PCB Book-To-Bill Ratio Reaches 34-Month High

May 30, 2013

Trend in the Book-to-Bill Ratio for PCBs (including Rigid PCBs and Flexible Circuits) in North America

Trend in the Book-to-Bill Ratio for PCBs (including Rigid PCBs and Flexible Circuits) in North America


IPC - Association Connecting Electronics Industries® announced today the April findings from its monthly North American Printed Circuit Board (PCB) Statistical Program. Notable among the month’s findings is the PCB book-to-bill ratio, which reached 1.10, its highest level since July 2010.

PCB Bookings Gain Strength

Total North American PCB shipments were down 7.0 percent in April 2013 from April 2012, but bookings increased 7.2 percent year over year. Year to date, PCB industry shipments were down 5.1 percent and bookings were down 2.3 percent. Compared to the previous month, PCB shipments in April decreased 9.9 percent, and bookings declined 14.3 percent. Bookings have outpaced shipments for the past five months.

North American PCB sales in April continued to lag behind 2012 levels, although sales in the flexible circuit segment are strengthening,” said Sharon Starr, IPC director of market research.  “Rigid PCB orders for the month exceeded last year’s orders and continued to push the book-to-bill ratio up to a strong 1.10. This is the fifth consecutive monthly increase in the ratio, which reinforces our hope that PCB sales will strengthen during the coming months.

The book-to-bill ratios are calculated by dividing the value of orders booked over the past three months by the value of sales billed during the same period from companies in IPC’s survey sample. A ratio of more than 1.00 suggests that current demand is ahead of supply, which is a positive indicator for sales growth over the next three to six months.

Domestic Production Holds Steady

IPC’s monthly survey of the North American PCB industry tracks bookings and shipments from U.S. and Canadian facilities, which provide indicators of regional demand. These numbers do not measure U.S. and Canadian PCB production. To track regional production trends, IPC asks survey participants for the percent of their reported shipments that were produced domestically (i.e., in the USA or Canada). In April 2013, 85 percent of total PCB shipments reported by survey participants were domestically produced. These numbers are significantly affected by the mix of companies in IPC’s survey sample, which change slightly in January, but are kept constant through the remainder of the year.

Interpreting the Data

Year-on-year and year-to-date growth rates provide the most meaningful view of industry growth. Month-to-month comparisons should be made with caution as they may reflect cyclical effects and short-term volatility. Because bookings tend to be more volatile than shipments, changes in the book-to-bill ratios from month to month may not be significant unless a trend of more than three consecutive months is apparent. It is also important to consider changes in bookings and shipments to understand what is driving changes in the book-to-bill ratio.

The information in IPC’s monthly PCB industry statistics is based on data provided by a representative sample of both rigid PCB and flexible circuit manufacturers selling in the USA and Canada. IPC publishes the PCB book-to-bill ratio near the end of each month. Statistics for the current month are not available until the last week of the following month.

Detailed Data Available

More detailed monthly findings on rigid PCB and flexible circuit sales and orders, including separate rigid and flex book-to-bill ratios, military and medical market growth, demand for prototypes, total market size and forecasts, are published monthly in IPC’s North American PCB Market Report. This report is available free to current participants in IPC’s PCB Statistical Program and by subscription to others. More information about this report can be found at www.ipc.org/market-research-subscriptions.

IPC (www.IPC.org) is a global industry association based in Bannockburn, Ill., dedicated to the competitive excellence and financial success of its 3,300 member companies which represent all facets of the electronics industry, including design, printed board manufacturing, electronics assembly and test. As a member-driven organization and leading source for industry standards, training, market research and public policy advocacy, IPC supports programs to meet the needs of an estimated $2.17 trillion global electronics industry. IPC maintains additional offices in Taos, N.M.; Arlington, Va.; Stockholm, Sweden; Moscow, Russia; Bangalore, India; Bangkok, Thailand; and Shanghai, Shenzhen, Chengdu, Suzhou and Beijing, China.

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