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NPF Series

NPF Series Characteristic
  • 6.5% silicon iron distributed gapped powder core
  • Good temperature stability
  • Lower losses than powder iron magnetic cores
  • Excellent DC Bias performance
  • High saturation flux density
  • Applications
  • Core Loss Curves
  • Temp.Curves
  • Frequency Curves
  • DC Bias
  • Specification
NPF series products:

Characteristics:
6.5% silicon iron alloy with distributed air gap, High saturation flux density, Excellent DC Bias performance, Lower loss than iron core,
Good temperature stabilization

Applications:
PFC choke for communication,,PFC choke for server power supply,PFC choke for UPS,Switching regulator inductor,INV Choke for PV Inverter ,
Output choke for general industrial power supply,EMI filter

Specifications:
Poco is able to customize the design to meet customers’ requirements.

NPF 26μ,40μ磁损曲线



NPF 60μ, 75μ, 90μ,磁损曲线



Temp.Curves

Frequency Curves
DC Bias


Part Number AL ±8% Permeability Before coating                After coating Sample request PDF
Outer dimension Inner dimension Height Outer dimension Inner dimension Height
(mm/inch) (mm/inch) (mm/inch) (mm/inch) (mm/inch) (mm/inch)
max min max max min max
NPF401090 164 90 101.60 57.15 16.51 102.87 55.75 17.78 Apply now
NPF401075 137 75 101.60 57.15 16.51 102.87 55.75 17.78 Apply now
NPF401060 112 60 101.60 57.15 16.51 102.87 55.75 17.78 Apply now
NPF401040 72.9 40 101.60 57.15 16.51 102.87 55.75 17.78 Apply now
NPF401026 47.4 26 101.60 57.15 16.51 102.87 55.75 17.78 Apply now
NPF400090 139 90 101.60 57.15 13.59 102.87 55.75 14.86 Apply now
NPF400075 115 75 101.60 57.15 13.59 102.87 55.75 14.86 Apply now
NPF400060 92.3 60 101.60 57.15 13.59 102.87 55.75 14.86 Apply now
NPF400040 61.5 40 101.60 57.15 13.59 102.87 55.75 14.86 Apply now
NPF400026 40 26 101.60 57.15 13.59 102.87 55.75 14.86 Apply now
NPF306090 128 90 77.80 49.23 15.88 78.94 47.96 17.15 Apply now
NPF306075 107 75 77.80 49.23 15.88 78.94 47.96 17.15 Apply now
NPF306060 85 60 77.80 49.23 15.88 78.94 47.96 17.15 Apply now
NPF306040 57 40 77.80 49.23 15.88 78.94 47.96 17.15 Apply now
NPF306026 37 26 77.80 49.23 15.88 78.94 47.96 17.15 Apply now
NPF300090 102 90 77.80 49.23 12.70 78.94 47.96 13.97 Apply now
NPF300075 85 75 77.80 49.23 12.70 78.94 47.96 13.97 Apply now
NPF300060 68 60 77.80 49.23 12.70 78.94 47.96 13.97 Apply now
NPF300040 45 40 77.80 49.23 12.70 78.94 47.96 13.97 Apply now
NPF300026 30 26 77.80 49.23 12.70 78.94 47.96 13.97 Apply now
NPF250090 288 90 62.00 32.60 25.00 63.09 31.37 26.26 Apply now
NPF250075 240 75 62.00 32.60 25.00 63.09 31.37 26.26 Apply now
NPF250060 192 60 62.00 32.60 25.00 63.09 31.37 26.26 Apply now
NPF250040 128 40 62.00 32.60 25.00 63.09 31.37 26.26 Apply now
NPF250026 83 26 62.00 32.60 25.00 63.09 31.37 26.26 Apply now
NPF226090 207 90 57.15 26.39 15.24 58.04 25.58 16.13 Apply now
