(1/2) SMD Inductors(Coils) For Power Line(Wound, Magnetic Shielded) Conformity to RoHS Directive VLS Series VLS4012 SHAPES AND DIMENSIONS APPLICATIONS DVCs, DSCs, PDAs, LCD displays, Cellular phones, HDDs, etc. RECOMMENDED PC BOARD PATTERN 4.00.1 FEATURES * Miniature size Mount area: 4x 4mm Height: 1.2mm max. * Generic use for portable DC to DC converter line. * High magnetic shield construction should actualize high resolution for EMC protection. * Available for automatic mounting in tape and real package. * The products do not contain lead and support lead-free soldering. 1.2max. 4.00.1 4.0 Dimensions in mm 1.3 1.4 1.3 Dimensions in mm ELECTRICAL CHARACTERISTICS Part No. VLS4012T-1R0N1R6 VLS4012T-1R5N1R5 VLS4012T-2R2M1R4 VLS4012T-3R3M1R2 VLS4012T-4R7M1R1 VLS4012T-6R8M1R0 VLS4012T-100MR82 VLS4012T-150MR65 VLS4012T-220MR57 VLS4012T-330MR44 VLS4012T-470MR39 Inductance (H) Inductance tolerance (%) Test frequency (MHz) 1 1.5 2.2 3.3 4.7 6.8 10 15 22 33 47 30 30 20 20 20 20 20 20 20 20 20 1 1 1 1 1 1 1 1 1 1 1 DC resistance () Rated current(A) Based on inductance change max. typ. max. typ. 0.06 0.072 0.084 0.102 0.132 0.156 0.24 0.372 0.492 0.816 1.02 0.05 0.06 0.07 0.085 0.11 0.13 0.2 0.31 0.41 0.68 0.85 2.5 2.1 1.7 1.4 1.2 1 0.89 0.7 0.63 0.47 0.41 2.8 2.3 1.9 1.6 1.4 1.2 0.99 0.78 0.7 0.53 0.46 Based on temperature rise typ. 1.6 1.5 1.4 1.2 1.1 1 0.82 0.65 0.57 0.44 0.39 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 VLS4012T-1R0N1R6 VLS4012T-1R5N1R5 1.2 1.5 Inductance(H) Inductance(H) 1.0 0.8 0.6 0.4 0.9 0.6 0.3 0.2 0.0 1.2 0.0 0 500 1000 1500 2000 DC current (mA) 2500 3000 0 500 1000 1500 DC current (mA) 2000 2500 * 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. 001-02 / 20080822 / e531_vls4012.fm (2/2) TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS VLS4012T-2R2M1R4 VLS4012T-3R3M1R2 4.0 2.0 Inductance(H) Inductance(H) 2.5 1.5 1.0 0.5 0.0 2.0 1.0 0.0 0 500 1000 1500 DC current (mA) 2000 VLS4012T-4R7M1R1 0 300 600 900 1200 DC current (mA) 1500 1800 VLS4012T-6R8M1R0 8.0 6.0 Inductance(H) 5.0 Inductance(H) 3.0 4.0 3.0 2.0 6.0 4.0 2.0 1.0 0.0 0.0 0 300 600 900 DC current (mA) 1200 1500 VLS4012T-100MR82 0 300 600 900 DC current (mA) 1200 VLS4012T-150MR65 20 12 Inductance(H) Inductance(H) 10 8 6 4 15 10 5 2 0 0 0 200 400 600 800 DC current (mA) 1000 1200 25 40 20 30 15 10 5 0 200 400 DC current (mA) 600 800 VLS4012T-470MR39 300 400 500 600 DC current (mA) 700 800 900 10 0 100 200 300 400 DC current (mA) 500 600 TEST CIRCUIT 50 C=20,000F A Inductance(H) 200 20 0 0 100 VLS4012T-330MR44 Inductance(H) Inductance(H) VLS4012T-220MR57 0 40 2 30 L=0.1H Sample 1 1: LCR meter 4285A f=1MHz 2: DC constant current 20 10 0 0 100 200 300 DC current (mA) 400 500 * All specifications are subject to change without notice. 001-02 / 20080822 / e531_vls4012.fm