SW260 Series * Inductors for National's 260kHz Simple SwitcherTM Compatible with National Semiconductor's Simple SwitcherTM Part Numbers LM267X-L41 and LM267X-L45 through LM267X-L50 Talema IN Date Code SW260S-xx-xx Talema IN Date Code SW260S-xx-xx Features * High energy storage with minimum saturation * High stability from no load to full load * Available in both SMD and THT versions * Manufactured in ISO-9001:2000 approved facility * Operating temperature range: -40C to +130C Electrical Specifications at 25C ambient National Part Number Part Number Rated Current (IDC) lnductance (H) 20% ET OP (V-Sec) Max. @ 260kHz Package Size DCR Nominal (mOhm) Package Code Lead Dia. (mm) SW260C-4.9-23 LM267X-L41 4.9 22.8 23.3 36 C3 0.80 SW260C-4.3-10 LM267X-L45 4.3 10.2 10.0 26 C1 0.75 SW260C-5.0-15 LM267X-L46 5.0 14.8 17.0 23 C2 0.80 SW260C-5.0-10 LM267X-L47 5.0 10 13.0 25 C2 0.75 SW260C-5.0-50 LM267X-L48 5.0 50 40.0 50 C4 0.90 SW260C-5.0-33 LM267X-L49 5.0 33 36.0 47 C4 0.80 SW260C-5.0-23 LM267X-L50 5.0 23 24.0 26 C3 0.80 SW260S-4.9-23 LM267X-L41 4.9 22.8 23.3 36 S6 SW260S-4.3-10 LM267X-L45 4.3 10 10.0 26 S4 SW260S-5.0-15 LM267X-L46 5.0 15 17.0 27 S5 SW260S-5.0-10 LM267X-L47 5.0 11 13.0 25 S5 SW260S-5.0-50 LM267X-L48 5.0 52* 40.0 25 S7 SW260S-5.0-33 LM267X-L49 5.0 36* 36.0 19 S7 SW260S-5.0-23 LM267X-L50 5.0 24.7* 24.0 13 S7 * Note: Series connection with pins 2 - 4 connected Type SW260C - Clip Mount Part Number Size Code Dimensions - Inches 0.01 (mm 0.25) C D E Coil OD X = Coil OD + 0.340 (8.64) 0.220 (5.58) 0.605 (15.40) 0.110 (2.80) SW260C-4.3-10 C1 0.580 (14.73) SW260C-5.0-15 C2 0.650 (16.50) 0.449 (11.40) 0.299 (7.60) 0.640 (16.26) 0.110 (2.80) SW260-5.0-10 C2 0.650 (16.50) 0.449 (11.40) 0.299 (7.60) 0.590 (15.00) 0.110 (2.80) SW260C-4.9-23 SW260C-5.0-23 C3 0.827 (21.00) 0.449 (11.40) 0.299 (7.60) 0.840 (21.34) 0.110 (2.80) SW260C-5.0-50 SW260C-5.0-33 C4 0.949 ((24.10) 0.598 (15.20) 0.449 (11.40) 1.240 (31.50) 0.110 (2.80) X 1/2 c E D 0.138 (3.50) C Suggested Pad Layout Schematic 1 E 0.071 (1.80) 0.047 (1.20) 2 Talema Electronic * 101 West 10th Street * Rolla, MO 65401 * (573) 364-2422 * Fax: (573) 364-5390 www.talema.com * Email: sales@talema.com (09-03) SW260 Series Mounting Styles * SW260 Series * Low Cost Toroidal Inductors Type SW260S - Surface Mount B 1 D A Pad Width S6 S4 - S5 0.079 0.059 (2.00) (1.50) Talema IN Date Code SW260S-xx-xx D Suggested Pad Layout S-7 Suggested Pad Layout S-4, S-5, S-6 E 1.220 (30.99) 2 Talema IN Date Code SW260S-xx-xx 4 1.100 1.100 (27.90) (27.90) 4x 0.600 15.24 3 1.063 (27.00) Suggested Pad Layout 0.150 x 0.400 (3.81) x (10.16) Schematic Schematic 0.500 (12.70) 1 4 3 1 2 C Surface Coplanarity will be <0.005(0.13) Mounting Style Size Code "S" SMD 1.000 (25.40) 2 D Surface Coplanarity will be <0.005(0.13) Dimensions - Inches 0.010 (mm 0.25) A B C D E S4 0.591 (15.0) 0.591 (15.0) 0.315 (8.00) 0.508 (12.9) 0.551 (14.0) S5 0.669 (17.0) 0.701 (17.8) 0.390 (9.91) 0.591 (15.0) 0.591 (15.0) S6 0.925 (23.5) 0.925 (23.5) 0.496 (12.6) 0.827 (21.0) 0.689 (17.5) SW260 Series Cross Reference for National's 260kHz Simple SwitcherTM Pulse Engineering - Talema Pulse Part Number L (H) 20% Clip - SMD IDC (Amps) Clip Mount (T HT ) SMD Talema Part Number Clip Mount SMD National Part Number P0841 P0841S LM267X-L41 22.8 - 23 4.9 SW260C-4.9-23 SW260S-4.9-23 P0845 P0845S LM267X-L45 10.2 - 10 4.3 SW260C-4.3-10 SW260S-4.3-10 P0846 P0846S LM267X-L46 14.8 - 15 5.0 SW260C-5.0-15 SW260S-5.0-15 P0847 P0847S LM267X-L47 10 - 11 5.0 SW260C-5.0-10 SW260S-5.0-10 P0848 P0848S LM267X-L48 50 - 52 5.0 SW260C-5.0-50 SW260S-5.0-50 P0849 P0849S LM267X-L49 33 - 36 5.0 SW260C-5.0-33 SW260S-5.0-33 P0850 P0850S LM267X-L50 23 - 24.7 5.0 SW260C-5.0-23 SW260S-5.0-23 THE TALEMA GROUP * Magnetic Components for ISDN / xDSL / LAN Data Communications