INDUCTORS DESIGNED FOR NATIONAL’S 260 kHz SIMPLE SWITCHER™ Tested and recommended by National Semiconductor for the LM267X series Base material meets flammability requirements of UL 94V-0 Available in surface mount and through hole versions Electrical Specifications @ 25°C— Operating Temperature -40° to +130° C In Circuit Operating Parameters 1 Pulse THT Part Pulse SMT Part National Part Number Number Number P0841 P0845 P0846 P0847 P0848 P0849 P0850 — — — — — — — — — — — — — — P0841S P0845S P0846S P0847S P0848S P0849S P0850S LM267X-L41 LM267X-L45 LM267X-L46 LM267X-L47 LM267X-L48 LM267X-L49 LM267X-L50 LM267X-L41 LM267X-L45 LM267X-L46 LM267X-L47 LM267X-L48 LM267X-L49 LM267X-L50 Notes : Nominal Inductance Rated Current Max 2 ETOP (µH) 22.8 10.2 14.8 10 50 33 23 22.8 10 15 11 52 36 24.7 (ADC) 4.9 4.3 5.0 5.0 5.0 5.0 5.0 4.9 4.3 5.0 5.0 5.0 5.0 5.0 (V-µSec) 23.3 10.0 17.0 13.0 40.0 36.0 24.0 23.3 10.0 17.0 13.0 40.0 36.0 24.0 1. Inductance values may vary ±20%. 2. ETop rated at 260 kHz. Nominal DCR (Ω) .036 .026 .023 .025 .050 .047 .026 .036 .050 .027 .025 .025 .019 .013 Package Through Surface Hole KM-30 KM-1.1 KM-2.1 KM-20 KM-40 KM-40 KM-30 — — — — — — — Mount — — — — — — — HCI-68 LCI-44 LCI-50 LCI-50 Bigfoot Bigfoot Bigfoot 3. SIMPLE SWITCHER™ is a trademark of National Semiconductor Corporation. .060 1,52 KlipMount Series .035 0,89 PKG KM-1.1 KM-2.0 KM-2.1 KM-3.0 KM-4.0 A .350 8,89 .450 11,43 .460 11,69 .450 11,43 .600 15,24 B .580 14,74 .650 21,08 .670 17,02 .830 21,09 .950 24,13 C .715 18,17 .700 17,78 .750 19,05 .950 24,13 1.350 34,29 D .290 7,37 .325 8,26 .335 8,51 .415 10,55 .475 12,07 E .110 2,80 .150 3,81 .150 3,81 .150 3,81 .225 5,72 F .130 3,31 .130 3,31 .130 3,31 .130 3,31 .130 3,31 2E SUGGESTED PAD LAYOUT C MAX PE-XXXXX DATE CODE COUNTRY OF ORIGIN .020 F ± 0,51 Dimensions: Inches mm Unless otherwise specified, all tolerances are ± .010 0,25 D TYP B± .005 0,13 E TYP 2E A ± .005 0,13 US 858 674 8100 • UK 44 1483 401 700 • France 33 3 84 35 04 04 • Singapore 65 287 8998 • Taiwan 886 2 2698 0228 • Hong Kong 852 2788 6588 • http://www.pulseeng.com PC500.B (5/02) 60 INDUCTORS DESIGNED FOR NATIONAL’S 260 kHz SIMPLE SWITCHER™ Mechanicals LCI Series F A MAX PKG 2X .060 1,52 PE-XXXXX U.S. PAT 53091 30 A B C D LCI-44 .600 15,24 .620 15,75 .390 9,91 .500 12,70 .550 .510 13,97 12,95 LCI-50 .670 17,02 .700 17,78 .390 9,91 .580 14,74 .620 .590 15,75 14,99 E E F DATE CODE COUNTRY OF ORIGIN Note: Coil must clear seating plane by .010 MIN 0,25 Dimensions: Inches mm Unless otherwise specified, all tolerances are ± .010 0,25 R SUGGESTED PAD LAYOUT C MAX SEATING PLANE D ±.015 0,38 B MAX .005/0,13 4 SURFACES Notes: 1. Dimension “D” is measured across terminal blocks only. 2. Coil must clear seating plane by .010 MIN. 0,25 HCI-68 Bigfoot 1.097 27,86 2 .940 MAX 23,87 .830 .005 ± 21,08 0,13 3 Date Code Country of Origin 1 PE-XXXXX DATE CODE COUNTRY OF ORIGIN U.S. PAT. 5309130 3 4 1 .155 3,94 .700 .005 ± 17,78 0,13 .940 MAX 23,87 4 SUGGESTED PAD LAYOUT 1.220 MAX 30,99 .500 MAX 12,70 R SUGGESTED PAD LAYOUT 1.100 27,94 .400 MAX 10,16 4X .820 .015 ± 20,83 0,38 .006/0,15 4 SURFACES .320 ± .020 8,13 ± 0,51 SEATING PLANE .005/0,13 2 SURFACES .400 10,16 .600 15,24 P0XXX .080 .005 ± 2X 2,03 0,13 2 .600 15,24 1 4 2 3 1.000 25,40 SCHEMATIC US 858 674 8100 • UK 44 1483 401 700 • France 33 3 84 35 04 04 • Singapore 65 287 8998 • Taiwan 886 2 2698 0228 • Hong Kong 852 2788 6588 • http://www.pulseeng.com 61 PC500.B (5/02)