(1/2) Conformity to RoHS Directive SMD Inductors(Coils) For Power Line(Wound, Magnetic Shielded) VLS Series VLS252012 FEATURES SHAPES AND DIMENSIONS Miniature size Mount area: 2.5 2mm Height: 1.2mm max. 2.50.1 Generic use for portable DC to DC converter line. High magnetic shield construction should actualize high resolution for EMC protection. Dimensions in mm Available for automatic mounting in tape and real package. The products do not contain lead and support lead-free soldering. RECOMMENDED PC BOARD PATTERN APPLICATIONS DVCs, DSCs, PDAs, LCD displays, cellular phones, HDDs, etc. 0.8 0.85 0.85 Dimensions in mm ELECTRICAL CHARACTERISTICS Rated current(A) DC resistance Inductance Inductance Test frequency ( ) Based on inductance change Based on Part No. tolerance (H) (MHz) temperature rise (%) max. typ. max. typ. typ. VLS252012T-R47N2R1 0.47 30 1 0.056 0.047 3.3 3.7 2.2 VLS252012T-1R0N1R7 1 30 1 0.088 0.073 2.4 2.7 1.8 VLS252012T-1R5N1R4 1.5 30 1 0.126 0.105 2 2.2 1.5 VLS252012T-2R2M1R3 2.2 20 1 0.155 0.129 1.8 2 1.3 VLS252012T-3R3MR99 3.3 20 1 0.272 0.227 1.4 1.6 1 VLS252012T-4R7MR81 4.7 20 1 0.406 0.338 1.2 1.3 0.8 VLS252012T-6R8MR66 6.8 20 1 0.612 0.51 0.99 1.1 0.66 VLS252012T-100MR59 10 20 1 0.756 0.63 0.81 0.9 0.59 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 VLS252012T-R47N2R1 VLS252012T-1R0N1R7 0.6 1.0 0.4 0.5 0.2 0.0 0.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0 0.5 1.0 1.5 2.0 2.5 ( ) ( ) 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. 002-02 / 20080822 / e531 vls252012.fm ( ) Inductance H ( ) Inductance H 2.00.1 2.0 1.2max.(2/2) TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS VLS252012T-1R5N1R4 VLS252012T-2R2M1R3 2.0 2.5 2.0 1.5 1.5 1.0 1.0 0.5 0.5 0.0 0.0 0 0.2 1.0 1.5 2.0 0 0.5 1.0 1.5 2.0 ( ) DC current(A) DC current A VLS252012T-3R3MR99 VLS252012T-4R7MR81 6.0 4.0 5.0 3.0 4.0 3.0 2.0 2.0 1.0 1.0 0.0 0.0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 DC current(A) ( ) DC current A VLS252012T-6R8MR66 VLS252012T-100MR59 8.0 10.0 6.0 4.0 5.0 2.0 0.0 0.0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0 0.2 0.4 0.6 0.8 1.0 ( ) ( ) 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. 002-02 / 20080822 / e531 vls252012.fm ( ) ( ) ( ) Inductance H Inductance H Inductance H ( ) ( ) ( ) Inductance H Inductance H Inductance H