Self resonance apparent capacitance is set to 1.22 pF. Visit Solenoid self-resonance measurements for additional information.
Source code and data files Balun-Imp-source.zip
Using equations from A method for estimating the impedance of a ferrite cored toroidal inductor at RF
Equation confirmed using the Zcm-43.xls link in Common mode choke design tool
Fair-Rite permeability tables can be found here. Look for the links "PERMEABILITY (CSV)."