SENDUST TOROIDAL POWER INDUCTORS FEATURES NOTES: Temp Rise T1 & T2 are calculated. 1) Ln = Nominal Ind. @ 0.0Adc L1 = Nominal Ind. @ I1 Adc, T1 Temp Rise L2 = Nominal Ind. @ I2 Adc, T2 Temp Rise 2) I1 Represents a 1-20% Drop in Ln I2 Represents a 20-40% Drop in Ln * Sendust Powdered Iron Toroidal Construction. * Optimized For Use as High Frequency DC Chokes. * Temp Rise Data: Ripple Currents < 10% @ 100KHz * Low Cost Self Lead Construction. * Lower AC Losses Than Normal Powdered iron ELECTRICAL SPECIFICATIONS AT 25OC - OPERATING TEMPERTURE RANGE -55OC TO +105OC DCR (Ohm) T2 T1 L1 @ I1 L2 @ I2 (dc A) (OC) (H) (dc A) (OC) (H) A VTK-01001 10 VTK-02001 20 VTK-05001 50 VTK-10001 100 VTK-15001 150 VTK-25001 250 0.024 0.030 0.054 0.102 0.091 0.171 10 18 42 82 127 210 1 1 1 1 1 1 12 9 10 12 6 9 8 13 31 57 96 154 2 2 2 2 2 2 47 36 39 46 24 33 VTK-01002 10 VTK-02002 20 VTK-05002 50 VTK-10002 100 VTK-15002 150 VTK-25002 250 0.008 0.012 0.032 0.043 0.053 0.053 9 17 37 79 117 205 2 2 2 2 2 2 6 5 17 9 8 5 7 12 22 53 80 150 4 4 4 4 4 4 VTK-01005 VTK-02005 VTK-05005 VTK-10005 VTK-15005 VTK-20005 VTK-30005 10 20 50 100 150 200 312 0.005 0.006 0.010 0.021 0.026 0.030 0.037 9 16 36 80 124 154 258 5 5 5 5 5 5 5 6 6 9 8 8 9 11 7 12 20 57 90 108 194 VTK-02007 20 VTK-05007 50 VTK-10007 100 VTK-15007 150 VTK-20007 200 0.004 0.010 0.013 0.020 0.025 18 41 78 128 168 7 7 7 7 7 5 8 8 7 8 VTK-05010 50 VTK-25010 250 0.006 0.027 40 167 10 10 VTK-07012 70 0.009 60 VTK-01025 12 0.0023 PART NUMBER Ln (H) 9.4 REF. DIMENSIONS IN INCHES C VT/B .31 .38 .48 .59 .76 .92 .16 .18 .21 .25 .32 .32 .14 .16 .19 .23 .30 .30 .29 .36 .46 .57 .74 .90 .014 .016 .016 .016 .020 .018 23 20 66 33 30 21 .51 .63 .60 .95 1.06 1.24 .24 .28 .26 .34 .40 .56 .21 .25 .24 .31 .36 .52 .48 .59 .58 .92 1.03 1.20 .025 .032 .0225 .0285 .0285 .032 10 10 10 10 10 10 10 22 22 36 33 30 35 32 1.00 .39 1.11 .45 1.11 .45 1.67 .57 1.85 .75 1.85 .75 2.18 1.00 .33 .39 .39 .51 .69 .69 .84 .94 1.05 1.05 1.61 1.79 1.79 2.10 .051 .051 .051 .051 .050 .051 .051 13 29 54 96 120 14 14 14 14 14 19 29 30 28 32 1.32 1.70 1.88 2.18 2.18 .63 .60 .78 .95 .95 .56 .53 .70 .86 .86 1.24 1.63 1.80 2.10 2.10 .064 .064 .064 .064 .064 7 26 33 122 16 16 18 50 1.91 .81 2.19 1.10 .72 .85 1.82 2.10 .064 .057 12 14 55 16 20 2.21 .98 .88 2.12 .080 25 26 30 32 2.25 .95 .75 1.85 .100 8.7 HT/B PIN