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1W404 Datasheet

  • 1W404

  • Variable Capacitance Diode

  • 4頁

  • ETC

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TWPEC
Variable Capacitance Diode
Description
The 1W404 is a variable capacitance diode contained
for electronic tuning of wide-band CATV tuners using a
super-small-miniature flat package (SSVC).
1W404
Features
錛嶴uper-small-miniature
flat package
錛嶭ow
series resistance
0.65惟 Max (錕?frac12;錕?470MHz)
錛嶭arge
capacitance ratio
11.5
Typ
(C2/C25)
錛嶴mall
leakage current
10nA Max (V
R
=28V)
錛嶤apacitance
deviation within
錛掞紖
Absolute Maximum Ratings
(Ta=25鈩?
錛嶳everse
voltage
錛?/div>
錛?/div>
34
錛?/div>
錛嶰perating
temperature
Topr -20錕?frac12;錕?75 鈩?/div>
Applications
錛嶴torage
temperature
Tstg
-65錕?frac12;錕?150 鈩?/div>
Electronic tuning of wide-band CATV tuners
Structure
Silicon epitaxial planar type diode
Electrical Characteristics
Item
Reverse voltage
Reverse current
Diode capacitance
Capacitance ratio
Symbol
錛?/div>
R
I
R
錛?/div>
2
錛?/div>
25
錛?/div>
2
/錛?/div>
25
錛?/div>
25
/錛?/div>
28
Conditions
I
R
=1渭A
V
R
=28V
V
R
=2V, f=1MHz
V
R
=25V, f=1MHz
Min.
34
Typ.
(Ta=25鈩?
Max.
Unit
V
10
nA
pF
pF
33.50
2.90
29.50
2.60
11.0
1.03
11.5
C
D
=14pF, f=470MHz
Series resistance
rs
Tester錛?191A
Tester錛?291B
0.58
0.61
0.65
惟
%
Capacitance deviation in a
螖錛?/div>
V
R
=2錕?frac12;錕?5V, f=1MHz
2.0
matching group
鈻矯錛歍he
capacitance deviation of continuous 20 pcs of 1W404 is ranged within 2% in any
place of the taping package.
TWPEC reserves the right to change products and specifications without prior notice. This information does not
convey any license by any implication or otherwise under any patens or other right. Application circuits shown,
if any, are typical examples illustrating the operation of the devices. TWPEC cannot assume responsibility for
any problems arising out of the use of these circuits.
1

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