Power-One (Nasdaq: PWER) reported earnings on May 3. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended April 1 (Q1), Power-One beat expectations on revenues and missed estimates on earnings per share.

Compared to the prior-year quarter, revenue dropped and GAAP earnings per share dropped significantly.

Margins dropped across the board.

Revenue details
 Power-One chalked up revenue of $225.7 million. The 14 analysts polled by S&P Capital IQ predicted a top line of $203.1 million on the same basis. GAAP reported sales were 7.7% lower than the prior-year quarter's $244.5 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 EPS came in at $0.03. The 14 earnings estimates compiled by S&P Capital IQ anticipated $0.09 per share. GAAP EPS of $0.03 for Q1 were 85% lower than the prior-year quarter's $0.20 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Margin details
 For the quarter, gross margin was 24.4%, 1,010 basis points worse than the prior-year quarter. Operating margin was 8.2%, 1,280 basis points worse than the prior-year quarter. Net margin was 2.2%, 1,040 basis points worse than the prior-year quarter.

Looking ahead
 Next quarter's average estimate for revenue is $234.3 million. On the bottom line, the average EPS estimate is $0.12.

Next year's average estimate for revenue is $955.2 million. The average EPS estimate is $0.54.

Investor sentiment
 The stock has a four-star rating (out of five) at Motley Fool CAPS, with 610 members out of 650 rating the stock outperform, and 40 members rating it underperform. Among 112 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 100 give Power-One a green thumbs-up, and 12 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Power-One is outperform, with an average price target of $6.10.

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