Core Cross Reference Table Core Data Technical Information Technical Information OD 571 ID 26.39mm HT 15.24mm Core dimensions and Physical specifications OD, max 57.15mm 2.25in ID, min 26.39mm 1.039in Physical specifications Cross Section Path Length Window Area After Coating Before Coating HT, max 15.24mm 0.6in OD, max 58mm 2.283in ID, min 25.6mm 1.008in HT, max 16.1mm 0.634in (Ae) 2.29cm2 0.355in2 (le) 12.5cm 4.921in (Wa) 5.15cm2 1016000cmil Volume (V) 28.625cm3 1.747in3 Core Part Number Permeability( ) 26 60 75 90 125 147 160 173 200 Part Number High Flux Sendust AL (nH/N2) MPP 60 138 172 207 287 338 368 --- OR571M026 OR571M060 OR571M125 OR571M147 OR571M160 - OR571H026 OR571H060 OR571H125 - OR571S026 OR571S060 OR571S075 OR571S090 OR571S125 - DC Resistance(Rdc) per Inductance( /mH) SFlux OR571F060 OR571F090 - 0.0578 0.0251 0.0201 0.0167 0.0120 0.0102 0.0094 0.0087 0.0075 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 20 23 26 30 34 39 AWG wire Single layer Rdc, No. Dia.(cm) Turns 0.0027 0.0039 0.0055 0.0080 0.0115 0.0165 14 15 16 17 18 19 0.171 0.153 0.137 0.122 0.110 0.098 43 49 55 62 70 78 AL value vs. DC Bias characteristics AWG wire Single layer Rdc, No. Dia.(cm) Turns 0.0230 0.0330 0.0469 0.0664 0.0948 0.1330 20 21 22 23 24 25 0.088 0.079 0.070 0.063 0.057 0.051 88 99 111 124 138 156 Rdc, 0.1890 0.2690 0.3810 0.5340 0.7520 1.0700