d a t a sh eet product speci?cation 2003 aug 12 discrete semiconductors BAS521 high voltage switching diode m3d319
2003 aug 12 2 philips semiconductors product speci?cation high voltage switching diode BAS521 features high switching speed: max. 50 ns high continuous reverse voltage: 300 v repetitive peak forward current: 625 ma ultra small plastic smd package. applications high speed switching high voltage switching. description the BAS521 is a high-voltage switching diode fabricated in planar technology and encapsulated in an ultra small sod523 (sc-79) plastic smd package. pinning pin description 1 cathode 2 anode handbook, halfpage 12 top view mam408 fig.1 simplified outline (sod523; sc-79), and symbol. marking code: l4. the marking bar indicates the cathode. limiting values in accordance with the absolute maximum rating system (iec 60134). note 1. t s is the temperature at the soldering point of the cathode tab. symbol parameter conditions min. max. unit v r continuous reverse voltage - 300 v v rrm repetitive peak reverse voltage - 300 v i f continuous forward current t s 90 c; note 1 - 250 ma i frm repetitive peak forward current t p = 1 ms; d = 0.25 - 1a i fsm non-repetitive peak forward current t p =1 m s; square wave; t j =25 c prior to surge - 4.5 a p tot total power dissipation t s 90 c; note 1 - 500 mw t stg storage temperature - 65 +150 c t j junction temperature - 150 c t amb operating ambient temperature - 65 +150 c
2003 aug 12 3 philips semiconductors product speci?cation high voltage switching diode BAS521 electrical characteristics t amb =25 c unless otherwise speci?ed. note 1. pulse test: t p = 300 m s; d = 0.02. thermal characteristics notes 1. soldering point of the cathode tab. 2. refer to sod523 (sc-79) standard mounting conditions. symbol parameter conditions min. typ. max. unit v br breakdown voltage i r = 100 m a 300 340 - v v f forward voltage i f = 100 ma; note 1 - 0.95 1.1 v i r reverse current v r = 250 v - 30 150 na v r = 250 v; t a = 150 c - 40 100 m a t rr reverse recovery time when switched from i f = 30 ma to i r = 30 ma; r l = 100 w ; measured at i r =3ma - 16 50 ns c d diode capacitance v r = 0 v; f = 1 mhz - 0.4 5 pf symbol parameter conditions value unit r th j-s thermal resistance from junction to solder point note 1 120 k/w r th j-a thermal resistance from junction to ambient note 2 500 k/w
2003 aug 12 4 philips semiconductors product speci?cation high voltage switching diode BAS521 graphical data handbook, halfpage 0 0.5 1 (2) 1.5 i f (ma) v f (v) 500 0 400 300 200 100 mhc618 (1) (3) fig.2 forward current as a function of forward voltage; typical values. (1) t amb = 150 c. (2) t amb =75 c. (3) t amb =25 c. handbook, halfpage 200 0 40 80 120 i r ( m a) 160 t j ( c) 10 2 10 1 10 - 1 10 - 2 mhc619 fig.3 reverse current as a function of junction temperature. v r =v rmax ; typical values. handbook, halfpage 0 300 200 100 0 50 100 200 t amb ( c) 150 i f (ma) mhc620 fig.4 maximum permissible continuous forward current as a function of ambient temperature. handbook, halfpage 01020 40 0.42 0.3 0.34 0.38 30 c d (pf) v r (v) mhc621 fig.5 diode capacitance as a function of reverse voltage; typical values.
2003 aug 12 5 philips semiconductors product speci?cation high voltage switching diode BAS521 handbook, full pagewidth mbg703 10 t p ( m s) 1 i fsm (a) 10 2 10 - 1 10 4 10 2 10 3 10 1 fig.6 maximum permissible non-repetitive peak forward current as a function of pulse duration. based on square wave currents. t j =25 c prior to surge.
2003 aug 12 6 philips semiconductors product speci?cation high voltage switching diode BAS521 package outline references outline version european projection issue date iec jedec jeita sod523 sc-79 98-11-25 02-12-13 plastic surface mounted package; 2 leads sod523 0 0.5 1 mm scale d 12 h e e b p a c v m a a unit b p cd e v mm ah e dimensions (mm are the original dimensions) note 1. the marking bar indicates the cathode. (1) 0.34 0.26 0.17 0.11 0.1 0.85 0.75 1.25 1.15 0.65 0.58 1.65 1.55
2003 aug 12 7 philips semiconductors product speci?cation high voltage switching diode BAS521 data sheet status notes 1. please consult the most recently issued data sheet before initiating or completing a design. 2. the product status of the device(s) described in this data sheet may have changed since this data sheet was published. the latest information is available on the internet at url http://www.semiconductors.philips.com. 3. for data sheets describing multiple type numbers, the highest-level product status determines the data sheet status. level data sheet status (1) product status (2)(3) definition i objective data development this data sheet contains data from the objective speci?cation for product development. philips semiconductors reserves the right to change the speci?cation in any manner without notice. ii preliminary data quali?cation this data sheet contains data from the preliminary speci?cation. supplementary data will be published at a later date. philips semiconductors reserves the right to change the speci?cation without notice, in order to improve the design and supply the best possible product. iii product data production this data sheet contains data from the product speci?cation. philips semiconductors reserves the right to make changes at any time in order to improve the design, manufacturing and supply. relevant changes will be communicated via a customer product/process change noti?cation (cpcn). definitions short-form specification ? the data in a short-form specification is extracted from a full data sheet with the same type number and title. for detailed information see the relevant data sheet or data handbook. limiting values definition ? limiting values given are in accordance with the absolute maximum rating system (iec 60134). stress above one or more of the limiting values may cause permanent damage to the device. these are stress ratings only and operation of the device at these or at any other conditions above those given in the characteristics sections of the specification is not implied. exposure to limiting values for extended periods may affect device reliability. application information ? applications that are described herein for any of these products are for illustrative purposes only. philips semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or modification. disclaimers life support applications ? these products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. philips semiconductors customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify philips semiconductors for any damages resulting from such application. right to make changes ? philips semiconductors reserves the right to make changes in the products - including circuits, standard cells, and/or software - described or contained herein in order to improve design and/or performance. when the product is in full production (status production), relevant changes will be communicated via a customer product/process change notification (cpcn). philips semiconductors assumes no responsibility or liability for the use of any of these products, conveys no licence or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless otherwise specified.
? koninklijke philips electronics n.v. 2003 sca75 all rights are reserved. reproduction in whole or in part is prohibited without the prior written consent of the copyright owne r. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. no liability will be accepted by the publisher for any consequence of its use. publication thereof does not con vey nor imply any license under patent- or other industrial or intellectual property rights. philips semiconductors C a worldwide company contact information for additional information please visit http://www.semiconductors.philips.com . fax: +31 40 27 24825 for sales of?ces addresses send e-mail to: sales.addresses@www.semiconductors.philips.com . printed in the netherlands 613514/01/pp 8 date of release: 2003 aug 12 document order number: 9397 750 11448
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