SLF7028T-470MR54-PF

(1/2) SMD Inductors(Coils) For Power Line(Wound, Magnetic Shielded) Conformity to RoHS Directive SLF Series SLF7028 FEATURES • The SLF series are characterized by low profile, low DC resistance, and high current handling capacities. • Because they are magnetically shielded, these parts can be used in high-density mounting configurations. • Flat bottom surface ensures secure, reliable mounting. • Provided in embossed carrier tape packaging for use with automatic mounting machines. PRODUCT IDENTIFICATION APPLICATIONS Portable telephones, personal computers, hard disk drives, and other electronic equipment. (3) Packaging style SLF 7028 T- 3R3 M 1R6 - PF (1) (2) (3) (4) (5) (6) (7) (1) Series name (2) Dimensions 7028 T 7.0× 7.0× 2.8mm (L× W× T) Taping(reel) (4) Inductance value SPECIFICATIONS Operating temperature range Storage temperature range –20 to +85°C [Including self-temperature rise] –40 to +85°C[Unit of products] 3R3 100 3.3µH 10µH (5) Inductance tolerance M ±20% RECOMMENDED REFLOW SOLDERING CONDITIONS (6) Rated current 5s 250±5˚C Natural cooling 230˚C 1R6 R88 1.6A 0.88A 30s (7) Lead-free compatible product PF 180˚C Lead-free compatible product 150˚C 120s Preheating PACKAGING STYLE AND QUANTITIES Packaging style Taping Quantity 1000 pieces/reel Time (s) • 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. 002-05 / 20070516 / e531_slf7028.fm (2/2) SHAPES AND DIMENSIONS/RECOMMENDED PC BOARD PATTERN 2.8±0.2 0.1typ. 4.9 1.5 2.2 1.5 Marking (Inductance code) 2±0.1 4.9typ. 470 7±0.2 7±0.2 (0.9) Winding start mark Weight: 0.4g Dimensions in mm ELECTRICAL CHARACTERISTICS Inductance (µH) 3.3 4.7 6.8 10 15 22 33 47 Inductance tolerance ±20% ±20% ±20% ±20% ±20% ±20% ±20% ±20% • Test equipment Test frequency L (kHz) 100 100 100 100 100 100 100 100 DC resistance (Ω)±20% 0.028 0.038 0.059 0.083 0.11 0.18 0.24 0.34 Rated current (A)max. 1.6 1.5 1.3 1.1 0.88 0.75 0.65 0.54 Part No. SLF7028T-3R3M1R6-PF SLF7028T-4R7M1R5-PF SLF7028T-6R8M1R3-PF SLF7028T-100M1R1-PF SLF7028T-150MR88-PF SLF7028T-220MR75-PF SLF7028T-330MR65-PF SLF7028T-470MR54-PF L: 4194A IMPEDANCE/GAIN-PHASE ANALYZER HP, or equivalent (Measured at 100kHz/0.5V) Rdc:MATSUSHITA,VP-2941A DIGITAL MILLIOHM METER, or equivalent 10000 Test circuit L=0.1H C=20000µF A DC 3000 Specimen YHP model-4275A or equivalent Universal bridge TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE CHANGE vs. DC SUPERPOSITION CHARACTERISTICS Inductance (µH) 1000 300 100 47µH 33µH 22µH 15µH 10µH 6.8µH 4.7µH 3.3µH 30 10 3 1 0.01 0.03 0.1 0.3 1 DC current (A) 3 10 • All specifications are subject to change without notice. 002-05 / 20070516 / e531_slf7028.fm