OD VTK FOR VERTICAL, HTK FOR HORIZONTAL Specifications subject to change without notice. PM-DCXXXXX 9/2000 20381 BARENTS SEA CIRCLE, LAKE FOREST, CA 92630 TEL: (949) 452-0511 FAX: (949) 452-0512 http://www.premiermag.com 1 SENDUST TOROIDAL POWER INDUCTORS FEATURES NOTES: Temp Rise T1 & T2 are calculated. * Sendust Powdered Iron Toroidal Construction. * Optimized For Use as High Frequency DC Chokes. * Temp Rise Data: Ripple Currents < 10% @ 100KHz * Low Cost Self Lead Construction. * Lower AC Losses Than Normal Powdered iron 1) Ln = Nominal Ind. @ 0.0Adc L1 = Nominal Ind. @ I1 Adc, T1 Temp Rise L2 = Nominal Ind. @ I2 Adc, T2 Temp Rise 2) I1 Represents a 1-20% Drop in Ln I2 Represents a 20-40% Drop in Ln ELECTRICAL SPECIFICATIONS AT 25OC - OPERATING TEMPERTURE RANGE -55OC TO +105OC PART NUMBER VTK-00001 VTK-00002 VTK-00003 VTK-00004 VTK-00005 VTK-00006 VTK-00007 VTK-00008 VTK-00009 Ln (H) 10 25 50 75 100 150 200 250 330 Rate DCR L1 @ I1 T1 IDC (Ohm) (H) (dc A) (OC) 7.37 5.20 3.95 3.50 3.15 2.35 1.98 1.85 1.70 0.010 0.020 0.035 0.045 0.055 0.100 0.140 0.160 0.190 9.0 22.5 45.0 67.5 90.0 135.0 180.0 225.0 297.0 1.7 1.00 0.70 0.60 0.50 0.40 0.35 0.30 0.27 15 15 15 15 15 15 15 15 15 T2 L2 @ I2 (H) (dc A) (OC) A 8.0 20.0 40.0 60.0 80.0 120.0 160.0 200 264 3.3 1.9 1.3 1.1 0.95 0.75 0.65 0.60 0.50 40 40 40 40 40 35 35 35 35 .31 .38 .48 .59 .76 .92 .51 .63 .60 REF. DIMENSIONS IN INCHES C .16 .18 .21 .25 .32 .32 .24 .28 .26 VT/B .14 .16 .19 .23 .30 .30 .21 .25 .24 HT/B PIN OD .29 .36 .46 .57 .74 .90 .48 .59 .58 .036 .032 .028 .025 .025 .020 .018 .018 .018 VTK FOR VERTICAL, HTK FOR HORIZONTAL Specifications subject to change without notice. 20381 BARENTS SEA CIRCLE, LAKE FOREST, CA 92630 TEL: (949) 452-0511 FAX: (949) 452-0512 http://www.premiermag.com 2 SENDUST TOROIDAL POWER INDUCTORS FEATURES NOTES: Ln = Nominal Ind. @ 0.0Adc L1 = Nominal Ind. @ I1 Adc, T1 Temp Rise Ln & L1 = +/-15% * Sendust Powdered Iron Toroidal Construction. * Optimized For Use as High Frequency DC Chokes. * Low core loss * Low Cost Self Lead Construction. ELECTRICAL SPECIFICATIONS AT 25OC - OPERATING TEMPERTURE RANGE -55OC TO +105OC PART NUMBER Ln (H) I1 (dc A) L1 (H) XTK-00020 XTK-00021 XTK-00022 XTK-00023 XTK-00024 XTK-00025 XTK-00026 XTK-00027 XTK-00028 XTK-00029 XTK-00030 XTK-00031 XTK-00032 XTK-00033 XTK-00034 XTK-00035 