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| LF-301 A / K Series LED displays Single Digit Surface Mount LED Numeric Display LF-301 A / K Series LF-301 A / K series of Single Digit Surface Mount LED Numeric Display which the height of a letter 8mm have ROHM original structure that realizes re-flow soldering. !External dimensions (Unit : mm) Pin No.10 6.8 PIN No.6 P1.27x4=5.08 10-0.4 10 50.5 0.2 (1) !Features 1) Re-flow soldering 2) Pb-free availabe 3) Automatic mounting with taping pack (1) 13 11 8 1 0.8 (1) Pin No.1 1 4 2.5 PIN No.5 02 Tolerance are 0.3 unless otherwise noted: !Selection guide Emitting color Common Anode Cathode Red LF-301VA LF-301VK Green LF-301MA LF-301MK !Pin assignments 10 9 ++ 8 + a f g e d + Pin No. 1 + 2 + 3 + 4 D.P + 5 c b 7 + 6 + Pin No. 1 2 3 4 5 6 7 8 9 10 Function Segment "e" Segment "d" Common Segment "c" D.P Segment "b" Segment "a" Common Segment "f" Segment "g" !Equivalent circuit (anode common) Common 83 (cathode common) Common 83 Segment a b c d e f g D.P PIN No. 7 6 4 2 1 9 10 5 Segment a b c d e f g D.P PIN No. 7 6 4 2 1 9 10 5 (1) 5 1/2 LF-301 A / K Series LED displays !Absolute maximum ratings (Ta=25C) Parameter Symbol Red Green LF-301VA / VK LF-301MA / MK 320 480 40 60 15 20 60 60 5 5 -25 to +75 -30 to +85 Unit mW mW mA mA V C C Power dissipation Power dissipation Forward current Peak forward current Reverse voltage Operating temperature Storage temperature Pulse width 1ms Duty 1 / 5 PD PD / seg IF IFP VR Topr Tstg !Electrical characteristics (Ta=25C) Parameter Forward voltage Reverse current Peak wavelength Spectral line half width Symbol Conditions Red Green VF IR P IF=10mA VR=3V IF=10mA IF=10mA Typ. 2.0 - 650 40 Max. 2.8 100 - - Typ. 2.1 - 563 40 Max. 2.8 100 - - Unit V A nm nm The products are not radiations resistant. !Luminous intensity Color Red Green P (nm) 650 563 Type LF-301VA LF-301VK LF-301MA LF-301MK Min. 3.6 3.6 Typ. 10 10 Unit mcd mcd 2/2 |
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