420 LITTELFUSE
Document overview
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Technical content
WebSite Europe Tel: +49 2302 662-107 Americas Tel: +1 404 699-7820 Asia Tel: +852 26 14-1108 China Tel: +86 21 6432 5146 500mA 0500 125V 210 120 0.30 0.39 • 750mA 0750 125V 300 270 0.75 1.0 • 1.00A 1100 125V 270 435 1.60 2.2 • 1.50A 1150 125V 150 270 3.20 5.0 • 2.00A 1200 125V 165 380 5.50 6.8 • 2.50A 1250 125V 130 400 8.50 11.0 • 3.00A 1300 125V 125 450 11.0 14.5 • 3.50A 1350 125V 112 512 21.0 28.0 • 4.00A 1400 125V 110 560 30.0 40.0 • 5.00A 1500 125V 100 620 50.0 74.0 • cURus
50 A / 125 V AC
cos ϕ = 1.0
50 A / 80 V DC
35 A / 125 V AC
50-60 Hz; cos ϕ = 1.0 6,1 –0,2 1,45 -0,2 max. 2,77 1,45 -0,2 3,0 3,15 +0,05 SSSSSURFACEURFACEURFACEURFACEURFACE M M M M M OUNTOUNTOUNTOUNTOUNT F F F F F USESUSESUSESUSESUSES No. 420 SM420 SM420 SM420 SM420 SM Dimensions (mm)Dimensions (mm)Dimensions (mm)Dimensions (mm)Dimensions (mm) InformationInformationInformationInformationInformation NumberNumberNumberNumberNumber 420 Pad LayoutPad LayoutPad LayoutPad LayoutPad Layout Limits for Pre-arcing TimeLimits for Pre-arcing TimeLimits for Pre-arcing TimeLimits for Pre-arcing TimeLimits for Pre-arcing Time Rated Current 2.0 x I N SpecificationsSpecificationsSpecificationsSpecificationsSpecifications PackagingPackagingPackagingPackagingPackaging 000: Blister tape 18 cm reel (1000 pcs.) 001: Blister tape 33 cm reel (5000 pcs.) Tape width 12 mm MaterialsMaterialsMaterialsMaterialsMaterials Housing: Ceramic Element: Wire Terminals: Copper alloy, silver plated Operating TOperating TOperating TOperating TOperating T emperatureemperatureemperatureemperatureemperature -55 ºC to +125 ºC (consider de-rating) Climatic CategoryClimatic CategoryClimatic CategoryClimatic CategoryClimatic Category Stock ConditionsStock ConditionsStock ConditionsStock ConditionsStock Conditions +10ºC to +60ºC relative humidity ≤ 75 % yearly average, without dew, maximum value for 30 days-95 % VVVVVibration Resistanceibration Resistanceibration Resistanceibration Resistanceibration Resistance 24 cycles at 15 min each (IEC 60068-2-6) 10 - 60 Hz at 0.75 mm amplitude 60 - 2000 Hz at 10 g acceleration SolderabilitySolderabilitySolderabilitySolderabilitySolderability 235 ºC, 3 s (IEC 60068-2-58) Soldering Heat ResistanceSoldering Heat ResistanceSoldering Heat ResistanceSoldering Heat ResistanceSoldering Heat Resistance 260 ºC, 10 s (IEC 60068-2-58) Minimum Cross Section, CopperMinimum Cross Section, CopperMinimum Cross Section, CopperMinimum Cross Section, CopperMinimum Cross Section, Copper Conducting path - 0.175 mm 2 Thickness - 0.035 mm MountingMountingMountingMountingMounting Avoid circuit traces below the fuse MarkingMarkingMarkingMarkingMarking T, Current Rating Unit WUnit WUnit WUnit WUnit W eighteighteighteighteight 0.23g (approx.) UL 248-14, 125 VUL 248-14, 125 VUL 248-14, 125 VUL 248-14, 125 VUL 248-14, 125 V , T, T, T, T, T TTTTTime-Current Characteristicime-Current Characteristicime-Current Characteristicime-Current Characteristicime-Current Characteristic Time Lag (T) StandardStandardStandardStandardStandard UL 248-14 CSA C22.2 No. 248.14 ApprovalsApprovalsApprovalsApprovalsApprovals cULus Recognized FeaturesFeaturesFeaturesFeaturesFeatures Heat resistant ceramic housing For line or low voltage applications Low voltage drop Internationally approved High pulse resistance Also available as holder system 425 with mounted fuse 420 WWWWWebLinksebLinksebLinksebLinksebLinks Further infos see:Further infos see:Further infos see:Further infos see:Further infos see: www.wickmanngroup.com Further application infos see Fuseology:Further application infos see Fuseology:Further application infos see Fuseology:Further application infos see Fuseology:Further application infos see Fuseology: www.wickmanngroup.com/download/ fuseology.pdf Specifications are subject to change without notice Rated Amp Voltage Breaking Voltage Drop Power Dissipation Melting Integral Approvals Current code Rating Capacity 1.0 x I N 1.0 x IN 10 x I N typ. (mV) typ. (mW) min. (A 2s) typ. This product is not recommended for new designs. Please refer to Littelfuse No. 452.
WebSite Europe Tel: +49 2302 662-107 Americas Tel: +1 404 699-7820 Asia Tel: +852 26 14-1108 China Tel: +86 21 6432 5146 SSSSSURFACEURFACEURFACEURFACEURFACE M M M M M OUNTOUNTOUNTOUNTOUNT F F F F F USESUSESUSESUSESUSES No. 420420420420420 Contact WICKMANN for individual I-t curves IIIIIFaultFaultFaultFaultFault / I / I / I / I / I RatedRatedRatedRatedRated 23 4 5 6 7 8 911 0 0.001 0.01 0.1 100 1,000 10,000 100,000 151.5 I-t Characteristics (Min-Max Limit) UL 248-14 Test value