NPF226075 172 75 57.15 26.39 15.24 58.04 25.58 16.13 Apply now
NPF226060 138 60 57.15 26.39 15.24 58.04 25.58 16.13 Apply now
NPF226040 92 40 57.15 26.39 15.24 58.04 25.58 16.13 Apply now
NPF226026 60 26 57.15 26.39 15.24 58.04 25.58 16.13 Apply now
NPF225090 112 90 57.15 35.56 13.97 58.04 34.75 14.86 Apply now
NPF225075 94 75 57.15 35.56 13.97 58.04 34.75 14.86 Apply now
NPF225060 75 60 57.15 35.56 13.97 58.04 34.75 14.86 Apply now
NPF225040 50 40 57.15 35.56 13.97 58.04 34.75 14.86 Apply now
NPF225026 33 26 57.15 35.56 13.97 58.04 34.75 14.86 Apply now
NPF200090 109 90 50.80 31.75 13.46 51.69 30.94 14.35 Apply now
NPF200075 91 75 50.80 31.75 13.46 51.69 30.94 14.35 Apply now
NPF200060 73 60 50.80 31.75 13.46 51.69 30.94 14.35 Apply now
NPF200040 49 40 50.80 31.75 13.46 51.69 30.94 14.35 Apply now
NPF200026 32 26 50.80 31.75 13.46 51.69 30.94 14.35 Apply now
NPF185090 128 90 46.74 28.70 15.24 47.60 27.89 16.13 Apply now
NPF185075 107 75 46.74 28.70 15.24 47.60 27.89 16.13 Apply now
NPF185060 86 60 46.74 28.70 15.24 47.60 27.89 16.13 Apply now
NPF185040 57 40 46.74 28.70 15.24 47.60 27.89 16.13 Apply now
NPF185026 37 26 46.74 28.70 15.24 47.60 27.89 16.13 Apply now
NPF184090 202 90 46.74 24.13 18.03 47.63 23.32 18.92 Apply now
NPF184075 169 75 46.74 24.13 18.03 47.63 23.32 18.92 Apply now
NPF184060 135 60 46.74 24.13 18.03 47.63 23.32 18.92 Apply now
NPF184040 90 40 46.74 24.13 18.03 47.63 23.32 18.92 Apply now
NPF184026 59 26 46.74 24.13 18.03 47.63 23.32 18.92 Apply now
NPF158090 183 90 40.13 22.08 17.00 40.94 21.27 17.89 Apply now
NPF158075 153 75 40.13 22.08 17.00 40.94 21.27 17.89 Apply now
NPF158060 122 60 40.13 22.08 17.00 40.94 21.27 17.89 Apply now
NPF158040 81 40 40.13 22.08 17.00 40.94 21.27 17.89 Apply now
NPF158026 53 26 40.13 22.80 17.00 40.94 21.27 17.89 Apply now
NPF157090 121 90 39.88 24.13 14.48 40.69 23.32 15.37 Apply now
NPF157075 101 75 39.88 24.13 14.48 40.69 23.32 15.37 Apply now
NPF157060 81 60 39.88 24.13 14.48 40.69 23.32 15.37 Apply now
NPF157040 54 40 39.88 24.13 14.48 40.69 23.32 15.37 Apply now
NPF157026 35 26 39.88 24.13 14.48 40.69 23.32 15.37 Apply now
NPF141090 84 90 35.81 22.35 10.46 36.70 21.50 11.28 Apply now
NPF141075 70 75 35.81 22.35 10.46 36.70 21.50 11.28 Apply now
NPF141060 56 60 35.81 22.35 10.46 36.70 21.50 11.28 Apply now
NPF141040 37 40 35.81 22.35 10.46 36.70 21.50 11.28 Apply now
NPF141026 24 26 35.81 22.35 10.46 36.70 21.50 11.28 Apply now
NPF135090 57 90 34.29 23.37 8.89 35.20 22.60 9.83 Apply now
NPF135075 47 75 34.29 23.37 8.89 35.20 22.60 9.83 Apply now
NPF135060 38 60 34.29 23.37 8.89 35.20 22.60 9.83 Apply now
NPF135040 25 40 34.29 23.37 8.89 35.20 22.60 9.83 Apply now
NPF135026 16 26 34.29 23.37 8.89 35.20 22.60 9.83 Apply now
NPF131090 125 90 33.27 18.00 11.52 34.08 17.36 12.50 Apply now
NPF131075 104 75 33.27 18.00 11.52 34.08 17.36 12.50 Apply now
