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 Year Ended December 31 December 31, March 31, December 31, -------------------------------- --------------- -------------- -------------- 1999 1998 1997 1996 1996 1995 Earnings Income before income taxes $16,552 $23,900 $18,538 $7,614 $644 $528 Fixed charges 11,294 860 1,504 1,953 211 745 --------- --------- --------- --------- ------ ------- Total Earnings $27,846 $24,760 $20,042 $9,567 $855 $1,273 ===================================================================================== Fixed Charges Interest $10,675 $373 $1,065 $1,638 $152 $509 Implicit rental interest expense 619 487 439 315 59 236 --------- -------- --------- -------- ------ ---- Total Fixed Charges $11,294 $860 $1,504 $1,953 $211 $745 ==================================================================================== Ratio of Earnings to Fixed Charges 2.5x 28.8x 13.3x 4.9x 4.1x 1.7x