temperature unless otherwise noted) forward voltage (v) f o r w a r d c u r r e n t ( m a ) 12345 0 10 20 30 40 50 fig.2 forward current vs. forward voltage wavelength(nm) r e l a t i v e r a d i a n t i n t e n s i t y fig.1 relative radiant intensity vs. wavelength ambient temperature ta( c) forward current(ma) 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 -40 -20 0 20 40 60 0 0.5 1.0 1.5 2.0 2.5 3.0 fig.3 relative luminous intensity vs. ambient temperature fig.4 relative luminous intensity vs. forward current 10 20 30 40 50 1.0 2.0 3.0 0 460 490 0.5 520 550 1.0 640 580 610 ambient temperature ta( c) fig.5 forward current f o r w a r d c u r r e n t ( m a ) 0 10 20 40 20 60 40 50 derating curve vs. 80 100 30 120 ambient temperature ( @ 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 ( @ 2 0 m a ) 0.0 0 I??? http://www.brtled.com
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