2007-04-20 1 bb439... silicon variable capacitance diode ? for vhf tuned circuit applications ? high figure of merit ? pb-free (rohs compliant) package 1) ? qualified according aec q101 bb439 type package configuration l s (nh) marking bb439 sod323 single 1.8 white 2 maximum ratings at t a = 25c, unless otherwise specified parameter symbol value unit diode reverse voltage v r 28 v peak reverse voltage ( r 5k ? ) v rm 30 forward current i f 20 ma operating temperature range t op -55 ... 125 c storage temperature t stg -55 ... 150 1 pb-containing package may be available upon special request
2007-04-20 2 bb439... electrical characteristics at t a = 25c, unless otherwise specified parameter symbol values unit min. typ. max. dc characteristics reverse current v r = 28 v v r = 28 v, t a = 85 c i r - - - - 20 200 na ac characteristics diode capacitance v r = 1 v, f = 1 mhz v r = 2 v, f = 1 mhz v r = 3 v, f = 1 mhz v r = 25 v, f = 1 mhz c t - 31.5 26.5 4.3 43 34.5 29 5.1 - 37.5 31.5 6 pf capacitance ratio v r = 2 v, v r = 25 v, f = 1 mhz c t2 / c t25 6 6.9 8 capacitance ratio v r = 3 v, v r = 25 v, f = 1 mhz c t3 / c t25 5 5.8 6.5 capacitance matching 1) v r = 3 v, v r = 25 v, f = 1 mhz ? c t / c t - - 3 % series resistance v r = 10 v, f = 100 mhz r s - 0.35 0.5 ? figure of merit v r = 3 v, f = 50 mhz v r = 25 v, f = 200 mhz q - - 280 600 - - 1 for details please refer to application note 047.
2007-04-20 3 bb439... diode capacitance c t = ? ( v r ) f = 1mhz 10 ehd07036 bb 439 c t r v -1 0 10 1 10 2 10 v 0 10 20 30 40 50 pf 60 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
2007-04-20 4 bb439... package sod323 package outline foot print marking layout (example) standard packing reel ?180 mm = 3.000 pieces/reel reel ?330 mm = 10.000 pieces/reel bar63-03w type code cathode marking laser marking 0.8 0.8 0.6 1.7 marking cathode 0.2 2.5 0.25 0.3 1 -0.05 m a +0.1 +0.2 2 1.25 -0.1 +0.05 -0.2 1.7 0.3 0.15 -0.06 +0.1 0 0.05 +0.2 -0.1 a 0.9 +0.2 -0.1 0.15 0.45 0.2 4 8 2.9 1 2 1.35 0.65 cathode marking
2007-04-20 5 bb439... edition 2006-02-01 published by infineon technologies ag 81726 mnchen, germany ? infineon technologies ag 2007. all rights reserved. attention please! the information given in this dokument shall in no event be regarded as a guarantee of conditions or characteristics (?beschaffenheitsgarantie?). with respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, infineon technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation warranties of non-infringement of intellectual property rights of any third party. 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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