Core Cross Reference Table Core Data Technical Information Technical Information OD 270 ID 14.73mm HT 11.18mm Core dimensions and Physical specifications OD, max 26.92mm 1.06in ID, min 14.73mm 0.58in Physical specifications Cross Section Path Length Window Area After Coating Before Coating HT, max 11.18mm 0.44in OD, max 27.7mm 1.091in ID, min 14.1mm 0.555in HT, max 11.99mm 0.472in (Ae) 0.654cm2 0.101in2 (le) 6.35cm 2.5in Volume (Wa) (V) 1.56cm2 4.1529cm3 308000cmil 0.253in3 Core Part Number Permeability( ) 26 60 75 90 125 147 160 173 200 Part Number High Flux Sendust AL (nH/N2) MPP 32 75 94 113 157 185 201 217 251 OR270M026 OR270M060 OR270M125 OR270M147 OR270M160 OR270M173 OR270M200 OR270H026 OR270H060 OR270H125 OR270H147 OR270H160 OR270H173 OR270H200 OR270S026 OR270S060 OR270S075 OR270S090 OR270S125 - DC Resistance(Rdc) per Inductance( /mH) SFlux OR270F060 OR270F090 - 0.2364 0.1024 0.0819 0.0683 0.0492 0.0418 0.0384 0.0355 0.0307 Winding Information AWG wire Single layer No. Dia.(cm) Turns 9 10 11 12 13 14 0.298 0.267 0.238 0.213 0.190 0.171 11 13 15 17 20 22 AWG wire Single layer Rdc, No. Dia.(cm) Turns 0.0011 0.0016 0.0023 0.0033 0.0049 0.0069 15 16 17 18 19 20 0.153 0.137 0.122 0.110 0.098 0.088 25 29 33 37 42 47 AL value vs. DC Bias characteristics AWG wire Single layer Rdc, No. Dia.(cm) Turns 0.0098 0.0144 0.0203 0.0291 0.0416 0.0587 21 22 23 24 25 26 0.079 0.070 0.063 0.057 0.051 0.045 53 60 66 75 84 94 Rdc, 0.0835 0.1200 0.1650 0.2370 0.3350 0.4760