without current minimum inductance (?) @ 100 khz, 0.25v with rated bias current part number* dimension e - lead diameter weight (typ.) grams rated bias current (adc) dc resistance maximum (ohms) 0.020 0.022 0.025 0.028 0.020 0.022 0.025 0.028 0.032 0.036 0.040 0.020 0.022 0.025 0.028 0.032 0.036 0.040 0.026 0.028 0.032 0.036 0.040 0.045 0.026 0.028 0.032 0.036 0.040 0.045 3.6 3.6 3.6 3.6 5.4 5.4 5.4 5.4 5.4 5.4 5.4 11.7 11.7 11.7 11.7 11.7 11.7 11.7 20.3 20.3 20.3 20.3 20.3 20.3 40.5 40.5 40.5 40.5 40.5 40.5 0.045 0.031 0.024 0.016 0.079 0.058 0.041 0.030 0.020 0.014 0.011 0.108 0.087 0.060 0.043 0.029 0.021 0.015 0.096 0.068 0.045 0.033 0.023 0.017 0.139 0.106 0.074 0.049 0.040 0.024 2.8 3.4 4.0 4.8 2.8 3.4 4.0 4.8 5.7 6.8 8.1 2.8 3.4 4.0 4.8 5.7 6.8 8.1 4.0 4.8 5.7 6.8 8.1 9.7 4.0 4.8 5.7 6.8 8.1 9.7 12.72 9.82 7.75 5.22 29.00 23.77 16.13 12.27 9.50 6.75 4.80 57.99 41.59 33.05 26.63 18.79 13.56 10.23 74.04 58.05 42.00 31.60 22.79 18.11 153.00 113.00 84.00 61.90 48.00 35.30 18.85 14.75 12.30 8.06 47.70 35.48 27.16 21.65 16.76 12.50 8.86 89.50 71.10 54.81 43.30 33.15 24.31 18.64 128.00 107.50 80.75 65.04 47.70 38.07 253.00 197.00 154.00 116.00 93.00 70.05 physical parameters spst- 44 50 68 80 106 a (typ.) in. 0.625 0.700 0.875 0.975 1.300 mm 15.875 17.780 22.225 24.765 33.020 b (typ.) in. 0.350 0.475 0.475 0.625 0.725 mm 8.890 12.065 12.065 15.875 18.415 c (min.) in. 0.700 0.750 0.950 1.100 1.400 mm 17.780 19.050 24.130 27.940 35.560 d (ref.) in. 0.250 0.300 0.300 0.450 0.500 mm 6.350 7.620 7.620 11.430 12.700 dimension e ?see table mechanical con?uration vertical mount power toroid current rating 40? rise maximum over 20? ambient at rated current windings are single layer to maximize operating frequency and maximize board space marking part supplied unmarked; pre-printed label can be supplied upon request leads tinned leads extending above seating plane other values available upon request packaging bulk only series spst spst44-1 spst44-2 spst44-3 spst44-4 spst50-1 spst50-2 spst50-3 spst50-4 spst50-5 spst50-6 spst50-7 spst68-1 spst68-2 spst68-3 spst68-4 spst68-5 spst68-6 spst68-7 spst80-1 spst80-2 spst80-3 spst80-4 spst80-5 spst80-6 spst106-1 spst106-2 spst106-3 spst106-4 spst106-5 spst106-6 *complete part # must include series # plus the dash # for further surface ?ish information, refer to technical section of this catalog. spstxxxr spst high frequency switchmode power toroid series page 94 www . delevan . com e-mail: apisales@delevan . com 270 quaker rd., east aurora ny 14052 ? phone 716-652-3600 ? fax 716-652-4814 4/2005 power inductors
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