oct-25-2002 1 bb679... silicon variable capacitance diode designed for tuning wideband catv-tuners high capacitance ratio c 1v / c 28v (typ. 18.3) low series resistance excellent uniformity and matching due to "in-line" matching assembly procedure bB679-02V type package configuration l s (nh) marking bB679-02V* sc79 single 0.6 k * preliminary maximum ratings at t a = 25c, unless otherwise specified parameter symbol value unit diode reverse voltage v r 30 v peak reverse voltage ( r 5k ) v rm 35 forward current i f 20 ma operating temperature range t op -55 ... 125 c storage temperature t st g -55 ... 150
oct-25-2002 2 bb679... electrical characteristics at t a = 25c, unless otherwise specified parameter symbol values unit min. typ. max. dc characteristics reverse current v r = 30 v v r = 30 v, t a = 85 c i r - - - - 10 100 na ac characteristics diode capacitance v r = 1 v, f = 1 mhz v r = 2 v, f = 1 mhz v r = 25 v, f = 1 mhz v r = 28 v, f = 1 mhz c t 43.5 33 2.55 2.4 47.5 36 2.75 2.6 51.5 38.8 2.95 2.8 pf capacitance ratio v r = 1 v, v r = 28 v, f = 1 mhz c t1 / c t28 16.5 18.3 20 - capacitance ratio v r = 2 v, v r = 25 v, f = 1 mhz c t2 / c t25 12 13.1 14.5 capacitance matching 1) v r = 1 v, v r = 28 v, f = 1 mhz c t / c t - - 2 % series resistance v r = 5 v, f = 470 mhz r s - 0.6 0.8 1 for details please refer to application note 047.
oct-25-2002 3 bb679... diode capacitance c t = (v r ) f = 1mhz 10 0 10 1 10 2 v vr 0 10 1 10 2 10 pf ct normalized diode capacitance c (ta) / c (25c) = ( t a ); f = 1mhz -40 -20 0 20 40 60 c 100 t a 0.97 0.98 0.99 1 1.01 1.02 1.04 c ta / c 25c 1 v 2 v 7 v 15 v 25 v 28 v temperature coefficient of the diode capacitance t cc = ( v r ) 10 0 10 1 10 2 v v r -5 10 -4 10 -3 10 1/c t cc reverse current i r = ( t a ) v r = 28 v -40 -20 0 20 40 60 c 100 t a -12 10 -11 10 -10 10 -9 10 a i r
oct-25-2002 4 bb679... reverse current i r = ( v r ) t a = parameter 10 0 10 1 10 2 v v r -13 10 -12 10 -11 10 -10 10 -9 10 a i r 25c 60c 85c reverse voltage v br = ( t a ) i r = 5a -40 -20 0 20 40 60 c 100 t a 30 35 v 45 v br
package sc79 package outline foot print marking layout packing code e6327: reel ?180 mm = 3.000 pieces/reel code e6433: reel ?330 mm = 10.000 pieces/reel 0.1 1.6 0.3 1 2 marking cathode 0.8 0.1 10 ? max. 0.1 1.2 a 0.05 10 ? max. 0.13 a 0.2 m +0.05 -0.03 0.04 0.55 0.05 0.2 0.35 0.35 1.35 type code laser marking date code bar63-02v cathode marking 2003, july example 0.93 0.4 1.33 4 1.96 8 0.66 0.2 cathode marking
package sc79 62 data code marking for discrete packages with one digit (scd80, sc79) ces-code month 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 01apapapapapap 02b q bqb q bqb q bq 03crcrcrcrcrcr 04d s dsd s dsd s ds 05etetetetetet 06fufufufufufu 07g v gv g v gv g v gv 08hxhxhxhxhxhx 09j y jyj y jyj y jy 10kzkzkzkzkzkz 11l 2l4 l 2l4 l 2l4 12n3n5n3n5n3n5
impressum published by infineon technologies ag, st.-martin-strasse 53, 81669 mnchen ? infineon technologies ag 2005. all rights reserved. attention please! the information herein is given to describe certain components and shall not be considered as a guarantee of characteristics. terms of delivery and rights to technical change reserved. we hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. information for further information on technology, delivery terms and conditions and prices please contact your nearest infineon technologies office (www.infineon.com). warnings due to technical requirements components may contain dangerous substances. for information on the types in question please contact your nearest infineon technologies office. infineon technologies components may only be used in life-support devices or systems with the express written approval of infineon technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. if they fail, it is reasonable to assume that the health of the user or other persons may be endangered.
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