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november 2010 doc id 9488 rev 4 1/14 14 bul742c bulb742c high voltage fast-switching npn power transistor features low spread of dynamic parameters high voltage capability minimum lot-to-lot spread for reliable operation very high switching speed applications electronic ballast fo r fluorescent lighting switch mode power supplies description the devices are manufactured using high voltage multi-epitaxial planar technology for high switching speeds and hi gh voltage capability. thanks to an increased in termediate layer, it has an intrinsic ruggedness which enables the transistor to withstand an high collector current level during breakdown co ndition, without using the transil protection usually necessary in typical converters for lamp ballast. figure 1. internal schematic diagram to-220 i2pak 1 2 3 tab 1 2 3 tab d2pak to-220fp 1 2 3 1 3 tab table 1. device summary order codes markings packages packaging bul742c bul742c to-220 tube BUL742CFP BUL742CFP to-220fp bulb742c-1 bulb742c i2pak bulb742ct4 bulb742c d2pak tape and reel www.st.com
electrical ratings bul742c, bulb742c 2/14 doc id 9488 rev 4 1 electrical ratings table 2. absolute maximum ratings symbol parameter to-220 / d2pak / i2pak to-220fp unit v ces collector-emitter voltage (v be = 0) 1050 v v ceo collector-emitter voltage (i b = 0) 400 v v ebo emitter-base voltage (i c = 0, i b = 2 a, t p < 10 ms) v (br)ebo v i c collector current 4 a i cm collector peak current (t p < 5 ms) 8 a i b base current 2 a i bm base peak current (t p < 5 ms) 4 a p tot total dissipation at t c = 25 c 70 3 0w t stg storage temperature -65 to 150 c v iso isolation withstand voltage (rms) from all three leads to external heatsink 1500 v t j max. operating junction temperature 150 c table 3. thermal data symbol parameter to-220/d2pak/i2pak to-220fp unit r thjc thermal resistance junc tion - case 1.79 4.17 c/w r thja thermal resistance junction - ambient 62.5 62.5 c/w
bul742c, bulb742c electrical characteristics doc id 9488 rev 4 3 /14 2 electrical characteristics t case = 25c unless otherwise specified. table 4. electrical characteristics symbol parameter test conditions min. typ. max. unit i ces collector cut-off current (v be = 0) v ce = 1050 v 0.2 10 a i ceo collector cut-off current (i b = 0) v ce = 400 v 10 250 a v (br)ebo emitter base breakdown voltage (i c = 0) i e = 1 ma 15 19 24 v v ceo(sus) (1) 1. pulse test: pulse duration 3 00 s, duty cycle 2 %. collector-emitter sustaining voltage (i b = 0) i c = 10 ma 400 450 v v ce(sat) (1) collector-emitter saturation voltage i c = 1 a _ i b = 0.2 a i c = 3 .5 a _ _ i b = 1 a 0.15 0.6 0.5 1.5 v v v be(sat) (1) base-emitter saturation voltage i c = 3 .5 a i b = 1 a 1.1 1.5 v h fe (1) dc current gain i c = 0.1 a _ v ce = 5 v i c = 0.8 a _ v ce = 3 v 48 25 75 3 5 100 50 t s t f resistive load storage time fall time i c = 2 a v cc = 125 v i b1 = - i b2 = 400 ma t p = 3 00 s v be(off) = - 5 v 2.4 3 50 3 .5 500 s ns e ar repetitive avalanche energy l = 2 mh c = 1.8 nf v be(off) = -5 v 6mj
electrical characteristics bul742c, bulb742c 4/14 doc id 9488 rev 4 2.1 electrical characteristics (curves) figure 2. safe operating area for to-220/i2pak/d2pak figure 3. safe operating area for to-220fp figure 4. derating curve figure 5. output characteristics figure 6. dc current gain (v ce = 3 v) figure 7. dc current gain (v ce = 5 v)
bul742c, bulb742c electrical characteristics doc id 9488 rev 4 5/14 figure 8. collector - emitter saturation voltage figure 9. base-emitter saturation voltage figure 10. resistive load switching on times (h fe = 5) figure 11. resistive load switching off times (h fe = 5) figure 12. resistive load switching on times (h fe = 10) figure 13. resistive load switching off times (h fe = 10)
electrical characteristics bul742c, bulb742c 6/14 doc id 9488 rev 4 figure 14. reverse biased soa
bul742c, bulb742c test circuit doc id 9488 rev 4 7/14 3 test circuit figure 15. energy rating test circuit figure 16. resistive load switching test circuit
package mechanical data bul742c, bulb742c 8/14 doc id 9488 rev 4 4 package mechanical data in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark.
