catv tuning. features high capacitance ratio : c2v/c25v=11.5(typ.) low series resistance : r s =0.55 u (typ.) excellent c-v characteristics, and small tracking error. useful for small size tuner. maximum rating (ta=25 1 ) esc dim millimeters a b c d e 1.60 0.10 1.20 0.10 0.80 0.10 0.30 0.05 0.60 0.10 cathode mark d c b a 1 2 e 1. anode 2. cathode f 0.13 0.05 f + _ + _ + _ + _ + _ + _ 2000. 3. 24 1/2 semiconductor technical data KDV269E variable capacitance diode silicon epitaxial planar diode revision no : 0 electrical characteristics (ta=25 1 ) characteristic symbol rating unit reverse voltage v r 34 v peak reverse voltage v rm 36 (r l =10k u ) v junction temperature t j 125 1 storage temperature range t stg -55 125 1 characteristic symbol test condition min. typ. max. unit reverse voltage v r i r =1 a 34 - - v reverse current i r v r =28v - - 10 na capacitance c 2v v r =2v, f=1mhz 29 31.5 34 pf capacitance c 25v v r =25v, f=1mhz 2.5 2.75 2.9 pf capacitance ratio c 2v /c 25v 11.0 11.5 - - c 25v /c 28v 1.03 1.05 - series resistance r s v r =5v, f=470mhz - 0.55 0.7 u note : available in matched group for capacitance to 2.0%. c(max.)-c(min.) c(min.) # 0.02 type name marking r u (v r =2~25v)
KDV269E 2/2 2000. 3. 24 revision no : 0 -40 ambient temperature ta ( c) c - ta r reverse voltage v (v) capacitance c (pf) c - v r 0 10 500 100 50 ta=25 c -2 capacitance change ratio c (%) v v 10 20 30 f=1mhz reverse current i (a) r 0.1p 0 reverse voltage v (v) r i - v rr 8 1p 10p 100p 1000p ta=75 c ta = 50 c ta=25 c 16 24 32 r - v r reverse voltage v (v) 1 3 10 30 0 series resistance r ( ? ) r 5 f=470mhz ta=25 c s s 0.2 0.4 0.6 0.8 1.0 -20 0 20 40 60 80 -1 0 1 2 3 f=1mhz v =2v r 10v 20v 25v
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