LF-301MA

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) 5±0.5 0.2 5 13 11 8 1 (1) !Features 1) Re-flow soldering 2) Pb-free availabe 3) Automatic mounting with taping pack 6.8 PIN No.6 P1.27×4=5.08 10-0.4 10˚ (1) Pin No.10 (1) (1) φ0.8 2.5 Pin No.1 PIN No.5 1 4 02 Tolerance are ±0.3 unless otherwise noted: !Selection guide Emitting color Common Anode Cathode Red Green LF-301VA LF-301VK LF-301MA LF-301MK !Pin assignments Pin No. 10 9 + + 8 + 7 + 6 + a f b g e c d + Pin No. 1 + 2 + 3 + 4 D.P + 5 !Equivalent circuit (anode common) 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" (cathode common) Common Common 8 3 8 3 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 1/2 LF-301 A / K Series LED displays !Absolute maximum ratings (Ta=25°C) Parameter Symbol Power dissipation Power dissipation Forward current Peak forward current Reverse voltage Operating temperature Storage temperature PD PD / seg IF IFP VR Topr Tstg 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 ∗Pulse width 1ms Duty 1 / 5 !Electrical characteristics (Ta=25°C) Symbol Conditions Parameter Forward voltage Reverse current Peak wavelength Spectral line half width VF IR λP ∆λ IF=10mA VR=3V IF=10mA IF=10mA Green Red Typ. 2.0 − 650 40 Max. 2.8 100 − − Typ. 2.1 − 563 40 Max. 2.8 100 − − Unit V µA nm nm The products are not radiations resistant. !Luminous intensity Color λP (nm) Red 650 Green 563 Type LF-301VA LF-301VK LF-301MA LF-301MK Min. Typ. Unit 3.6 10 mcd 3.6 10 mcd 2/2