EXHIBIT 12.1 Cherokee International, LLC Calculation of Ratio of Earnings to Fixed Charges (In thousands, except ratios) Nine Months Three Months Ended Ended Year Ended December 31 December 31, March 31, ------------------------------------------------ --------------- ----------- 2000 1999 1998 1997 1996 1996 Earnings Income before $ 11,695 $16,552 $23,900 $18,538 $7,614 $644 Income taxes Fixed charges 17,424 11,294 860 1,504 1,953 211 --------- --------- --------- --------- --------- ------ Total Earnings $ 29,119 $27,846 $24,760 $20,042 $9,567 $855 ========= ======================================================================= Fixed Charges Interest $ 16,779 $10,675 $373 $1,065 $1,638 $152 Implicit rental 645 619 487 439 315 59 Interest expense --------- -------- --------- -------- ------ ---- Total Fixed Charges $ 17,424 $11,294 $860 $1,504 $1,953 $211 ========= ======================================================================= Ratio of Earnings to Fixed Charges 1.7x 2.5x 28.8x 13.3x 4.9x 4.1x