Surface Mount Power Inductor ELECTRONICS INC. EPI BH44 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 Primary Specification Part Number EPI1L4143BH44 EPI2L2113BH44 Induct. (µH ± 15%) @ 0 Adc DCR (Ω Typ.) Induct. (µH 15%) @ Idc Idc (A) 2.1 3.1 .0027 .0040 1.4 2.2 14 11 Core Loss @ Vt1 @ Vt2 (mW) (mW) 36 46 Vt1 (V-µSec) 250 KHz Vt2 (V-µSec) 500 KHz 2.48 3.32 1.6 2.2 36 46 Temp.Rise @ Vt1 @ Vt2 °C (Typ.) °C (Typ.) 50 50 49 49 Schematic Package BH44 .650 Max. (16.51) Pin 1 I.D. PCA CSIXXXXXXBH44 D.C. .080 (2.03) .650 Max. (16.51) .490 (12.45) Pad Layout .570 (14.48) .400 Max. (10.16) *Seating Plane .570 (14.48) *Coil must clear Seating Plane by .010/0.25 Coplanarity : .005/.013 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. CSIXXXXXXBH44 Rev. 3 3/5/03 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com