******************* * BUK9KRA-60E RC thermal model j-mb * Foster RC network which is an * approximate fit to the datasheet Zth curve * created 04/12/2020 10:30:31 ******************* * .SUBCKT BUK9K13-60RA_Zth TJ MB Rth1 TJ 1 2.533044E-03 Cth1 TJ 1 3.575089E-05 Rth2 1 2 5.927891E-03 Cth2 1 2 1.98131E-04 Rth3 2 3 3.576744E-02 Cth3 2 3 2.705855E-04 Rth4 3 4 7.656404E-02 Cth4 3 4 1.209683E-03 Rth5 4 5 0.2422053 Cth5 4 5 4.930209E-03 Rth6 5 6 1.553126 Cth6 5 6 5.951216E-03 Rth7 6 7 0.4394271 Cth7 6 7 0.1357304 Rth8 7 MB 3.829462E-03 Cth8 7 MB 60.10678 .ENDS *******************************