Core Cross Reference Table Core Data Technical Information Technical Information OD 400 ID 24.13mm HT 14.48mm Core dimensions and Physical specifications OD, max 39.88mm 1.57in ID, min 24.13mm 0.95in Physical specifications Cross Section Path Length Window Area After Coating Before Coating HT, max 14.48mm 0.57in OD, max 40.7mm 1.602in ID, min 23.3mm 0.917in HT, max 15.37mm 0.605in (Ae) 1.072cm2 0.166in2 (le) 9.84cm 3.874in Volume (Wa) (V) 4.26cm2 10.5485cm3 841000cmil 0.644in3 Core Part Number Permeability( ) 26 60 75 90 125 147 160 173 200 Part Number High Flux Sendust AL (nH/N2) MPP 35 81 101 121 168 198 215 233 -- OR400M026 OR400M060 OR400M125 OR400M147 OR400M160 OR400M173 - OR400H026 OR400H060 OR400H125 OR400H147 OR400H160 - OR400S026 OR400S060 OR400S075 OR400S090 OR400S125 - DC Resistance(Rdc) per Inductance( /mH) SFlux OR400F060 OR400F090 - 0.1079 0.0468 0.0374 0.0312 0.0225 0.0191 0.0175 0.0162 0.0140 Winding Information AWG wire Single layer No. Dia.(cm) Turns 8 9 10 11 12 13 0.334 0.298 0.267 0.238 0.213 0.190 18 21 24 27 31 35 AWG wire Single layer Rdc, No. Dia.(cm) Turns 0.0018 0.0026 0.0038 0.0054 0.0078 0.0111 14 15 16 17 18 19 0.171 0.153 0.137 0.122 0.110 0.098 39 44 50 56 63 71 AL value vs. DC Bias characteristics AWG wire Single layer Rdc, No. Dia.(cm) Turns Rdc, 0.0155 0.0221 0.0317 0.0446 0.0636 0.0902 20 21 22 23 24 25 0.088 0.079 0.070 0.063 0.057 0.051 80 90 101 112 126 141 0.1280 0.1820 0.2590 0.3590 0.5110 0.7210