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1T403 Datasheet, PDF (1/4 Pages) Sony Corporation – Variable Capacitance Diode
Variable Capacitance Diode
1T403
Description
The 1T403 is a variable capacitance diode
designed for electronic tuning of VHF TV tuners and
CATV tuners using a super-small-miniature flat
package (SSVC).
M-290
Features
• Super-small-miniature flat package
• Low series resistance: 0.8 Ω Max. (f=470 MHz)
• Large capacitance ratio: 15.0 Typ. (C1/C28)
• Small leakage current: 10 nA Max. (VR=28 V)
• Capacitance deviation in a matching group:
within 2 %
Applications
Electronic tuning of TV and CATV tuners
Absolute Maximum Ratings (Ta=25 °C)
• Reverse voltage
VR
30
V
• Peak reverse voltage VRM
35
V
(RL≥10 kΩ)
• Operating temperature Topr –20 to +75 °C
• Storage temperature Tstg –65 to +150 °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
nA
C1
VR=1 V, f=1 MHz
Diode capacitance
C28 VR=28 V, f=1 MHz
34.61
2.321
42.31
pF
2.714
pF
Capacitance ratio C1/C28
13.5
15.0
Series resistance
rs
CD=14 pF, f=470 MHz
0.75
0.80
Ω
Capacitance
deviation in a
∆C VR=1 to 28 V, f=1 MHz
2
%
matching group
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.
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E95916-TE