Core Cross Reference Table Core Data Technical Information Technical Information OD 127 ID 7.62mm HT 4.75mm Core dimensions and Physical specifications OD, max 12.7mm 0.5in ID, min 7.62mm 0.3in Physical specifications Cross Section Path Length Window Area After Coating Before Coating HT, max 4.75mm 0.187in OD, max 13.46mm 0.53in ID, min 6.99mm 0.275in HT, max 5.51mm 0.217in (Ae) 0.114cm2 0.018in2 (le) 3.12cm 1.228in (Wa) 0.3837cm2 76000cmil Volume (V) 0.3557cm3 0.022in3 Core Part Number Permeability( ) Part Number High Flux Sendust AL (nH/N2) MPP 12 27 34 40 56 67 72 79 90 OR127M026 OR127M060 OR127M125 OR127M147 OR127M160 OR127M173 OR127M200 26 60 75 90 125 147 160 173 200 OR127H026 OR127H060 OR127H125 OR127H147 OR127H160 OR127H173 OR127H200 OR127S026 OR127S060 OR127S075 OR127S090 OR127S125 - DC Resistance(Rdc) per Inductance( /mH) SFlux OR127F060 OR127F090 - 1.4701 0.6371 0.5096 0.4247 0.3058 0.2600 0.2389 0.2209 0.1911 Winding Information AWG wire Single layer No. Dia.(cm) Turns 16 17 18 19 20 21 0.137 0.122 0.110 0.098 0.088 0.079 12 14 16 19 21 24 AWG wire Single layer Rdc, No. Dia.(cm) Turns 0.0028 0.0041 0.0059 0.0088 0.0122 0.0176 22 23 24 25 26 27 0.070 0.063 0.057 0.051 0.045 0.041 28 31 35 40 45 50 AL value vs. DC Bias characteristics AWG wire Single layer Rdc, No. Dia.(cm) Turns 0.0260 0.0362 0.0516 0.0744 0.1060 0.1480 28 9 30 31 32 33 0.037 0.033 0.030 0.027 0.024 0.022 56 63 71 79 87 98 Rdc, 0.2100 0.2930 0.4340 0.5940 0.8090 1.1600