TDK VLCF Series VLCF4020 handbook
Contents
1. 1 1 TDK SM D Ind uctors Coi Is Conformity to RoHS Directive For Power Line Wound Magnetic Shielded VLCF Series VLCF4020 FEATURES SHAPES AND DIMENSIONS e Miniature size 4 0401 Mount area 4x 4mm Height 2 0mm max e Generic use for portable DC to DC converter line e High magnetic shield construction should actualize high resolu tion for EMC protection e Available for automatic mounting in tape and real package e The products do not contain lead and support lead free solder ing Include solder Dimensions in mm APPLICATIONS DC to DC converters for DVC DSC PDA MD LCD displays RECOMMENDED PC BOARD PATTERN HDDs etc 2 5 l ee o a i 3 9 Dimensions in mm ELECTRICAL CHARACTERISTICS DC resistance Q Rated current A Part No neuctaneg HONAN E test TEqUENGY Based on inductance Based on temperature uH tolerance kHz max typ i change max rise typ VLCF4020T 1R8N1R9 1 8 30 100 0 051 0 046 1 97 2 37 VLCF4020T 2R2N1R7 2 2 30 100 0 059 0 054 1 72 2 19 VLCF4020T 3R3N1R5 3 3 30 100 0 078 0 071 1 52 1 94 VLCF4020T 4R7N1R2 4 7 30 100 0 098 0 089 1 24 1 71 VLCF4020T 6R8N1 RO 6 8 30 100 0 131 0 119 1 05 1 47 VLCF4020T 100MR85 10 20 100 0 185 0 168 0 85 1 22 VLCF4020T 150MR68 15 20 100 0 303 0 275 0 68 1 0 VLCF4020T 220MR56 22 20 100 0 431 0 391 0 56 0 8 VLCF4020T 270MR48 27 20 100 0 496 0 451 0 48 0 8 VLCF4020T 330MR47 33 20 100 02. 628 0 571 0 47 0 69 VLCF4020T 470MR39 47 20 100 0 934 0 849 0 39 0 56 VLCF4020T 101MR26 100 20 100 1 4 1 308 0 26 0 45 Rated current Value obtained when current flows and the temperature has risen to 40 C or when DC current flows and the nominal value of inductance has fallen by 30 whichever is smaller e Operating temperature range 40 to 105 C Including self temperature rise e Conformity to ROHS Directive This means that in conformity with EU Directive 2002 95 EC lead cadmium mercury hexavalent chromium and specific bromine based flame retardants PBB and PBDE have not been used except for exempted applications EN e All specifications are subject to change without notice 001 04 20060612 e 531_vicf4020
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TDK VLCF Series VLCF4020 handbook