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Exhibit 12.1
INTERNATIONAL RECTIFIER CORPORATION
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
AMOUNTS IN THOUSANDS OF DOLLARS
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FISCAL YEAR ENDED JUNE 30,
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1996 1997 1998 1999 2000
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RATIO OF EARNINGS TO FIXED CHARGES
<S> <C> <C> <C> <C> <C>
Pretax income from Continuing Operations 95,930 (52,690) 24,589 31,156 101,540
Fixed Charges (see calculation below) 8,312 12,994 16,220 14,498 13,825
Less Capitalized Interest (1,371) (1,870) (2,434) (1,142) (788)
Earnings ------- ------- ------- ------- -----
102,871 (41,566) 38,375 44,512 114,577
Fixed Charges
Interest Expensed, Capitalized and Amortized 5,581 10,144 13,655 12,262 12,025
Interest Portion of Rental Expense 2,731 2,850 2,566 2,236 1,800
Total Fixed Charges 8,312 12,994 16,220 14,498 13,825
Ratio of Earnings to Fixed Charges (1) 12.4 - 2.4 3.1 8.3
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(1)In the fiscal year ended June 30, 1997, earnings were not adequate to cover
fixed charges by $54.6 million
