VLF3014AT-100MR59

(1/2) SMD Inductors(Coils) For Power Line(Wound, Magnetic Shielded) Conformity to RoHS Directive VLF Series VLF3014A 2.6±0.2 SHAPES AND DIMENSIONS 4R7 2.8±0.2 1.4max. Dimensions in mm RECOMMENDED PC BOARD PATTERN 1.2 FEATURES • Mount area: 2.6× 2.8mm 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. 2.1 3.4 APPLICATIONS Power souce inductor for mobile devices such as mobile phones, HDDs, and DSCs Dimensions in mm ELECTRICAL CHARACTERISTICS Part No. VLF3014AT-1R0N1R8 VLF3014AT-2R2M1R2 VLF3014AT-3R3M1R0 VLF3014AT-4R7MR90 VLF3014AT-6R8MR72 VLF3014AT-100MR59 VLF3014AT-220MR37 Inductance Inductance [at 1/2 Idc1]∗4 tolerance(%) (µH) Test frequency (kHz) 1 2.2 3.3 4.7 6.8 10 22 100 100 100 100 100 100 100 ±30 ±20 ±20 ±20 ±20 ±20 ±20 DC resistance(Ω) max. typ. 0.048 0.1 0.15 0.2 0.31 0.46 1.20 0.042 0.091 0.13 0.17 0.27 0.4 1 Rated current(A) Based on inductance change Idc1 max.∗1 2.5 1.7 1.3 1.2 1 0.8 0.52 Based on temperature rise Idc2 typ.∗2 1.8 1.2 1 0.9 0.72 0.59 0.37 Based on inductance change Idc3 typ.∗3 2.5 1.6 1.1 0.8 0.78 0.65 0.43 ∗1 Rated current based on inductance variation: Current when inductance decreases by 30% of the initial value due to direct current superimposed characteristics ∗2 Rated current based on increasing product temperature: Current when temperature of the product reaches +40°C ∗3 Rated current based on inductance variation: Current when inductance decreases by 10% of the initial value due to direct current superimposed characteristics ∗4 Inductance is at 1/2 Idc1 power distribution. The L vaule at 0A is higher than the guaranteed performance. • Operating temperature range: –40 to +105°C (Including self-temperature rise) VLF3014AT-2R2M1R2 1.4 3.0 1.2 2.5 Inductance(µH) Inductance(µH) TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS VLF3014AT-1R0N1R8 1.0 0.8 0.6 0.4 1.5 1.0 0.5 0.2 0.0 0.0 2.0 0.5 1.0 1.5 2.0 DC current (A) 2.5 3.0 0.0 0.0 0.5 1.0 DC current (A) 1.5 2.0 • 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. 002-04 / 20080821 / e531_vlf3014a.fm (2/2) TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS VLF3014AT-3R3M1R0 VLF3014AT-4R7MR90 4 7 Inductance(µH) Inductance(µH) 6 3 2 1 5 4 3 2 1 0 0.0 0.2 0.4 0.6 0.8 1.0 DC current (A) 1.2 1.4 0 0.0 1.6 VLF3014AT-6R8MR72 0.4 0.6 0.8 DC current (A) 1.0 1.2 1.4 VLF3014AT-100MR59 12 8 10 Inductance(µH) 10 Inductance(µH) 0.2 6 4 2 8 6 4 2 0 0.0 0.2 0.4 0.6 0.8 DC current (A) 1.0 1.2 0 0.0 0.2 0.4 0.6 DC current (A) 0.8 1.0 VLF3014AT-220MR37 30 Inductance(µH) 25 20 15 10 5 0 0.0 0.1 0.2 0.3 0.4 DC current (A) 0.5 0.6 TEST CIRCUIT C=20,000µF A 2 L=0.1H Sample 1 1: LCR meter 4285A f=100kHz 2: DC constant current • All specifications are subject to change without notice. 002-04 / 20080821 / e531_vlf3014a.fm