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| Thru-Hole Power Inductor ELECTRONICS INC. EPIXXXXXXAC5 & EPIXXXXXXAC5-LF * Optimized for National's LM257X 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 * 52 KHz Switching Frequency * Low Cost Inductor Primary Specification Part Number EPI221302AC5(-LF) EPI331302AC5(-LF) EPI471202AC5(-LF) EPI681132AC5(-LF) EPI102951AC5(-LF) National Semiconductor Chip LM257X-H220 LM257X-H330 LM257X-H470 LM257X-H680 LM257X-H1000 Induct. (H 20%) @ 0 Adc 260 437 542 757 1093 DCR ( Typ.) .090 .117 .210 .247 .297 Induct. (H 10%) @ Idc 220 330 470 680 1000 Idc (mA) 3000 3000 2000 1300 950 Core Loss @ Vt1 (mW) 510 280 210 150 110 Vt1 (V-Sec) 52 KHz 230.8 230.8 230.8 230.8 230.8 Temp.Rise @ Vt1 C (Typ.) 23 26 20 12 9 For no header version : add "V" for Vertical Mount and add "H" for Horizonal Mount Applications 7V-40V (60V for HV) Unregulated DC Input Feedback +Vin Cin + LM257X Vsw Output D1 1N5822 LX H + Cout +5V Regulated Output Load Gnd On/Off Package AC5V Pad Layout .700 Max. (19.78) 1.300 Max. (33.02) .500 (12.70) .060 O (1.52) Package AC5 Pad Layout .060 O (1.52) .500 (12.70) Package AC5H 1.300 Max. (33.02) 1.300 (33.02) .700 (19.78) .375 .125 (9.53 3.18) 1.100 (27.94) Pad Layout 1.300 Max. (33.02) 1.100 (27.94) 1.400 Max. (35.56) .375 .125 (9.53 3.18) .500 (12.70) Notes : 1. Lead Finish 2. Peak Solder Rating (for wave solder process Only) .625 (15.75) .110/.150 (2.79/3.81) .500 (12.70) EPIXXXXXXAC5-LF Hot Tin Dip (Sn) 260C 51 grams TBD pcs / tube .060 O (1.52) EPIXXXXXXAC5 SnPb 225C 51 grams (Tube) TBD pcs / tube 4. Weight 5. Packaging Information 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. CSIXXXXXXAC5 Rev. 4 7/27/06 FT TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com |
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