ER-1000HV Littelfuse

Surface Mount Fuses 2 NANO > 456 Series PS E 456 Series Fuse Description 2 The High Current NANO Fuse is a small square surface mount fuse that is designed to support higher current requirements of various applications. Features t BDF NPVOU IJHI 4VSG t P)4 DPNQMJBOU BOE 3 current fuse Halogen Free t VMMZ DPNQBUJCMF t BJMBCMF JO SBUJOHT PG W XJUI MFBE GSFF TPMEFS 20 to 40 Amperes T BOE IJHIFS Z BMMP temperature profiles Agency Approvals BTTPDJBUFE XJUI MFBE GSFF BTTFNCMZ AGENCY AGENCY FILE NUMBER AMPERE RATING E10480 20A, 30A, 40A Applications t PMU BHF SFHVMBUPS 7 t FS XBTFTU BUJPO QP PS NBK030308-JP1021 20A, 30A E module for PC server TVQQMZ t PPMJOH GBO TZTUFN GPS t F VUPNPUJW Electrical Characteristics PC server t 4UPSBHF TZTUFN QPXFS % of Opening Time Ampere Rating 100% 4 hours, Minimum 200% 60 seconds, Maximum Electrical Specifications Max Agency Approvals Ampere Nominal Nominal Nom Voltage Voltage Rating Amp Code Interrupting Rating Cold Resistance Melting Drop PS Rating 2 2 E (A) (Ohms) I t (A Sec.) (mV) (V) 100A 125V AC 300A 65V AC 20 020. 125 300A 100V DC 0.00230 18 64.7 x x 1000A 32V DC 500A 72VDC 100A 125V AC 300A 65V AC 30 030. 125 0.00132 81 69.9 x x 1000A 32V DC 500A 72VDC 40 040. 60 600A 60V DC 0.00105 454 55 x Notes: 1. Cold resistance measured at less than 10% of rated current at 23C. 2. Agency Approval Table Key: X=Approved or Certified, P=Pending. 2 3. I t values stated for 10 msec opening time. 2009 Littelfuse, Inc. 456 Series 65 Specifications are subject to change without notice. Revised: April 16, 2010 Please refer to www.littelfuse.com/series/456.html for current information. 456 Series Surface Mount Fuses IntrIntroduction toduction too Cir Circuit Prcuit Prototectionection 2 Transientology NANO > 456 Series Temperature Rerating Curve Average Time Current Curves 60 40 100 20 0 0 10 20 40 60 1 -60C -40C -20C 0C 20C 40C 60C 80C 100C 120C 140C -76F -40F -4F 32F 68F 104F 140F 176F 212F 248F 264F AMBIENT TEMPERATURE 0.1 0.01 1 10 100 1000 CURRENT IN AMPERES Soldering Parameters Reflow Soldering t P Reflow Condition SFF BTTFNCMZ 1C o T P Critical Zone Ramp-up T to T L P - Temperature Min (T ) 150C s(min) T L Pre Heat - Temperature Max (T ) 200C t s(max) L T S(max) - Time (Min to Max) (t ) TFDT o s Ramp-down Average ramp up rate (Liquidus Temp Preheat 5C/second max. (T ) to peak T L S(min) t S T to T - Ramp-up Rate 5C/second max. S(max) L - Temperature (T ) (Liquidus) 217C L 25 Reflow time to peak temperature - Temperature (t ) TFDPOET o Time L (t 25C to peak) Peak Temperature (T ) 250 C P Time within 5C of actual peak o TFDPOET Temperature (t ) p Ramp-down Rate 5C/second max. Time 25C to peak Temperature (T ) 8 minutes max. P Do not exceed 260C 2009 Littelfuse, Inc. 456 Series 66 Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/456.html for current information. PERCENT OF UPRATING PERCENT OF DOWNUPRATING TIME IN SECONDS 20A 30A 40A Temperature