High efficiency, two-digit numeric displays LB-302FP Series The LB-302FP series were designed to meet the need for multi-digit numeric displays. These two-digit LED numeric displays have a character height of 7.62 mm. Dimensions (Unit : mm) Features 1) Height of character : 7.62 mm 2) High efficiency in a compact package. 3) Common anode and common cathode configurations are available for red and green. 4) The package surface is painted black and the segments are milky white. 15.5 (10.16) 0.7 0.7 7.62 15.0 10° 7.0 C0.5 φ0.5 (2.54) (10.16) 5.3±0.5 7.2 3.94 Tolerances are ±0.25 unless otherwise noted: Selection guide Emitting color Red Green Anode LB-302VF LB-302MF Cathode LB-302VP LB-302MP Common Pin assignments 10 9 8 7 6 + + + + + a a f f b b g e g e c d + Pin No. 1 c d Dig.1 + + + 2 3 4 Dig.2 + 5 www.rohm.com c 2011 ROHM Co., Ltd. All rights reserved. ○ Pin No. Function 1 2 3 4 5 6 7 8 9 10 Segment "g" D.P Segment "a" Segment "f" Digit 2 Common Segment "d" Segment "e" Segment "c" Segment "b" Digit 1 Common 1/3 2011.04 - Rev.B LB-302FP Series Data Sheet Internal circuit schematic (example of common cathode) Pin No. 10 Dig.1 5 Dig.2 Pin No. 3 a 9 b 8 c 6 d 7 e 4 f 1 g 2 D.P Absolute maximum ratings (Ta = 25C) Parameter Symbol Red Green LB-302VF / VP LB-302MF / MP Unit Power dissipation PD 800 960 mW Power dissipation PD / seg 50 60 mW IF 15 20 mA Peak forward current IFP 60∗ 60∗ mA Reverse voltage VR 5 5 V Forward current Operating temperature Topr −25 to +75 °C Storage temperature Tstg −30 to +85 °C ∗ Pulse width 1ms duty 1 / 5 Electrical and optical characteristics (Ta = 25C) Parameter Symbol Conditions Red Green Min. Typ. Max. Min. Typ. Max. Unit Forward voltage VF IF = 10mA − 2.0 2.8 − 2.1 2.8 V Reverse current IR VR = 5V − − 100 − − 100 μA Peak wavelength λP IF = 10mA − 650 − − 563 − nm Spectral line half width Δλ IF = 10mA − 40 − − 40 − nm Not designed for radiation resistance. Luminous intensity Color λP Type Min. Typ. Max. Unit Red 650 LB-302VF / VP 2.2 6.3 − mcd Green 563 LB-302MF / MP 3.6 9.0 − mcd Note : Measured at IF = 10mA www.rohm.com c 2011 ROHM Co., Ltd. All rights reserved. ○ 2/3 2011.04 - Rev.B LB-302FP Series Data Sheet Electrical and optical characteristic curves 10.00 Ta=25°C LB-302MF LB-302MP LB-302VF LB-302VP Relative Luminous Intensity 10 1 0.1 1 1.5 2 2.5 Ta=25°C 1.00 0.10 0.01 3 1 10 Forward Voltage:VF(V) Fig.2 Relative Luminous Intensity - Forward Current Fig.1 Forward Current - Forward Voltage IF peak Max. Ratio of Maximum Tolerable peak IF Max. Current to Maximum Forward Current ) 1.6 IF=10mA 10 LB-302MF LB-302MP 0.8 0.6 0.4 -25 -15 -5 5 15 25 35 45 55 65 75 30Hz 100Hz 300Hz 1kHz 10kHz 30kHz 1 300kHz 1.2 100kHz ( 1.4 Relative Luminous Intensity 100 Forward Current:IF(mA) 3kHz Forward Current:IF(mA) 100 1 1 10 100 1000 10000 100000 Pulse Duration : tw(µs) Fig.3 Relative Luminous Intensity - Case Temperature Fig.4 Ratio of Maximum Tolerable Peak Current - Pulse Duration ( Ι ) 120% 10 100% Forward Current (%) 100Hz 200Hz 500Hz 1kHz 2kHz 5kHz 10kHz 50kHz 20kHz LB-302VF LB-302VP ( IF peak Max. Ratio of Maximum Tolerable peak IF Max. Current to Maximum Forward Current ) Case Temparature (°C) 80% 60% 40% 20% 1 1 10 100 1000 0% -25 -15 -5 10000 5 15 25 35 45 55 65 75 85 Pulse Duration : tw(µs) Ambient Temperature(°C) Fig.5 Ratio of Maximum Tolerable Peak Current - Pulse Duration ( ΙΙ ) Fig.6 Derating www.rohm.com c 2011 ROHM Co., Ltd. All rights reserved. ○ 3/3 2011.04 - Rev.B Notice Notes Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact us. ROHM Customer Support System http://www.rohm.com/contact/ www.rohm.com © 2011 ROHM Co., Ltd. All rights reserved. R1120A