d a t a sh eet product speci?cation supersedes data of december 1993 file under discrete semiconductors, sc01 1996 may 03 discrete semiconductors bb911/a vhf variable capacitance diode m3d051
1996 may 03 2 philips semiconductors product speci?cation vhf variable capacitance diode bb911/a features high linearity matched to 2.5% hermetically sealed leaded glass sod68 (do-34) package c28: 2.7 pf; ratio: 25. applications electronic tuning in vhf television tuners, band a up to 160 mhz vco. description the bb911/a is a variable capacitance diode, fabricated in planar technology, and encapsulated in the hermetically sealed leaded glass sod68 (do-34) package. limiting values in accordance with the absolute maximum rating system (iec 134). symbol parameter min. max. unit v r continuous reverse voltage - 30 v i f continuous forward current - 20 ma t stg storage temperature - 55 +150 c t j operating junction temperature - 55 +100 c fig.1 simplified outline (sod68; do-34) and symbol. cathode side indicated by a red band on a black body. additional white band. handbook, halfpage mam234 k a electrical characteristics t j =25 c; unless otherwise speci?ed. note 1. v r is the value at which c d = 40 pf. symbol parameter conditions min. typ. max. unit i r reverse current v r = 30 v; see fig.3 -- 10 na v r = 30 v; t j =85 c; see fig.3 -- 200 na r s diode series resistance f = 100 mhz; note 1 -- 2 w c d diode capacitance v r = 0.5 v; f = 1 mhz; see figs 2 and 4 60 - 75 pf v r = 28 v; f = 1 mhz; see figs 2 and 4 2.4 - 2.9 pf capacitance ratio f = 1 mhz 23.3 - 28.4 capacitance matching v r = 0.5 to 28 v -- 2.5 % c d 0.5v () c d28v () --------------------- - c d d c d ----------
1996 may 03 3 philips semiconductors product speci?cation vhf variable capacitance diode bb911/a graphical data fig.2 diode capacitance as a function of reverse voltage; typical values. f = 1 mhz; t j =25 c . handbook, full pagewidth 0 75 mrc283 - 1 10 2 10 1 10 - 1 25 50 c d (pf) v r (v) fig.3 reverse current as a function of junction temperature; maximum values. handbook, halfpage 100 0 10 mlc816 10 2 10 3 50 i r (na) t ( c) j o fig.4 temperature coefficient of diode capacitance as a function of reverse voltage; typical values. t j = 0 to 85 c. handbook, halfpage mlc815 11010 2 10 3 10 4 10 5 10 1 (k - 1 ) v (v) r d tc
1996 may 03 4 philips semiconductors product speci?cation vhf variable capacitance diode bb911/a package outline definitions 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 customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify philips for any damages resulting from such improper use or sale. data sheet status objective speci?cation this data sheet contains target or goal speci?cations for product development. preliminary speci?cation this data sheet contains preliminary data; supplementary data may be published later. product speci?cation this data sheet contains ?nal product speci?cations. limiting values limiting values given are in accordance with the absolute maximum rating system (iec 134). 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 where application information is given, it is advisory and does not form part of the speci?cation. dimensions in mm. (1) cathode side indicated by a red band on a black body. (2) additional white band. fig.5 sod68 (do-34). 1.6 max 25.4 min 25.4 min 3.04 max 0.55 max mbc040 (1) (2)
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