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| No. 4643E Surface Mount LED Numeric Displays LF-301VA/VK LF-301MA/MK Outline Surface Mount LED Numeric Displays have ROHM original structure that realizes reflow soldering. Dimensions (Unit : mm) Pin No.10 6.8 P1.27 4=5.08 PIN No.6 5 0.5 10-0.4 0.2 1 1 Luminous Intensity Rank 8 1 Surface color:Black 0.8 1 1 Applications FA equipments, Amusement equipments 13 11 Characteristics Re-flow soldering Pb-free available Automatic mounting with taping Pack PIN No.1 1 4 10 1 2.5 PIN No.5 Marking VA Color Red 5 Circuit Anode Common Type Cathode Common Type Anode Common Type Marking(ex.) VA VK Lot No. MA Green MK Cathode Common Type Tolerance;*} 0.3 Absolute maximum ratings/Electrical and optical characteristics Absolute maximum ratings(Ta=25 ) Absolute maximum ratings Power Part No. Forward Peak foward current * IFP *i mW*j *i mA*j LF-301VA/VK Red 320 480 15 20 *i mA*j 60 *i V*j 5 *i C* -25~+75 j C*j i * -30~+85 Reverse Operating VR Topr Storage Tstg Typ. (V) 2 2.1 Forward voltage VF Max. (V) 2.8 IF Max. Reverse current IR VR (V) 3 Emitting dissipation current PD IF color voltage temperature temperature (Ta=25*Z) Light wavelength Peak E P Min. (nm) 650 563 Half-wave E Typ. (nm) 40 IF Min. Typ. IF Luminous intensity IV Electrical and optical characteristics(Ta=25 ) (mA) (E A) 10 100 (mA) (mcd) (mcd) (mA) 10 3.6 10 10 LF-301MA/MK Green Note *IFP measured under Duty 1/5, Pluse Width 1 msec. *Ratings and characteristics are value per one chip. Luminous intensity is single digit brightness. May 2003 Taping Spec 25.5 Label attachment 1 12 2 0.1 0.1 1 (13.8) 21.5 (7.4) (0.5) 5.5 11.5 0.1 24 0.3 0.1 Pull Direction Tolerance: 330 0.2 Circuits No10 a f e d PIN No1 b c D. P No5 No6 Recommend Soldering Pattern 1.8 g 14 (10.4) LF-301VA (Anode Common Type) LF-301MA (Anode Common Type) Common 83 LF-301VK (Cathode Common Type) LF-301MK (Cathode Common Type) Common 83 1.8 Segment PIN No. a 7 b 6 c 4 d 2 e 1 f g D. P Segment PIN No. a 7 b 6 c 4 d 2 e 1 f g D. P 10-0.6 P=1.27 9 10 5 9 10 5 Recommend Re-flow Temperature Profile D : peak temperature 250 PCB / substrate surface actual measurement temperature(C) C : Heating curve2 200 B : pre-heating E 200C over area 150 A : Heating curve1 100 50 0 0 50 100 150 200 250 Elapse time(sec) Classification LF-301A/K Series A(Heating curve1) 4C/s max B(pre-heating) 140 160C (1 minute C(Heating curve2) 4C/s max D(peak temerature, peak time) 250C max 5s max E(200C over area) 50s max 80 2 4 0.1 1.75 13 1.5 +0.1 -0 0.1 |
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