SH50 Series • Inductors for National's 50kHz Simple SwitcherTM 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 THT versions • Manufactured in ISO-9001:2000, TS-16949:2002 and ISO-14001:2004 certified Talema facility • Meets lead free reflow level J-STD-020C • Fully RoHS compliant Electrical Specifications @ 25°C Test voltage between windings: 500 Vrms Operating temperature range: -40°C to +125°C Climatic Category: IEC68-1 40/125/56 Test frequency: Inductance measured @ 10kHz / 10mV Rated Current (IDC) LN (μH) Typical * LO (μH) ±20% No DC Load ET OP (V-μSec) Max. DCR (Ohms) Max. "C" "S" "T " SH50_-3.0-47 3.0 47 38 90 0.05 2 5 * SH50C-5.0-36 5.0 36 55 90 0.02 4 6 6 5 * 6A 6A 5 * 6A 6A 5 * Part Number Package SH50C-3.0-100 3.0 100 91 90 0.04 4 SH50_-2.0-150 2.0 150 130 90 0.10 4 SH50_-1.4-220 1.4 220 230 90 0.38 SH50_-1.4-176 1.4 220 176 90 0.14 SH50_-0.9-330 0.9 330 302 90 0.74 SH50_-0.9-267 0.9 330 267 90 0.18 3 SH50C-0.64-470 0.64 470 426 90 0.16 4 SH50_-0.85-680 0.85 680 657 90 1.25 SH50C-3.0-150 3.0 150 136 200 0.10 3 "B" 3.0 220 167 200 0.07 5 SH50C-3.0-330 3.0 330 292 200 0.15 5 SH50C-2.0-470 2.0 470 369 200 0.17 5 SH50C-1.3-680 1.3 680 562 200 0.20 5 SH50C-0.95-1000 0.95 1000 762 200 0.24 5 SH50B-0.62-1500 0.62 1500 1150 200 1.00 8 SH50B-0.42-2200 0.42 2200 1730 200 1.80 8 Notes: 1) Inductance will be typical for the IDC and ETOP values listed above. 2) No load Inductance measured at BOP maximum of 10 gauss (10mV @ 20kHz). 3) Simple SwitcherTM is a trademark of National Semiconductor Corporation. "V" 2 2 2 2 2 2 4 SH50C-3.0-220 * The previous SW "T" (size 5 - plate version) has been discontinued and replaced with a pin equivalent "Flat Mount" - Package SH50F, size 2. Dimensions on the following Mounting Styles page. "F" Ordering Key SH50 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 THE TALEMA GROUP • Magnetic Components for Universal Applications Mounting Styles • SH50 Series - Low Cost Toroidal Inductors Schematic TALEMA IN SH50V-XX-XXX Date Code 1 0.591 (15.0) 0.709 (18.0) 0.394 (10.0) 2 2.00 (5.1) Ø0.031 (Ø 0.80) 0.157±0.039 (4.0 ±1.0) Suggested Board Layout (Top Side View) 0.901 (22.9) 1 0.800 (20.3) 0.598 (15.2) Schematic 0.394 (10.0) 0.138±0.01 (3.5 ±0.3) 0.591 (15.0) 0.071 (1.80) 0.394 (10.0) 1 Talema IN Date Code SH50T-xx-xx 0.043 (1.10) D Schematic 0.591 0.69 (15.0) (17.5) 2 1 0.490 (12.5) 0.394 (10.0) 0.67 (17.0) Ø0.024 (Ø0.60) 2 D Suggested Board Layout (Top Side View) 0.055 (1.40) Type SH50T -Through Hole Mount B 1 Suggested Board Layout (Top Side View) E A 2 0.035 (0.90) 0.059 (1.50) C Suggested Board Layout (Top side view) Type SH50C - Clip Mount D X E E 0.047 (1.20) Type SH50S - Surface Mount Schematic Suggested Pad Layout A 1 Pad Width D 2 1/2 c E 1 Mounting Style S6 0.079 (2.00) Schematic 1 C Surface Coplanarity will be <0.005(0.13) Mounting Style "S" SMD Size Code "C" Vertical Clip Mount Size Code Dimensions - Inches ±0.010 (mm ±0.25 ) A B C D E S5 0.669 (17.0) 0.701 (17.8) 0.441 (11.2) 0.591 (15.0) 0.630 (16.0) S6 0.925 (23.5) 0.957 (24.3) 0.555 (14.1) 0.843 (21.4) 0.748 (19.0) SH6A 0.925 (23.5) 0.957 (24.3) 0.402 (10.2) 0.843 (21.4) 0.748 (19.0) 2 Dimensions - Inches ±0.010 (mm ±0.25) C D E X = Coil O.D. + C2 0.650 (16.5) 0.449 (11.4) 0.299 (7.60) 0.110 (2.80) C3 0.827 (21.0) 0.449 (11.4) 0.299 (7.60) 0.110 (2.80) C4 0.949 ((24.1) 0.598 (15.2) 0.449 (11.4) 0.110 (2.80) C5 1.252 (31.8) 0.701 (17.8) 0.500 (12.7) 0.130 (3.30) 2 D E D 0.138 (3.50) C S1 - S5 0.059 (1.50) Talema IN Date Code SH50S-xx-xx D 0.071 (1.80) E Ø 0.024 x 0.138 (Ø 0.60 x 3.50) B 0.043 (1.10) 1 0.157±0.039 (4.0 ±1.0) TALEMA IN SH50F-XX-XXX Date Code 0.598 (15.2) 0.094 (2.40) 1.10 (27.9) 1.45 (36.8) 0.709 (18.0) Type SH50F - Flat Mount - Size 2 1 2 0.591 0.071 (15.0) (1.80) 2 0.901 (22.9) 2 0.394 (10.0) 0.512 (13.0) 1.38 Max (35.0) TALEMA IN SWB-XX-XXX Date Code Suggested Board Layout (Top Side View) Type SH50V - Vertical Mount - Size 2 Type SH50B - Vertical Mount Mounting Style Size Code "T " T HT Dimensions - Inches ±0.010 (mm ±0.25 ) A B C D E T6 0.925 (23.5) 0.957 (24.3) 0.531 (13.5) 0.650 (16.51) 0.800 (20.32) TH6A 0.925 (23.5) 0.957 (24.3) 0.386 (9.8) 0.650 (16.51) 0.800 (20.32) Germany: Int.+4989-841 00-0 • Ireland: Int.+35 374 - 954 8666 • Czech Rep: Int.+420 377 - 338 351 • India: Int.+91 427 - 244 1325 http://www.talema-nuvotem.com (10-08) SH50