2007-04-20 1 bb814... silicon variable capacitance diodes ? for fm radio tuners with extended frequency band ? high tuning ratio at low supply voltage (car radio) ? monolithic chip (common cathode) for perfect dual diode tracking ? coded capacitance groups and group matching available ? pb-free (rohs compliant) package 1) ? qualified according aec q101 bb814 type package configuration l s (nh) marking bb814 sot23 common cathode 1.8 sh1/2* *for differences see next page capacitance groups maximum ratings at t a = 25c, unless otherwise specified parameter symbol value unit diode reverse voltage v r 18 v peak reverse voltage- v rm 20 forward current i f 50 ma operating temperature range t op -55 ... 125 c storage temperature t st g -55 ... 150 1 pb-containing package may be available upon special request
2007-04-20 2 bb814... electrical characteristics at t a = 25c, unless otherwise specified parameter symbol values unit min. typ. max. dc characteristics reverse current v r = 16 v v r = 16 v, t a = 60 c i r - - - - 20 200 na ac characteristics diode capacitance 1) v r = 2 v, f = 1 mhz v r = 8 v, f = 1 mhz c t 43 19.1 44.75 20.8 46.5 22.7 pf capacitance ratio v r = 2 v, v r = 8 v, f = 1 mhz c t2 / c t8 2.05 2.15 2.25 capacitance matching 2) v r = 2 v, v r = 8 v, f = 1 mhz ? c t / c t - - 3 % series resistance v r = 2 v, f = 100 mhz r s - 0.18 - ? q factor f = 100 mhz, v r = 2 v q - 200 - 1 capacitance groups at 2v and 8v, coded 1; 2 c t /groups 1 2 c 2v min 43pf 44.5pf c 2v max 45pf 46.5pf c 8v min 19.1pf 19.75pf c 8v max 21.95pf 22.7pf 2 for details please refer to application note 047.
2007-04-20 3 bb814... diode capacitance c t = ? ( v r ) f = 1mhz 10 ehd07054 bb 814 c t r v -1 0 10 1 10 2 10 v 0 10 20 30 40 50 60 70 pf 80 capacitance ratio c tref / c t = ? ( v r ) f = 1mhz 0 0 ehd07057 bb 814 c t r v tref c 51015v20 1 2 3 4 5 6 v ref = 1 v 2 v 3 v
2007-04-20 4 bb814... package sot23 package outline foot print marking layout (example) standard packing reel ?180 mm = 3.000 pieces/reel reel ?330 mm = 10.000 pieces/reel eh s bcw66 type code pin 1 0.8 0.9 0.9 1.3 0.8 1.2 0.25 m bc 1.9 -0.05 +0.1 0.4 0.1 2.9 0.95 c b 0...8? 0.2 a 0.1 max. 10? max. 0.08...0.15 1.3 0.1 10? max. m 2.4 0.15 0.1 1 a 0.15 min. 1) 1) lead width can be 0.6 max. in dambar area 12 3 3.15 4 2.65 2.13 0.9 8 0.2 1.15 pin 1 manufacturer 2005, june date code (ym)
2007-04-20 5 bb814... 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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