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| HS Aluminium Housed Resistors ManufacturedinlinewiththerequirementsofMIL 18546andIEC115,designedfordirectheatsink mountingwiththermalcompoundtoachievemaximum performance. * HighPowertovolume * WoundtomaximiseHighPulseCapability * ValuesfromR005to100K * Customdesignswelcome * RoHSCompliant Characteristics Tolerance(Code): Toleranceforlowvalues: Temperaturecoefficients: Insulationresistance(Dry): Powerdissipation: Ohmicvalues: Lowinductive(NHS): NHSohmicvalue: NHSworkingvolts: Standard5%(J)and10%(K).Alsoavailable1%(F),2%(G)and3%(H) TypicallyR055%R04710% Typicalvalues<1K100ppmStd.>1K25ppmStd.ForlowerTCR'spleasecontactArcol 10,000Mminimum Athighambienttemperaturedissipationderateslinearlytozeroat200C FromR005to100Kdependingonwattagesize SpecifybyaddingNbeforeHSSeriescode,e.g.NHS50 DividestandardHSmaximumvalueby4 DividestandardHSmaximumworkingvoltageby1.414 Temp. Rise & Power Dissipation Surfacetemperatureofresistorrelatedtopowerdissipation. Theresistorisstandardheatsinkmountedusingaproprietary heatsinkcompound. 200 S U R FACE T E M P E R AT U RE RI SE ( C) Heat Dissipation Heatdissipation:Whilsttheuseofproprietaryheatsinks withlowerthermalresistancesisacceptable,upratingisnot recommended.Formaximumheattransferitisrecommended thataheatsinkcompoundbeappliedbetweentheresistor HS300 baseandheatsinkchassismountingsurface.Itisessentialthat themaximumhotspottemperatureof200Cisnotexceeded, therefore,theresistormustbemountedonaheatsinkof correctthermalresistanceforthepowerbeingdissipated. HS50 HS150 HS200 HS250 100 HS25 HS15 HS10 HS75 HS100 Ordering Procedure 50 75 100 150 200 250 300 5 0 20 StandardResistor.Tospecifystandard:Series,Watts,Ohmic Value,ToleranceCode,e.g.:HS252R2J NonInductiveResistor.TospecifyaddN,e.g.:NHS10010RJ P O W E R DISSI PAT I O N ( WAT T S ) ARCOLUKLimited, ThreemilestoneInd.Estate, Truro,Cornwall,TR49LG,UK. T +44(0)1872277431 F +44(0)1872222002 E sales@arcolresistors.com Theinformationcontainedhereindoesnotformpartof acontractandissubjecttochangewithoutnotice.Arcol operateapolicyofcontinualproductdevelopment,therefore, specificationsmaychange. Itistheresponsibilityofthecustomertoensurethatthecomponent selectedfromourrangeissuitablefortheintendedapplication.Ifin doubtpleaseaskArcol. Page1of2 10/05.45 www.arcolresistors.com HS Aluminium Housed Resistors Electrical Specifications Size HS10 HS15 HS25 HS50 HS75 HS100 HS150 HS200 HS250 HS300 Style MIL-R 18546 RE 60 RE 65 RE 70 RE 75 Power rating on std. heatsink @25C 10 15 25 50 75 100 150 200 250 300 Watts with no heatsink @25C 5.5 8 12.5 20 45 50 55 50 60 75 Resistance range R005-10K R005-10K R005-36K R01-86K R01-50K R01-70K R01-100K R01-50K R01-50K R01-68K Limiting element voltage 160 265 550 1250 1400 1900 2500 1900 2200 2500 Voltage proof AC Peak 1400 1400 3500 3500 6363 6363 6363 7070 7070 7070 Voltage proof AC rms. 1000 1000 2500 2500 4500 4500 4500 5000 5000 5000 Approx weight gms 4 7 14 32 85 115 175 475 600 700 Typical surface rise HS mounted 5.8 5.1 4.2 3.0 1.1 1.0 1.0 0.7 0.6 0.6 Standard heatsink AreaCM 415 415 535 535 995 995 995 3750 4765 5780 Thick1 1 1 1 3 3 3 3 3 3 HS10-HS300 Standard Resistor L 2.1 0.1 HS 10, 15, 25, 50 O 2.0 0.25 GA O 3.2 max. J 3.0 0.1 Centre hole in 150 Watts only L J 6mm L J HS 75, 100, 150 GA HS 200, 250, 300 GA * = F E B F E B = = F E M B = D D D C H K C H K C H K Dimensions (mm) Size HS10 HS15 HS25 HS50 HS75 HS100 HS150 HS200 HS250 HS300 A Max 16.5 21.0 28.0 29.7 47.5 47.5 47.5 72.5 72.5 72.5 B Max 30.0 36.5 51.0 72.5 72.0 88.0 121.0 145.7 167.0 184.4 C Max 8.8 11.0 14.6 14.8 24.1 24.1 24.1 41.8 41.8 41.8 D Max 8.5 11.2 14.0 14.2 27.3 27.3 27.3 45.5 45.5 45.5 E Max 15.9 19.9 27.3 49.1 48.7 65.2 97.7 89.7 109.7 127.7 F0.3 11.3 14.3 18.3 39.7 29.0 35.0 58.0 70.0 89.0 104.0 G0.3 12.4 15.9 19.8 21.4 37.0 37.0 37.0 57.2 57.2 59.0 H Max 4.5 5.5 7.3 8.5 11.8 11.8 11.8 20.5 20.5 20.5 J Max 2.4 2.8 4.7 5.2 10.4 15.4 20.4 10.4 10.4 12.4 K Max 1.8 1.8 2.6 2.6 3.7 3.7 3.7 5.5 5.5 5.5 L 0.25* 2.4 2.4 3.2 3.2 4.4 4.4 4.4 5.1 5.1 6.6 103.4 122.4 141.4 M Max * HS200-HS300 Watts is 0.45 Page2of2 10/05.45 |
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