SWC-2.0-470

SW Series • Inductors for National's 50kHz Simple Switcher TM Compatible with National Semiconductor's Simple SwitcherTM Part Number's LM2574, LM2475 and LM2576 Features • • • • • High energy storage with minimum saturation High stability from no load to full load Available in both SMD and TH versions Manufactured in ISO-9001 approved facility Operating temperature range: -40°C to +125°C Electrical Specifications at 25°C ambient Rated Current (IDC) LN (µH) Typical * LO (µH) ± 20% N o D C L o ad ETOP (V-µSec) Max. DCR (Ohms) Max. "C" "S" " T" SW_-3.0-47 3.0 47 38 90 0.05 2 5 5 SWC-3.0-68 3.0 68 55 90 0.02 4 SWC-3.0-100 3.0 100 91 90 0.04 4 SW_-2.0-150 2.0 150 130 90 0.10 4 6 3 6 6 Part Number SW_-1.4-220 1.4 220 230 90 0.38 SW_-1.4-220 1.4 220 176 90 0.14 P ackag e 5 SW_-0.9-330 0.9 330 302 90 0.74 SW_-0.9-330 0.9 330 267 90 0.18 3 5 SWC-0.64-470 0.64 470 426 90 0.16 4 SW_-0.85-680 0.85 680 657 90 1.25 SWC-3.0-150 3.0 150 136 200 0.10 5 " F" "V" 5 2 2 5 2 2 5 2 2 4 SWC-3.0-220 3.0 220 167 200 0.07 5 SWC-3.0-330 3.0 330 292 200 0.15 5 SWC-2.0-470 2.0 470 369 200 0.17 5 SWC-1.3-680 "B" 1.3 680 562 200 0.20 5 SWC-0.95-1000 0.95 1000 762 200 0.24 5 SWB-0.62-1500 0.62 1500 1150 200 1.00 8 SWB-0.42-2200 0.42 2200 1730 200 1.80 8 Notes: 1) Inductance will be typical for theDCI and ETOP values listed above. 2) No load Inductance will be measured @ 20kHz, 10mVrms. Simple SwitcherTM is a trademark of National 3) Semiconductor Corporation. Ordering Key SW C - 3.0 - 47 Inductance Value in µH Current Rating (Amps) Mounting Style - Specify the appropriate suffix C = Clip Mount S = Surface Mount (S5 or S6) T = Low Profile TH Mount B = Base Mount F = Flat Encapsulated V = Vertical Encapsulated Basic Series Designation AMGIS, LLC * 10830 Kinghurst Dr. Houston, TX 77099 Phone: 832-775-1319 * Fax: 281-933-9067* email: sales@amgistoroids.com Toll Free: 877-762-6447 * www.amgistoroids.com Mounting Styles • SW Series • Low Cost Toroidal Inductors Type "B" - Vertical Mount Type "V" - Vertical Mount - Size 2 AMGIS SWV-XX-XXX Date Code Schematic 1.38 Max (35.0) 0.394 (10.0) 1 0.031 (Ø 0.80) AMGIS 2 SWB-XX-XXX Date Code 2.00 (5.1) Suggested Pad Layout 1 0.591 (15.0) 0.071 (1.80) 0.80 (20.3) 0.598 (15.2) 0.709 18.0 Type "F" - Flat Mount - Size 2 0.055 (1.40) 1.10 (27.9) 1.45 (36.8) 0.043 (1.10) 0.394 (10.0) 0.598 (15.2) 0.094 (2.40) 2 2 0.512 (13.0) 0.901 (22.9) 1 AMGIS SWF-XX-XXX Date Code Type SWT -Through Hole Mount Suggested Pad Layout (Top Side View) 2 0.600 (15.24) AMGIS 0.600 (15.24) 0.157±0.039 (4.0 ±1.0) 0.591 (15.0) 0.901 (22.9) 0.157±0.039 (4.0 ±1.0) 0.701 (17.8) Suggested Pad Layout (Top Side View) 0.709 (18.0) Date Code SWT-xxx-xx 0.422 (10.71) 0.591 (15.0) 0.071 (1.80) 0.043 (1.10) 0.600 (15.24) 0.138 3.50 0.394 (10.0) 0.138±0.01 (3.5 ±0.3) 0.394 (10.0) 0.400 (10.16) 1 0.400 (10.16) 0.669 (17.0) 0.394 (10.0) 0.67 (17.0) 0.024 x 0.035 (0.60 x 0.88) Suggested Pad Layout (Top Side View) 0.49 (12.5) 0.591 0.69 (15.0) (17.5) 0.059 (1.50) 0.035 (0.90) Type SWS - Surface Mount B D Type SWC - Clip Mount D A Schematic Pad Width S6 S1 - S5 0.079 0.059 (2.00) (1.50) AMGIS 1 X E Date Code SWS-xxx-xx Suggested Pad Layout Schematic 1/2 c 1 C 2 Mounting Style 2 Suggested Pad Layout 0.071 E (1.80) E D 0.138 (3.50) 0.047 (1.20) C Surface Coplanarity will be