 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| BD235 BD237 Low voltage NPN power transistors Features Low saturation voltage NPN transistors Applications Audio, power linear and switching applications 3 2 1 Description The devices are manufactured in Planar technology with "Base Island" layout. The resulting transistor shows exceptional high gain performance coupled with very low saturation voltage. The PNP type is BD238. Figure 1. SOT-32 (TO-126) Internal schematic diagram Table 1. Device summary Marking BD235 BD237 Package SOT-32 SOT-32 Packaging Tube Tube Order codes BD235 BD237 June 2009 Doc ID 4189 Rev 3 1/9 www.st.com 9 Absolute maximum ratings BD235, BD237 1 Absolute maximum ratings Table 2. Symbol VCBO VCER VCEO VEBO IC ICM PTOT Tstg TJ Absolute maximum ratings Value Parameter BD235 Collector-base voltage (IE = 0) Collector-emitter voltage (RBE = 1 k) Collector-emitter voltage (IB = 0) Emitter-base voltage (IC = 0) Collector current Collector peak current (tp < ms) Total dissipation at Tcase = 25C Storage temperature Max. operating junction temperature 60 60 60 5 2 6 25 -65 to 150 150 BD237 100 100 80 V V V V A A W C C Unit 2/9 Doc ID 4189 Rev 3 BD235, BD237 Electrical characteristics 2 Electrical characteristics (Tcase = 25C; unless otherwise specified) Table 3. Symbol ICBO IEBO Electrical characteristics Parameter Collector cut-off current (IE = 0) Emitter cut-off current (IC = 0) Test conditions VCB = rated VCBO VCB = rated VCBO TC= 150C VEB = 5V IC = 100mA for BD235 for BD237 IC = 1A __ IC = 1A ___ IC = 150mA _ IC = 1A_ IB = 0.1A VCE = 2V VCE = 2V VCE = 2V 40 25 Min. Typ. Max. 0.1 2 1 Unit mA mA mA - Collector-emitter VCEO(sus)(1) sustaining voltage (IB = 0) VCE(sat)(1) VBE(on)(1) hFE(1) Collector-emitter saturation voltage Base-emitter on voltage DC current gain 60 80 - V V 0.6 1.3 V V - 1. Pulsed duration = 300 s, duty cycle = 1.5 %. 2.1 Electrical characteristic (curves) Figure 2. Safe operating area Figure 3. Derating curves Doc ID 4189 Rev 3 3/9 Electrical characteristics Figure 4. DC current gain (VCE = 2 V) Figure 5. BD235, BD237 DC current gain (VCE = 4 V) Figure 6. Collector-emitter saturation voltage Figure 7. Base-emitter saturation voltage Figure 8. Base-emitter on voltage Figure 9. Resistive load switching time (on) 4/9 Doc ID 4189 Rev 3 BD235, BD237 Figure 10. Resistive load switching time (off) Electrical characteristics 2.2 Test circuit Figure 11. Resistive load switching test circuit 1. Fast electronic switch 2. Non-inductive resistor Doc ID 4189 Rev 3 5/9 Package mechanical data BD235, BD237 3 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK(R) packages, depending on their level of environmental compliance. ECOPACK(R) specifications, grade definitions and product status are available at: www.st.com. ECOPACK(R) is an ST trademark. 6/9 Doc ID 4189 Rev 3 BD235, BD237 Package mechanical data Doc ID 4189 Rev 3 7/9 Revision history BD235, BD237 4 Table 4. Revision history Document revision history Revision 1 2 3 Initial release. Added: figures 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12. Minor text changes. Changes Date 11-Feb-2003 09-Jul-2007 03-Jun-2009 8/9 Doc ID 4189 Rev 3 BD235, BD237 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) 2009 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 - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com Doc ID 4189 Rev 3 9/9 |
Price & Availability of BD237
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |