1T405 Datasheet, PDF (1/4 Pages) Sony Corporation – Variable Capacitance Diode

1T405
Variable Capacitance Diode
For the availability of this product, please contact the sales office.
Description
The 1T405 is a variable capacitance diode
M-290
designed for electronic tuning of wide-band CATV
tuners using a super-small-miniature flat package
(SSVC).
Features
• Super-small-miniature flat package
• Low series resistance: 0.85 Ω Max. (f=470 MHz)
• Large capacitance ratio: 12.5 Typ. (C2/C25)
• Small leakage current: 10 nA Max. (VR=28 V)
• Capacitance deviation in a matching group:
within 2%
Applications
Electronic tuning of UHF and wide-band CATV
tuners
Absolute Maximum Ratings (Ta=25 °C)
• Reverse voltage
VR
34
V
• 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
Reverse voltage
VR
IR=1 µA
34
V
C2
VR=2 V, f=1 MHz
Diode capacitance
C25 VR=25 V, f=1 MHz
32.96
2.53
38.96
pF
2.96
pF
Capacitance ratio C2/C25
12.0
12.5
Series resistance
rs
CD=14 pF, f=470 MHz
0.85
Ω
Capacitance
deviation in a
∆C VR=2 to 25 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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E95918-TE