Surface Mount Power Inductor ELECTRONICS INC. EPI BSPH68 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 • 250 KHz & 500 KHz Switching Frequency Electrical Parameters @ 25° C Part Number Connection EPI1L1383BSPH68 EPI2L3273BSPH68 EPI3L2243BSPH68 Series Parallel Series Parallel Series Parallel DCR (Ω Typ.) .004 .001 .0090 .0023 .012 .003 Idc (A) Inductance (µH ± 15%) @ Idc Inductance (µH ± 15%) @ Odc Vt 1 (V-µsec.) @ 250 Khz Vt 2 (V-µsec.) @ 500 Khz 4.47 1.1 9.12 2.3 12.9 3.2 7.74 1.94 15.8 3.95 28.4 7.1 8.8 4.4 12.4 6.2 15.2 7.6 5.8 2.9 8.2 4.1 9.4 4.7 19 38 13.5 27 12 24 Temp. Rise (C° Typ.) @ Vt1 @ Vt2 56 56 63 63 54 54 56 56 63 63 54 54 Schematic 1 4 2 3 Note : 1) Core loss at ref. Vt1 & Vt2 = 124 mW. Package .155 (3.94) 1.220 Max. (30.99) 2 2 3 PCA EPIXXXXXXBSPH68 D.C. 1 1.00 Max. (25.40) 3 .400 (10.16) Suggested Pad Layout .600 (15.24) 1 4 4 1.097 (27.86) .500 Max. (12.70) 1.100 (27.94) .320 (8.13) 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. CSIXXXXXXBSPH68 Rev. - 7/18/02 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com