Surface Mount Power Inductor ELECTRONICS INC. EPI B37F & EPI B37F-LF Series • Low loss material ensures operation in high frequency switching converters, such as Buck, Boost or as output averaging filter inductor • Also suitable for use in high quality filter applications • Add “-LF” after part number for Lead-Free • Up to 1 MHz Switching Frequency • UL 94V-0 Recognized Materials Electrical Parameters @ 25° C Part Number Inductance (µH ± 15%) @ 0 Adc EPI100402B37F(-LF) EPI150322B37F(-LF) EPI250252B37F(-LF) EPI560172B37F(-LF) EPI820142B37F(-LF) EPI101132B37F(-LF) EPI151102B37F(-LF) EPI221811B37F(-LF) EPI331651B37F(-LF) EPI471531B37F(-LF) 10.4 14.6 24.9 56.0 82.6 99.4 151.7 219.3 330.6 470.9 DCR (Ω Typ.) Idc (Amps) Inductance (µH ± 15%) @ Idc Vt (V-µsec) @ 265 KHz Temp. Rise @ Idc (°C Typ.) 9.2 13.4 23 50 75 90 135 198 308 448 18.9 22.3 29.1 43.8 53.3 58.2 71.7 86.8 105.7 126.5 50 47 48 52 53 60 57 47 47 46 .020 4.0 .028 3.2 .048 2.5 .115 1.7 .172 1.4 .235 1.3 .371 1.0 .446 .81 .691 .65 1.021 .53 • Core Loss @ Vt : 25 mW • Package .500 Max. (12.70) PCA EPIXXXXXB37F(-LF) D.C. .060 (1.52) .500 Max. (12.70 .500 (12.70) Suggested Pad Latout .395 (10.03 .215 Max. (5.46) .395 (10.03) Note: Coplanarity within .005” Max. EPIXXXXXXB37F EPIXXXXXXB37F-LF 1. Lead Finish Notes : SnPb Hot Tin Dip (Sn) or (SnCu) 2. Peak Solder Rating 225°C 260°C (for wave solder process Only) 3. Weight 4. Packaging Information (Tray) TBD grams TBD grams TBD pcs / tray TBD pcs / tray Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25 PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 Product performance is limited to specified parameters. Data is subject to change without prior notice. CSIXXXXXXB37F & -LF Rev. 4 6/30/08 RR TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com