4R7 (1/2) Conformity to RoHS Directive SMD Inductors(Coils) For Power Line(Wound, Magnetic Shielded) VLF Series VLF5014S FEATURES SHAPES AND DIMENSIONS Miniature size Mount area: 4.6 4.8mm Low profile: 1.4mm max. height Generic use for portable DC to DC converter line. 4.80.2 1.4max. High magnetic shield construction should actualize high resolu- tion for EMC protection. Dimensions in mm Available for automatic mounting in tape and real package. The products contain no lead and also support lead-free RECOMMENDED PC BOARD PATTERN soldering. It is a product conforming to RoHS directive. 3.9 5.7 APPLICATIONS Dimensions in mm Power souce inductor for mobile devices such as mobile phones, HDDs, and DSCs ELECTRICAL CHARACTERISTICS DC resistance( ) Rated current(A) Inductance Inductance Test frequency Part No. Based on inductance Based on temperature (H) tolerance(%) (MHz) max. typ. change max. rise typ. VLF5014ST-1R0N2R7 1 30 1 0.05 0.041 4 2.7 VLF5014ST-2R2M2R3 2.2 20 1 0.073 0.059 3 2.3 VLF5014ST-3R3M2R0 3.3 20 1 0.1 0.077 2.3 2 VLF5014ST-4R7M1R7 4.7 20 1 0.12 0.098 2 1.7 VLF5014ST-6R8M1R4 6.8 20 1 0.2 0.16 1.6 1.4 VLF5014ST-100M1R2 10 20 1 0.25 0.21 1.5 1.2 Rated current: Value obtained when current flows and the temperature has risen to 40C or when DC current flows and the nominal value of inductance has fallen by 30%, whichever is smaller. Operating temperature range: 40 to +105C (Including self-temperature rise) TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS VLF5014ST-1R0N2R7 VLF5014ST-2R2M2R3 2.0 3.0 2.5 1.6 2.0 1.2 1.5 0.8 1.0 0.4 0.5 0.0 0.0 0.0 1.0 2.0 3.0 4.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 ( ) ( ) DC current A DC current A 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. All specifications are subject to change without notice. 002-03 / 20080822 / e531 vlf5014s.fm ( ) Inductance H ( ) Inductance H 4.60.2 1.6(2/2) TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS VLF5014ST-3R3M2R0 VLF5014ST-4R7M1R7 4.0 6.0 5.0 3.0 4.0 3.0 2.0 2.0 1.0 1.0 0.0 0.0 0.0 0.5 1.0 1.5 2.0 2.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 ( ) DC current(A) DC current A VLF5014ST-6R8M1R4 VLF5014ST-100M1R2 12 8.0 10 6.0 8 6 4.0 4 2.0 2 0 0.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 DC current(A) ( ) DC current A TEST CIRCUIT C=20,000F A L=0.1H 2 1 Sample 1: LCR meter 4285A f=1MHz 2: DC constant current All specifications are subject to change without notice. 002-03 / 20080822 / e531 vlf5014s.fm ( ) ( ) Inductance H Inductance H ( ) ( ) Inductance H Inductance H