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| BU508AW High voltage NPN Power transistor for standard Definition CRT display Preliminary Data Features State-of-the-art technology: - Diffused collector "Enhanced generation" Stable performances versus operating temperature variation Low base-drive requirement Tight hFE range at operating collector current High ruggedness TO-247 semi-insulated power package In compliance with the 2002/93/EC European directive TO-247 1 2 3 Applications Internal schematic diagram Horizontal deflection output for CRT TV Switch mode power supplies for CRT TV Description The BU508AW is manufactured using Diffused Collector in Planar Technology adopting new and enhanced high voltage structure for updated performance to the Horizontal Deflection stage. Order codes Part Number BU508AW Marking BU508AW Package TO-247 Packaging Tube March 2007 Rev 1 1/8 www.st.com 8 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. Electrical ratings BU508AW 1 Electrical ratings Table 1. Symbol VCES VCEO VEBO IC ICM IB PTOT Tstg TJ Absolute maximum rating Parameter Collector-emitter voltage (VBE = 0) Collector-emitter voltage (IB = 0) Collector-base voltage (IC = 0) Collector current Collector peak current (tP < 5ms) Base current Total dissipation at Tc = 25C Storage temperature Max. operating junction temperature Value 1500 700 9 8 15 4 125 -65 to 150 C 150 Unit V V V A A A W Table 2. Symbol Thermal data Parameter Value 1 Unit C/W Rthj-case Thermal resistance junction-case _______________max 2/8 BU508AW Electrical characteristics 2 Electrical characteristics (Tcase = 25C unless otherwise specified) Table 3. Symbol ICES IEBO Electrical characteristics Parameter Collector cut-off current (VBE =0) Emitter cut-off current (IC =0) Test conditions VCE = 1500V VCE = 1500V; VEB = 9V TC= 125C Min. Typ. Max. 0.2 2 1 Unit mA mA mA Collector-emitter VCEO(sus) (1) sustaining voltage (IC =0) VCE(sat) (1) VBE(sat) (1) hFE (1) Collector-emitter saturation voltage Base-emitter saturation voltage DC current gain Inductive load Storage time Fall time IC = 100mA 700 V IC = 4.5A IC = 4.5A IC = 0.1A IC = 4.5A IC = 4.5A IB = 1.6A IB = 2A VCE = 5V VCE = 5V IB(on) = 0.5A 2.5 0.2 10 5 1 1.1 30 V V ts tf VBE(off) = -2.7V fh = 16KHz LBB(off) = 4.5H s s 1. Pulsed: Pulse duration = 300 ms, duty cycle 1.5 % 3/8 Electrical characteristics BU508AW 2.1 Test circuits Figure 1. Power losses and inductive load switching Figure 2. Reverse biased safe operating area 4/8 BU508AW Package mechanical data 3 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK(R) packages. These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com 5/8 Package mechanical data BU508AW TO-247 MECHANICAL DATA mm. MIN. 4.85 2.20 1.0 2.0 3.0 0.40 19.85 15.45 5.45 14.20 3.70 18.50 3.55 4.50 5.50 3.65 5.50 0.140 0.177 0.216 14.80 4.30 0.560 0.14 0.728 0.143 0.216 TYP MAX. 5.15 2.60 1.40 2.40 3.40 0.80 20.15 15.75 MIN. 0.19 0.086 0.039 0.079 0.118 0.015 0.781 0.608 0.214 0.582 0.17 inch TYP. MAX. 0.20 0.102 0.055 0.094 0.134 0.03 0.793 0.620 DIM. A A1 b b1 b2 c D E e L L1 L2 oP oR S 6/8 BU508AW Revision history 4 Revision history Table 4. Date 02-Mar-2007 Revision history Revision 1 Initial release. Changes 7/8 BU508AW Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries ("ST") reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST's terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein. UNLESS OTHERWISE SET FORTH IN ST'S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY, DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER'S OWN RISK. Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any liability of ST. ST and the ST logo are trademarks or registered trademarks of ST in various countries. Information in this document supersedes and replaces all information previously supplied. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners. (c) 2007 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 8/8 |
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