NPF131060 83 60 33.27 18.00 11.52 34.08 17.36 12.50 Apply now
NPF131040 55 40 33.27 18.00 11.52 34.08 17.36 12.50 Apply now
NPF131026 36 26 33.27 18.00 11.52 34.08 17.36 12.50 Apply now
NPF130090 91 90 33.02 19.94 10.67 33.83 19.30 11.61 Apply now
NPF130075 76 75 33.02 19.94 10.67 33.83 19.30 11.61 Apply now
NPF130060 61 60 33.02 19.94 10.67 33.83 19.30 11.61 Apply now
NPF130040 41 40 33.02 19.94 10.67 33.83 19.30 11.61 Apply now
NPF130026 28 26 33.02 19.94 10.67 33.83 19.30 11.61 Apply now
NPF107090 158 90 28.25 13.10 12.05 29.05 12.47 13.00 Apply now
NPF107075 131 75 28.25 13.10 12.05 29.05 12.47 13.00 Apply now
NPF107060 105 60 28.25 13.10 12.05 29.05 12.47 13.00 Apply now
NPF107040 70 40 28.25 13.10 12.05 29.05 12.47 13.00 Apply now
NPF107026 46 26 28.25 13.10 12.05 29.05 12.47 13.00 Apply now
NPF106090 113 90 26.92 14.73 11.18 27.70 14.10 11.99 Apply now
NPF106075 94 75 26.92 14.73 11.18 27.70 14.10 11.99 Apply now
NPF106060 75 60 26.92 14.73 11.18 27.70 14.10 11.99 Apply now
NPF106040 50 40 26.92 14.73 11.18 27.70 14.10 11.99 Apply now
NPF106026 32 26 26.92 14.73 11.18 27.70 14.10 11.99 Apply now
NPF092090 76 90 23.57 14.40 8.89 24.28 13.77 9.70 Apply now
NPF092075 63 75 23.57 14.40 8.89 24.28 13.77 9.70 Apply now
NPF092060 51 60 23.57 14.40 8.89 24.28 13.77 9.70 Apply now
NPF092040 34 40 23.57 14.40 8.89 24.28 13.77 9.70 Apply now
NPF092026 22 26 23.57 14.40 8.89 24.28 13.77 9.70 Apply now
NPF090090 65 90 22.86 13.97 7.62 23.62 13.39 8.38 Apply now
NPF090075 54 75 22.86 13.97 7.62 23.62 13.39 8.38 Apply now
NPF090060 43 60 22.86 13.97 7.62 23.62 13.39 8.38 Apply now
NPF090040 29 40 22.86 13.97 7.62 23.62 13.39 8.38 Apply now
NPF090026 19 26 22.86 13.97 7.62 23.62 13.39 8.38 Apply now
NPF080090 49 90 20.32 12.70 6.35 21.08 12.07 7.11 Apply now
NPF080075 41 75 20.32 12.70 6.35 21.08 12.07 7.11 Apply now
NPF080060 32 60 20.32 12.70 6.35 21.08 12.07 7.11 Apply now
NPF080040 21 40 20.32 12.70 6.35 21.08 12.07 7.11 Apply now
NPF080026 14 26 20.32 12.70 6.35 21.08 12.07 7.11 Apply now
NPF068090 64 90 17.27 9.65 6.35 18.03 9.02 7.11 Apply now
NPF068075 53 75 17.27 9.65 6.35 18.03 9.02 7.11 Apply now
NPF068060 43 60 17.27 9.65 6.35 18.03 9.02 7.11 Apply now
NPF068040 28.5 40 17.27 9.65 6.35 18.03 9.02 7.11 Apply now
NPF068026 19 26 17.27 9.65 6.35 18.03 9.02 7.11 Apply now
NPF065090 52 90 16.64 10.16 6.35 17.40 9.53 7.11 Apply now
NPF065075 43 75 16.64 10.16 6.35 17.40 9.53 7.11 Apply now
NPF065060 35 60 16.64 10.16 6.35 17.40 9.53 7.11 Apply now
NPF065040 24 40 16.64 10.16 6.35 17.40 9.53 7.11 Apply now
NPF065026 15 26 16.64 10.16 6.35 17.40 9.53 7.11 Apply now
NPF050090 40 90 12.70 7.62 4.75 13.46 6.99 5.51 Apply now
NPF050075 34 75 12.70 7.62 4.75 13.46 6.99 5.51 Apply now
NPF050060 27 60 12.70 7.62 4.75 13.46 6.99 5.51 Apply now
NPF050040 18 40 12.70 7.62 4.75 13.46 6.99 5.51 Apply now
NPF050026 12 26 12.70 7.62 4.75 13.46 6.99 5.51 Apply now