VLF3010ST-2R2M1R1

(1/2) SMD Inductors(Coils) For Power Line(Wound, Magnetic Shielded) Conformity to RoHS Directive VLF Series VLF3010S 2.8±0.2 SHAPES AND DIMENSIONS 4R7 3.0±0.2 1.0max. Dimensions in mm RECOMMENDED PC BOARD PATTERN 1.2 FEATURES • Miniature size Mount area: 2.8× 3.0mm Low profile: 1.0mm 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. 2.3 3.6 Dimensions in mm APPLICATIONS Power souce inductor for mobile devices such as mobile phones, HDDs, and DSCs ELECTRICAL CHARACTERISTICS Part No. Inductance (µH) Inductance tolerance(%) Test frequency (MHz) VLF3010ST-1R0N1R7 VLF3010ST-2R2M1R1 VLF3010ST-3R3MR88 VLF3010ST-4R7MR75 VLF3010ST-6R8MR65 VLF3010ST-100MR53 VLF3010ST-150MR38 VLF3010ST-220MR34 1 2.2 3.3 4.7 6.8 10 15 22 ±30 ±20 ±20 ±20 ±20 ±20 ±20 ±20 1 1 1 1 1 1 1 1 Rated current(A)∗ Based on inductance change max. 1.7 1.1 0.88 0.75 0.65 0.53 0.38 0.34 DC resistance(Ω) max. typ. 0.049 0.092 0.13 0.18 0.25 0.49 0.61 0.97 0.041 0.077 0.11 0.15 0.22 0.41 0.51 0.81 Based on temperature rise typ. 2.3 1.6 1.3 1.1 0.95 0.7 0.63 0.5 ∗ 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) VLF3010ST-2R2M1R1 1.0 2.5 0.8 2.0 Inductance(µH) Inductance(µH) TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS VLF3010ST-1R0N1R7 0.6 0.4 1.0 0.5 0.2 0.0 0.0 1.5 0.5 1.0 DC current (A) 1.5 2.0 0.0 0.0 0.2 0.4 0.6 0.8 DC current (A) 1.0 1.2 1.4 • 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 / 20080821 / e531_vlf3010s.fm (2/2) VLF3010ST-4R7MR75 4.0 6 3.5 5 3.0 Inductance(µH) Inductance(µH) TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS VLF3010ST-3R3MR88 2.5 2.0 1.5 1.0 0.0 0.0 0.2 0.4 0.6 DC current (A) 0.8 2 0 0.0 1.0 VLF3010ST-6R8MR65 0.2 0.4 0.6 DC current (A) 0.8 VLF3010ST-100MR53 7 12 6 10 Inductance(µH) Inductance(µH) 3 1 0.5 5 4 3 2 8 6 4 2 1 0 0.0 0.2 0.4 DC current (A) 0.6 0 0.0 0.8 VLF3010ST-150MR38 0.2 0.4 DC current (A) 0.6 VLF3010ST-220MR34 25 20 20 Inductance(µH) 15 Inductance(µH) 4 15 10 10 5 0 0.0 5 0.1 0.2 0.3 DC current (A) 0.4 0.5 0 0.0 0.1 0.2 0.3 DC current (A) 0.4 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. 002-03 / 20080821 / e531_vlf3010s.fm