VLF4014ST-3R3M1R6

(1/2) SMD Inductors(Coils) For Power Line(Wound, Magnetic Shielded) Conformity to RoHS Directive VLF Series VLF4014S 3.6±0.2 SHAPES AND DIMENSIONS 4R7 3.8±0.2 1.4max. Dimensions in mm RECOMMENDED PC BOARD PATTERN 1.3 FEATURES • Mount area: 3.6× 3.8mm Low profile: 1.4mm max. height • 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 contain no lead and also support lead-free soldering. • It is a product conforming to RoHS directive. 2.9 APPLICATIONS Power souce inductor for mobile devices such as mobile phones, HDDs, and DSCs 4.7 Dimensions in mm ELECTRICAL CHARACTERISTICS Part No. Inductance (µH) Inductance tolerance(%) Test frequency (MHz) VLF4014ST-1R0N2R3 VLF4014ST-2R2M1R9 VLF4014ST-3R3M1R6 VLF4014ST-4R7M1R4 VLF4014ST-6R8M1R2 VLF4014ST-100M1R0 1 2.2 3.3 4.7 6.8 10 ±30 ±20 ±20 ±20 ±20 ±20 1 1 1 1 1 1 DC resistance(Ω) max. typ. 0.049 0.072 0.107 0.14 0.19 0.26 0.041 0.06 0.089 0.11 0.16 0.22 Rated current(A)∗ Based on inductance change max. 2.7 2 1.7 1.4 1.2 1 Based on temperature rise typ. 2.3 1.9 1.6 1.4 1.2 1 ∗ 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. • Operating temperature range: –40 to +105°C (Including self-temperature rise) TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS VLF4014ST-1R0N2R3 VLF4014ST-2R2M1R9 3.0 1.5 Inductance(µH) Inductance(µH) 2.0 1.0 0.5 0.0 0.0 0.5 1.0 1.5 2.0 DC current (A) 2.5 3.0 3.5 2.0 1.0 0.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 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 / 20080629 / e531_vlf4014s.fm (2/2) TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS VLF4014ST-3R3M1R6 VLF4014ST-4R7M1R4 4.0 6.0 Inductance(µH) Inductance(µH) 5.0 3.0 2.0 1.0 4.0 3.0 2.0 1.0 0.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 DC current (A) VLF4014ST-6R8M1R2 0.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 DC current (A) 1.4 1.6 1.8 VLF4014ST-100M1R0 8.0 12 Inductance(µH) Inductance(µH) 10 6.0 4.0 2.0 8 6 4 2 0.0 0.0 0.2 0.4 0.6 0.8 1.0 DC current (A) 1.2 1.4 1.6 0 0.0 0.2 0.4 0.6 0.8 DC current (A) 1.0 1.2 1.4 TEST CIRCUIT C=20,000µF A 2 L=0.1H Sample 1 1: LCR meter 4285A f=1MHz 2: DC constant current • All specifications are subject to change without notice. 002-02 / 20080629 / e531_vlf4014s.fm