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| LB-303AK Series LED displays High efficiency, three-digit numeric displays LB-303AK Series The LB-303AK series were designed to meet the need for multi-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 three-digit displays with a character height of 8.0 mm. !External dimensions (Units : mm) 22.0 7.0 7.0 10 8.0 13.0 1.0 4.0 3- 0.9 !Features 1) Height of character : 8.0 mm 2) High efficiency in a compact package. 3) Common anode and common cathode configurations are available for red, orange and green. 4) The package surface is painted black and the segments are colored the display color. (2.54) (12.7) 5.00.5 0.5 5.0 Tolerances are 0.3 unless otherwise noted: !Selection guide Emitting color Common Anode Cathode Order-based production. Red LB-303VA LB-303VK Orange LB-303DA LB-303DK Green LB-303MA LB-303MK !Pin assignments Pin No. 11 + a f e g c b e f 10 + a g c b e f 9 + 8 + a g c b 7 + Function Segment "c" Digit 1 Common Segment "d" Digit 2 Common Digit 3 Common Segment D.P Segment "b" Segment "f" Segment "a" Segment "e" Segment "g" d Digit 1 d Digit 2 + 3 d Digit 3 + 5 D.P1 + 2 D.P2 + 4 D.P3 + 6 + Pin No. 1 1 2 3 4 5 6 7 8 9 10 11 0.5 (9.2) 1.0 LB-303AK Series LED displays !Internal circuit schematic (example of common anode) a 9 b 7 c 1 d 3 e 10 f 8 g D.P 11 6 2 Dig.1 4 Dig.2 5 Dig.3 !Absolute maximum ratings (Ta = 25C) Red Parameter Power dissipation Power dissipation Forward current Peak forward current Reverse voltage Operating temperature Storage temperature Symbol PD PD / seg IF IFP VR Topr Tstg LB-303VA / VK 960 40 15 60 3 Orange LB-303DA / DK 960 40 15 60 3 -25~+75 -30~+85 Green LB-303MA / MK 1440 60 20 60 3 Unit mW mW mA mA V C C Pulse width 1ms duty 1 / 5 ! Electrical and optical characteristics (Ta = 25C) Parameter Forward voltage Reverse current Peak wavelength Spectral line half width Symbol Conditions VF IR P IF = 10mA VR = 3V IF = 10mA IF = 10mA Red Min. - - - - Typ. Max. Min. 2.0 - 650 40 2.8 100 - - - - - - Orange Typ. Max. Min. 2.0 - 610 40 2.8 100 - - - - - - Green Typ. Max. 2.1 - 563 40 2.8 100 - - Unit V A nm nm Not designed for radiation resistance. ! Luminous intensity Color Red P 650 Type LB-303VA LB-303VK Orange 610 LB-303DA LB-303DK LB-303MA Green Note : Measured at IF = 10mA Min. 1.4 Typ. 4.0 Max. - - - Unit mcd 1.4 4.0 mcd 563 LB-303MK 2.2 6.3 mcd |
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