Segment Information

3 Months Ended

Jun. 30, 2011

Operating Segment And Geographic Information Abstract

Segment Reporting Disclosure Text Block

14. Segment Information

We have a single operating segment. This operating segment is comprised of semiconductor products used primarily in power-related applications. While we have separate legal subsidiaries with discrete financial information, we have one chief operating decision maker with highly integrated businesses. Our net revenues by major geographic area (based on destination) were as follows (in thousands):

		Three Months Ended June 30,
			2011		2010
		(unaudited)
United States		$	27,705	$	24,509
Europe and the Middle East
	France		2,031		1,507
	Germany		13,416		9,200
	United Kingdom		8,002		6,313
	Other		14,140		10,281
Asia Pacific
	China		18,565		16,655
	Japan		2,088		3,445
	Korea		3,945		2,428
	Singapore		2,484		2,475
	Taiwan		2,232		2,316
	Other		2,489		2,411
Rest of the World
	India		2,829		1,536
	Other		1,852		1,799
Total		$	101,778	$	84,875

The following table sets forth net revenues for each of our product groups for the three months endedJune 30,2011 and 2010 (in thousands):

	Three Months Ended June 30,
	2011		2010
		(unaudited)
Power semiconductors	$	76,464	$	57,268
Integrated circuits		18,111		22,180
Systems and RF power semiconductors		7,203		5,427
Total	$	101,778	$	84,875

For the three months ended June 30, 2011, two distributors accounted for 12.8% and 11.0% of our net revenues, respectively. For thethree months ended June 30, 2010, two distributors accounted for 13.9% and 11.2% of our net revenues, respectively.