1. product pro?le 1.1 general description the bb187 is a planar technology variable capacitance diode, in a sod523 (sc-79) ultra small plastic smd package. the excellent matching performance is achieved by gliding matching and a direct matching assembly (dma) procedure. 1.2 features n high linearity n excellent matching to 2 % dma n ultra small plastic smd package n c d(25v) : 2.75 pf; c d(2v) to c d(25v) ratio: minimum 11 n low series resistance. 1.3 applications n electronic tuning in vhf television tuners n voltage controlled oscillators (vco). 2. pinning information [1] the marking bar indicates the cathode. 3. ordering information bb187 vhf variable capacitance diode rev. 04 3 november 2004 product data sheet table 1: pinning pin description simpli?ed outline [1] symbol 1 cathode 2 anode 12 top view sym008 table 2: ordering information type number package name description version bb187 sc-79 plastic surface mounted package; 2 leads sod523
9397 750 13835 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 04 3 november 2004 2 of 7 philips semiconductors bb187 vhf variable capacitance diode 4. marking 5. limiting values 6. characteristics table 3: marking type number marking code bb187 x table 4: limiting values in accordance with the absolute maximum rating system (iec 60134). symbol parameter conditions min max unit v r reverse voltage - 32 v v rm peak reverse voltage in series with a 10 k w resistor -35v i f forward current - 20 ma t stg storage temperature - 55 +150 c t j junction temperature - 55 +125 c table 5: characteristics t j = 25 c unless otherwise speci?ed. symbol parameter conditions min typ max unit i r reverse current see figure 2 -- v r =30v --10na v r = 30 v; t j =85 c - - 200 na r s diode series resistance f = 470 mhz; v r = 5 v - - 0.75 w c d diode capacitance f = 1 mhz; see figure 1 and figure 3 v r = 2 v 29.3 - 34.2 pf v r = 25 v 2.57 2.75 2.92 pf capacitance ratio f = 1 mhz 11 - - capacitance matching v r = 2 v to 25 v; in a sequence of 10 diodes (gliding) --2% c d2v () c d25v () ------------------- c d d c d ----------
9397 750 13835 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 04 3 november 2004 3 of 7 philips semiconductors bb187 vhf variable capacitance diode f = 1 mhz; t j =25 c. fig 1. diode capacitance as a function of reverse voltage; typical values. fig 2. reverse current as a function of junction temperature; maximum values. fig 3. temperature coef?cient of diode capacitance as a function of reverse voltage; typical values. mcd781 20 30 10 40 50 c d (pf) 0 v r (v) 10 - 1 10 2 10 1 mlc816 10 2 10 10 3 i r (na) 1 t j ( c) 0 100 80 40 60 20 mlc815 110 10 - 3 10 - 4 10 - 5 10 - 1 10 2 v r (v) tc d (k - 1 )
9397 750 13835 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 04 3 november 2004 4 of 7 philips semiconductors bb187 vhf variable capacitance diode 7. package outline fig 4. package outline sod523 (sc-79). 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
9397 750 13835 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 04 3 november 2004 5 of 7 philips semiconductors bb187 vhf variable capacitance diode 8. revision history table 6: revision history document id release date data sheet status change notice doc. number supersedes bb187_4 20041103 product data sheet - 9397 750 13835 bb187_3 modi?cations: ? the format of this data sheet has been redesigned to comply with the new presentation and information standard of philips semiconductors ? t ab le 5 char acter istics : d c d /c d conditions changed from sequence of 15 diodes to sequence of 10 diodes ? t ab le 5 char acter istics : added typical value of 2.75 pf for c d(25v) . bb187_3 20020220 product speci?cation - 9397 750 09385 bb187_2 bb187_2 19991019 product speci?cation - 9397 750 06459 bb187_1 bb187_1 19990915 preliminary speci?cation - 9397 750 06307 -
philips semiconductors bb187 vhf variable capacitance diode 9397 750 13835 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 04 3 november 2004 6 of 7 9. data sheet status [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 l atest 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. 10. de?nitions short-form speci?cation the data in a short-form speci?cation 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 de?nition 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 speci?cation 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 speci?ed use without further testing or modi?cation. 11. disclaimers life support 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 noti?cation (cpcn). philips semiconductors assumes no responsibility or liability for the use of any of these products, conveys no license 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 speci?ed. 12. contact information for additional information, please visit: http://www.semiconductors.philips.com for sales of?ce addresses, send an email to: sales.addresses@www.semiconductors.philips.com level data sheet status [1] product status [2] [3] de?nition 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).
? koninklijke philips electronics n.v. 2004 all rights are reserved. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. 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 convey nor imply any license under patent- or other industrial or intellectual property rights. date of release: 3 november 2004 document number: 9397 750 13835 published in the netherlands philips semiconductors bb187 vhf variable capacitance diode 13. contents 1 product pro?le . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 general description. . . . . . . . . . . . . . . . . . . . . . 1 1.2 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.3 applications . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 pinning information . . . . . . . . . . . . . . . . . . . . . . 1 3 ordering information . . . . . . . . . . . . . . . . . . . . . 1 4 marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 5 limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 2 6 characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 2 7 package outline . . . . . . . . . . . . . . . . . . . . . . . . . 4 8 revision history . . . . . . . . . . . . . . . . . . . . . . . . . 5 9 data sheet status . . . . . . . . . . . . . . . . . . . . . . . . 6 10 de?nitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 11 disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 12 contact information . . . . . . . . . . . . . . . . . . . . . 6
|
