Reliable Electronic Solutions December, 2005 Bourns Manufacturers Representatives Corporate Distributor Product Managers Americas Sales Team Asia Sales Team Europe Sales Team ER OW UCTS P H D ITC PRO SW Bourns® Switch Power™ DC-DC Converters Product Change Notification MS5A Series Tape and Reel Packaging PCN Tracking Number BSP01 This product change notification covers a change to the tape and reel packaging used on Bourns® Switch Power™ DC-DC Converter MS5A Series product family. The EIA-2 compliant tape and reel changes are as follows: Change Carrier Tape Diameter (W) Pitch (P1) Pocket Width (Ao) Pocket Length (Bo) Pocket Depth (Ko) Qty. per Reel Min. Order Quantity Multiple WAS 56.0 mm 20.0 mm 13.97 mm 33.27 mm 3.65 mm 400 400 400 IS 44.0 mm 24.0 mm 14.00 mm 33.50 mm 7.60 mm 250 500 250 Products Affected by the Change: All part numbers in the MS5A Series product family. MS5A-3S1.2 MS5A-5S1.5 MS5A-3S1.5 MS5A-5S1.8 MS5A-3S1.8 MS5A-5S2.5 MS5A-3S2.0 MS5A-5S3.3 MS5A-3S2.5 Reason for the Change: The tape and reel change improves product safety from mechanical damage during packaging and transportation. Bourns® Switch Power™ DC-DC Converters Product Change Notification MS5A Series Tape and Reel Packaging PCN Tracking Number BSP01 December, 2005 Page 2 of 2 Product Labeling: No change to the product labeling. Implementation Date: Shipments of finished goods with the new tape and reel packaging started on December 1, 2005. Impact on Form, Fit, Function and Reliability: Impact only to customer pick and place machine setup. Last Date of Shipment of Unchanged Product: November 4, 2005.