(1/1) SMD Inductors(Coils) Conformity to RoHS Directive For Power Line(Wound, Magnetic Shielded) VLF Series VLF4014A FEATURES SHAPES AND DIMENSIONS (cid:127) Mount area: 3.5×3.7mm 3 Low profile: 1.4mm max. height 4 0. R ± (cid:127) Generic use for portable DC to DC converter line. 7 3.5 (cid:127) High magnetic shield construction should actualize high resolu- 3.7±0.3 1.4max. tion for EMC protection. (cid:127) Available for automatic mounting in tape and real package. Dimensions in mm (cid:127) The products contain no lead and also support lead-free soldering. RECOMMENDED PC BOARD PATTERN (cid:127) It is a product conforming to RoHS directive. 3 1. APPLICATIONS 2.9 Power souce inductor for mobile devices such as mobile phones, 4.7 Dimensions in mm HDDs, and DSCs ELECTRICAL CHARACTERISTICS DC resistance(Ω) Rated current(A)∗ Inductance Inductance Test frequency Part No. Based on inductance Based on temperature (µH) tolerance(%) (kHz) max. typ. change max. rise typ. VLF4014AT-4R7M1R1 4.7 ±20 100 0.16 0.14 1.2 1.1 VLF4014AT-100MR90 10 ±20 100 0.26 0.23 0.9 0.9 ∗ 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. TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS VLF4014AT-4R7M1R1 VLF4014AT-100MR90 6 14 5 12 )H 4 )H10 µ µ (e (e 8 nc 3 nc a a ct ct 6 u u nd 2 nd I I 4 1 2 0 0 0 200 400 600 800 1000 1200 1400 1600 0 200 400 600 800 1000 1200 DC current(mA) DC current(mA) TEST CIRCUIT C=20,000µF A L=0.1H 2 1 Sample 1: LCR meter 4285A=100kHz 2: DC constant current (cid:127) 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 / 20080629 / e531_vlf4014a.fm