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Sony Corporation - Variable Capacitance Diode

Numéro de référence 1T404
Description Variable Capacitance Diode
Fabricant Sony Corporation 
Logo Sony Corporation 





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1T404 fiche technique
Variable Capacitance Diode
1T404
Description
The 1T404 is a variable capacitance diode
designed for electronic tuning of wide-band CATV
tuners using a super-small-miniature flat package
(SSVC).
M-290
Features
Super-small-miniature flat package
Low series resistance: 0.75 Max. (f=470 MHz)
Large capacitance ratio: 11.5 Typ. (C2/C25)
Small leakage current: 10 nA Max. (VR=28 V)
Capacitance deviation in a matching group:
within 2 %
Applications
Electronic tuning of wide-band CATV tuners
Absolute Maximum Ratings (Ta=25 °C)
Reverse voltage
VR 34
Operating temperature Topr –20 to +75
Storage temperature Tstg –65 to +150
V
°C
°C
Structure
Silicon epitaxial planar type diode
Electrical Characteristics
(Ta=25 °C)
Item Symbol Conditions
Min. Typ. Max. Unit
Reverse current
IR VR=28 V
10
C2 VR=2 V, f=1 MHz
Diode capacitance
C25 VR=25 V, f=1 MHz
29.36
2.49
34.26
2.89
Capacitance ratio C2/C25
11.0 11.5
Series resistance
rs CD=14 pF, f=470 MHz
0.75
Capacitance
deviation in a
C VR=2 to 25 V, f=1 MHz
2
matching group
nA
pF
pF
%
Sony 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 patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
—1—
E95917-TE

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