CIRCUIT PROTECTION PRODUCTS February, 2006 Bourns Manufacturers Representatives Corporate Distributor Product Managers Americas Sales Team Asia Sales Team Europe Sales Team SOT-93 Packaged Power Transistor & Thyristor Product Change Notification PCN Tracking Number BLBF40 - Mold Compound Change This change notification covers a change to the epoxy mold compound used for encapsulation of SOT-93 products assembled by PSI Technologies Inc, Manila, Philippines. The change is: From: MP150SG, manufactured by Nitto To: MG15G-1040R, manufactured by Loctite (formerly Dexter Hysol) Products Affected by the Change: All products assembled in SOT-93 package are affected. These include catalog power transistors and thyristors and customer specific products. Reason for the Change: Rationalization of mold compounds in the assembly/test site. Product Labeling: No change to the product labeling. Identification of the Changed Product: Bourns maintains traceability back to source wafer lots for all products. Implementation Date: Shipments of finished goods including the new mold compound are expected to commence in March 2006. Commencing Date Code: 612 Impact on Form, Fit, Function and Reliability: There is no impact. MG15F-1040R is recognized by UL and listed in E34947. The flammability rating is V-O. Qualification Plan: Following page. SOT-93 Packaged Power Transistor & Thyristor Product Change Notification PCN Tracking Number BLBF40 - Mold Compound Change February, 2006 Page 2 of 4 Last Date of Manufacture of Unchanged Product: March 2006 Qualification Information as Follows: Die Technology Die Name Top Metal Back Metal Assembly Site Pins/Package Mold Compound Die Attach Wire Bond L/F Material Marking Termination Finish Bipolar Transistor As Qual Plan Table (Row 2) Al AlTiNiAu PSI,Technologies, Manila, Philippines 3/SOT-93 MG15F-0140R Solder (>88% Pb) Aluminum Copper Laser Hot Dipped SnAgCu Qualification Tests: Stress Test/Conditions HTRB, 150 °C, 1000 h with bias 85 °C/85 % RH, 50 V, 1000 h Temperature Cycle -65/+150 °C, 200cs Solder Heat Lead Pull QSS (1) 009-101 009-102 009-104 009-106 009-110 Standard MIL STD 883 JEDEC STD 22 MIL STD 883 MIL STD 750 MIL STD 883 Notes: 1. QSS Specifications are Bourns Internal Qualification Standards. Method 1015 A101 1010 2031 2004 SS/Accept 129/1 129/1 129/1 22/0 22/0 SOT-93 Packaged Power Transistor & Thyristor Product Change Notification PCN Tracking Number BLBF40 - Mold Compound Change February, 2006 Page 3 of 4 Qualification Plan: Lot Number: Product Name: Product Technology: Die Name: HTRB 85 °C/85 % RH Temperature Cycle Solder Heat Lead Pull Stress Test Completion Date: June 2006 Lot 1 R3381-S Transistor SD140BX 65/0 65/0 65/0 12/0 12/0 Lot 2 BUV48A Transistor PL765BQ 65/0 65/0 65/0 12/0 12/0 SOT-93 Packaged Power Transistor & Thyristor Product Change Notification PCN Tracking Number BLBF40 - Mold Compound Change February, 2006 Page 4 of 4 SOT-93 Parts Sold BD245 BD245A BD245A-S BD245B BD245B-S BD245C BD245C-S BD245-S BD246 BD246A BD246A-S BD246B BD246B-S BD246C BD246C-S BD246-S BD249 BD249A BD249A-S BD249B BD249B-S BD249C BD249C-S BD249-S BD250 BD250A BD250A-S BD250B BD250B-S BD250C BD250C-S BD250-S BD251 BD251-S BD745B BD745B-S BD745C BD745C-S BD746B BD746C BD746C-S BDV64 BDV64A BDV64A-S BDV64B BDV64B-S BDV64C BDV64C-S BDV64-S BDV65 BDV65A BDV65A-S BDV65B BDV65B-S BDV65C BDV65C-S BDV65-S BDV66 BDV66-S BDW83B BDW83B-S BDW83C BDW83C-S BDW83D BDW83D-S BDW84 BDW84B BDW84B-S BDW84C BDW84C-S BDW84D BDW84D-S BDW84-S BDW85 BDW85-S BU426 BU426A BU426A-S BU426-S BU466 BU466-S BUV47 BUV47A BUV47A-S BUV47-S BUV48 BUV48A BUV48A-S BUV48-S BUV49 BUV49-S R3381 R3381-S R3497 R3497-S R3498 R3498-S R3499 R3499-S TIC253D TIC253D-S TIC253M TIC253M-S TIC253N TIC253N-S TIC263D TIC263D-S TIC263M TIC263M-S TIC263N TIC263N-S TIP140 TIP140-S TIP141 TIP141-S TIP142 TIP142-S TIP145 TIP145-S TIP146 TIP146-S TIP147 TIP147-S TIP160 TIP160-S TIP161 TIP162 TIP162-S TIP2955 TIP2955-S TIP3055 TIP3055-S TIP33A TIP33A-S TIP33C TIP33C-S TIP34A TIP34A-S TIP34C TIP34C-S TIP35A TIP35A-S TIP35B TIP35B-S TIP35C TIP35C-S TIP36B TIP36B-S TIP36C TIP36C-S TIP9105 TIP9105-S TIPL761 TIPL761-S TIPL762 TIPL762A TIPL762A-S TIPL762-S TIPL763 TIPL763-S TIPL764 TIPL764-S TIPL765A TIPL765A-S