HALOGEN Shielded Power Inductors HF Pb SD8350 Series FREE Applications Server/notebook power High power LED driver, portable devices Base station, telecom, and networking Battery chargers, RAM power supply Industrial and automotive power systems Noise filtering output filter chokes Buck/boost converters, output converters Environmental Data Storage temperature range: -40C to +125C Operating temperature range: -40C to +125C (ambient plus self temperature rise) SMD Device Solder reflow temperature: J-STD-020D compliant Packaging Description Supplied in tape and reel packaging, 750 parts per 13 inch dia. reel Halogen free, lead free 125C maximum total temperature operation Low-profile surface mount inductor 9.5 x 8.3 x 4.5mm shielded drum core Ferrite core material Inductance range from 1.5H to 100H Current range from 0.8 Amps to 9.1 Amps Frequency range up to 1MHz RoHS Compliant Product Specifications 1 2 3 Rated OCL I I DCR m DCR m rms sat 4 Part Number Inductance (H) H30% (Amps) (Amps) 20C Typical 20C Maximum K-factor SD8350-1R8-R 1.8 1.5 5.50 9.1 11.8 14.0 16.0 SD8350-3R9-R 3.9 3.2 4.50 6.3 16.2 19.0 9.6 SD8350-4R7-R 4.7 4.2 4.10 5.5 18.5 22.0 8.5 SD8350-6R8-R 6.8 6.8 3.90 4.4 20.8 25.0 7.6 SD8350-100-R 10 9.9 3.20 4.0 31.4 36.0 6.3 SD8350-150-R 15 13.6 2.30 2.9 45.0 53.0 5.3 SD8350-220-R 22 20.4 1.80 2.6 63.5 75.0 4.4 SD8350-330-R 33 31.4 1.40 2.2 111.4 125.0 3.5 SD8350-470-R 47 44.9 1.30 1.8 130.0 150.0 2.9 SD8350-680-R 68 65.1 1.00 1.5 200.8 240.0 2.4 SD8350-101-R 100 99.7 0.80 1.3 308.0 360.0 2.0 1. Open Circuit Inductance Test Parameters: 100kHz, 0.1V, 0.0Adc. 4. K-factor: Used to determine B for core loss (see graph). p-p 2. I : DC current for an approximate T of 40C without core loss. Derating is necessary for AC B = K*L*I, B (mT), K: (K factor from table), L: (Inductance in H), rms p-p p-p currents. PCB layout, trace thickness and width, air-flow, and proximity of other heat generating I (Peak to peak ripple current in Amps). components will affect the temperature rise. It is recommended that the temperature of the part 5. Part Number Definition: SD8350-xxx-R not exceed 125C under worst case operating conditions verified in the end application. SD8350 = Product code and size -xxx = Inductance value in H 3. I Amps peak for approximately 35% rolloff ( 25C) R = decimal point If no R is present, third character = of zeros. sat -R suffix = RoHS compliant 0911 BU-SB111111 Page 1 of 4 Data Sheet: PM-4146DDiimmeennssiioonnss -- mmmm RECOMMENDED PCB LAYOUT SCHEMATIC TOP VIEW FRONT VIEW BOTTOM VIEW 8.3 max. 2.5 2.9 1 1 4.5 max. 1.2 1.8 6.3 9.5 max. LEFT VIEW 5.7 XXX 2 wwlly R 2 Part Marking: Coiltronics logo xxx = Inductance value in H. (R = Decimal point). If no R is present, third character = number of zeros wwlly - or - wwllyy = Date code R = Revision level Packaging Information - mm Supplied in tape-and-reel packaging, 750 parts per reel, 13 diameter reel. Temperature Rise vs.Total Loss 140 120 100 80 60 40 20 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 Total Loss (W) 0911 BU-SB111111 Page 2 of 4 Data Sheet: PM-4146 Temperature Rise (C)