bul742c, bulb742c package mechanical data doc id 9488 rev 4 9/14 to-220 type a mechanical data dim mm min typ max a 4.40 4.60 b 0.61 0. 88 b 1 1.14 1.70 c0.4 8 0.70 d 15.25 15.75 d1 1.27 e10 10.40 e 2.40 2.70 e1 4. 9 5 5.15 f 1.23 1.32 h1 6.20 6.60 j1 2.40 2.72 l13 14 l1 3.50 3. 9 3 l20 16.40 l30 2 8 . 9 0 ? p 3.75 3. 8 5 q 2.65 2. 9 5 0015988_rev_s
package mechanical data bul742c, bulb742c 10/14 doc id 9488 rev 4 i2pak (to-262) mechanical data dim mm inch min typ max min typ max a 4.40 4.60 0.173 0.1 8 1 a1 2.40 2.72 0.094 0.107 b 0.61 0. 88 0.024 0.034 b 1 1.14 1.70 0.044 0.066 c 0.49 0.70 0.019 0.027 c2 1.23 1.32 0.04 8 0.052 d 8 .95 9.35 0.352 0.36 8 e 2.40 2.70 0.094 0.106 e1 4.95 5.15 0.194 0.202 e 10 10.40 0.393 0.410 l 13 14 0.511 0.551 l1 3.50 3.93 0.137 0.154 l2 1.27 1.40 0.050 0.055
bul742c, bulb742c package mechanical data doc id 9488 rev 4 11/14 figure 17. to-220fp drawing table 5. to-220fp mechanical data dim. mm. min. typ. max. a4.4 4.6 b2.5 2.7 d 2.5 2.75 e0.45 0.7 f0.75 1 f1 1.15 1.70 f2 1.15 1.70 g4.95 5.2 g1 2.4 2.7 h 10 10.4 l2 16 l 3 28.6 3 0.6 l4 9.8 10.6 l5 2.9 3 .6 l6 15.9 16.4 l7 9 9. 3 dia 33 .2 7012510_rev_k a b h di a l7 d e l6 l5 l2 l3 l4 f1 f2 f g g1
package mechanical data bul742c, bulb742c 12/14 doc id 9488 rev 4 d2pak (to-26 3 ) mechanical data dim. mm. min. typ. max. a 4.40 4.60 a1 0.03 0.23 b 0.70 0. 9 3 b 2 1.14 1.70 c 0.45 0.60 c2 1.23 1.36 d 8 . 9 5 9 .35 d1 7.50 e 10 10.40 e1 8 .50 e2.54 e1 4. 88 5.2 8 h15 15. 8 5 j1 2.4 9 2.6 9 l2.2 9 2.7 9 l1 1.27 1.40 l2 1.30 1.75 r0.4 v2 0 8 007 9 457_p
bul742c, bulb742c revision history doc id 9488 rev 4 1 3 /14 5 revision history table 6. document revision history date revision changes 21-jun-2004 1 first release 10-aug-2007 2 no content changes, document reformatted 27-may-2008 3 added i2pak package 3 0-nov-2010 4 added to-220fp and d2pak packages
bul742c, bulb742c 14/14 doc id 9488 rev 4 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 he rein 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 as sumes 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. i f 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 whatsoev er 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 parti cular 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 milita ry, 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 whatsoev er, 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. ? 2010 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - philippines - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com

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