XTK-00036 XTK-00037 XTK-00038 XTK-00039 XTK-00040 XTK-00041 XTK-00042 XTK-00043 XTK-00044 10 12 15 18 22 27 33 39 47 56 68 100 120 150 180 220 270 330 390 470 560 680 820 1000 1000 12.5 12.0 11.2 10.8 10.3 9.8 7.4 7.1 6.7 6.4 4.9 4.4 3.3 3.1 3.8 3.6 3.4 3.3 2.5 2.3 2.2 2.1 2.0 1.9 1.3 6.5 8.0 9.5 11.2 13.5 16.0 21.5 25.0 29.0 34.0 45.5 64.0 84.0 102.0 106.0 125.0 150.0 176.0 235.0 276.0 320.0 375.0 440.0 520.0 560.0 T1 (OC) 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 DCR (Ohm) 0.007 0.008 0.008 0.009 0.010 0.011 0.020 0.022 0.024 0.026 0.046 0.056 0.100 0.110 0.075 0.085 0.095 0.100 0.180 0.190 0.210 0.230 0.260 0.280 0.400 REF. DIMENSIONS IN INCHES A .95 .95 .95 .95 .95 .95 .95 .95 .95 .95 .95 .95 .95 .95 .95 .95 .95 .95 .95 .95 .95 .95 .95 .95 .86 C VT/B .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .45 .46 .46 .46 .46 .46 .46 .45 .45 .45 .45 .44 .44 .44 .44 .48 .48 .48 .48 .46 .46 .46 .49 .49 .49 .37 HT/B PIN OD .88 .88 .88 .88 .88 .88 .87 .87 .87 .87 .86 .86 .86 .86 .90 .90 .90 .90 .88 .88 .88 .91 .91 .91 .81 .053 .053 .053 .053 .053 .053 .042 .042 .042 .042 .034 .034 .027 .027 .034 .034 .034 .034 .027 .027 .027 .027 .027 .027 .022 VTK FOR VERTICAL, HTK FOR HORIZONTAL Specifications subject to change without notice. PM-DCXXXXX 9/2000 20381 BARENTS SEA CIRCLE, LAKE FOREST, CA 92630 TEL: (949) 452-0511 FAX: (949) 452-0512 http://www.premiermag.com 3 SENDUST TOROIDAL POWER INDUCTORS VTK-XXXX MECHANICAL HTK-XXXX MECHANICAL VTK-XXXXXOUTLINE VERTICAL MOUNT SCHEMATIC HTK-XXXXXOUTLINE HORIZONTAL MOUNT HORIZONTAL OR VERTICAL MOUNT: Table Part Numbers are Vertical Mount. Change the "V" to "H" for Horizontal Mount. Example: VTK-05001 = Vertical Mount 50uH, 1.0Adc HTK-05001 = Horizontal Mount 50uH, 1.0Adc EPOXY HOLDS WIRE EPOXY HOLDS WIRE A C A P VTK-XXXXX M STRIPPED & TINNED .01 TO .12 ABOVE SEATING PLANE P HTK-XXXXX M C B STRIPPED & TINNED .01 TO .12 ABOVE SEATING PLANE 0.5 TYP 0.5 TYP B SCHEMATIC APPLICATION D2 MUR610CT VTK/HTK-XXXX XXuH @ X.XA Vout DC C2 + 1000uF 35V SECONDARY R4 20.0K 1% + C3 R5 220uF 10.0K 1% 25V RTN VARIATIONS AVAILABLE. FOR INTERMEDIATE VALUES AND/ OR CUSTOM DESIGNS PLEASE CONSULT THE FACTORY. Specifications subject to change without notice. 20381 BARENTS SEA CIRCLE, LAKE FOREST, CA 92630 TEL: (949) 452-0511 FAX: (949) 452-0512 http://www.premiermag.com 4