LF LFF Insulation-Coated Metal Film Resistors Flame Retardant Coated Metal Film Resistors Construction L h D t d H Resistors PRECISION TYPE P CoatingcolorBlue MarkingColordot Insulationcoating Marking Trimmingline Ceramiccore Electrodecap Terminal Resistivefilm Dimensions Features L2.54mm5.08mm7.62mm 5.5mm L-shaped, 2.54mm, 5.08mm and 7.62mm pitches between terminals make a high density mounting available. Optimal for compacting equipment due to its height of5.5mmorunder. Dimensionsmm Type LMax. LF1/8 5.00 LF1/4 0 7.5 LF1/4L DMax. P d 2.540.2 0 2.5 Weightg h H t 5.08 6.01.0 0.25 1000pcs 57 3.00.5 5.080.2 0.5 116 5.50.5 LF1/2 9.60 7.620.3 LFF1/8 5.00 2.540.2 3.01.0 57 LFF1/4 7.25 5.080.2 5.01.0 116 2.54 5.50 0.30 140 ReferenceStandard JISC5201-1 TypeDesignation Example OldType LF 1/4 NewType LF 1/4 Product Code Power Rating LF: LF:Metalfilm LFF: LFF:Flameretardant coating 1/8:0.125W 1/4:0.25W 1/4L:0.25W 1/2:0.5W T D 10k F T A 1002 F Taping Packaging Nominal Resistance Resistance Tolerance T T.C.R. Terminal x10-6/K SurfaceMaterial C : 50 D : 100 L : 200 T : Sn L:Sn/Pb : Nil : Bulk T : 1/8W,1/4W T : Taping 1/8W,1/4W F : 4digits : G,J : 3digits Nil : Bulk A : 1/8W,1/4W A : AMMO 1/8W,1/4W F : 1% G : 2% J : 5% APPENDIXC Forfurtherinformationontaping,pleaserefertoAPPENDIXConthebackpages. Ratings Type PowerRating LF1/8 0.125W LF1/4 LF1/4L 0.25W LF1/2 0.5W Type PowerRating LFF1/8 0.125W LFF1/4 0.25W T.C.R. x10-6/K C : 50 D : 100 L : 200 C : 50 D : 100 C : 50 D : 100 ResistanceRange F:1 G:2 Max.Working E24E96 E24 Voltage 20511k 20510k 1019.6 1018 200V 4.79.76 4.79.1 201M 201M 250V 1019.6 1018 201M 201M 350V 1019.6 1018 Max.Overload Voltage T.C.R. x10-6/K C : 50 D : 100 C : 50 D : 100 ResistanceRange G:2, J:5 Max.Working F:1 E96 E24 Voltage Max.Overload Voltage RatedAmbient Temp. OperatingTemp. Taping&Q ty/AMMO Range pcs 400V 2,000 70 500V -55150 700V 10100k 10100k 200V 400V 10100k 10100k 250V 500V - RatedAmbient Temp. 70 OperatingTemp. Taping&Q ty/AMMO Range pcs -55155 2,000 x Ratedvoltage PowerRatingxResistanceValueorMax.workingvoltage,whicheverislower. Specificationsgivenhereinmaybechangedatanytimewithoutpriornotice.Pleaseconfirmtechnicalspecificationsbeforeyouorderand/oruse. www.koanet.co.jp DeratingCurve Resistors Percentratedpower 100 80 60 40 20 0 -60 -40 -20 0 20 40 60 80 100 120 140 160 -55 70 150155 Ambienttemperature 70 Forresistorsoperatedatanambienttemperatureof70 orabove,apower ratingshallbederatinginaccordancewiththeabovederatingcurve. Performance TestItems PerformanceRequirements R0.05 Limit TestMethods Resistance Withinspecifiedtolerance 25 T.C.R. WithinspecifiedT.C.R. /100 up Roomtemperature/100 up OverloadShorttime 0.5 x2.55 Ratedvoltagex2.5orMax.overloadvol.whicheverisless,for5s Resistancetosolderingheat 0.25LF 0.5LFF 3505,3s0.5s Solderability 95% 95%Coveragemin. 2355,5s0.5s Dielectricwithstandingvoltage 0.5 300Va.c. LF1/8, 250Va.c. LFF 500Va.c. LF1/4,LF1/4L,LF1/2 Terminalstrength Nomechanicaldamage Pull 5N Tear 10N Rapidchangeoftemperature 0.5 -5530min. /15030min.5cyclesLF -5530min. /15530min.5cyclesLFF Moistureresistance 1LF 2LFF 402,9095RH,100h 1.5ON/0.5OFF1.5hON/0.5hOFFcycle 70 Enduranceat70 1LF 2LFF 703,1000 1.5ON/0.5OFF1.5hON/0.5hOFFcycle LFF CoatedfilmsofflameretardanttypeLFFsmaybedamagedbyultrasoniccleaningsinFreonorsubstituteFreon. Specificationsgivenhereinmaybechangedatanytimewithoutpriornotice.Pleaseconfirmtechnicalspecificationsbeforeyouorderand/oruse. www.koanet.co.jp