1T368A
Variable Capacitance Diode
Description
M-235
The 1T368A is a variable capacitance diode designed
for electronic tuning of wide-band CATV tuners using
a super miniature package.
Features
• Super miniature package
• Low series resistance: 0.75Ω Max. (f = 470MHz)
• Large capacitance ratio: 11.5 Typ.
(C2/C25)
• Small leakage current: 10nA Max. (VR = 28V)
• Capacitance deviation in a matching group: within 2%
Absolute Maximum Ratings (Ta = 25°C)
• Reverse voltage
VR
34
V
°C
°C
• Operating temperature Topr
–20 to +75
Applications
• Storage temperature
Tstg –65 to +150
Electronic tuning of wide-band CATV tuners
Structure
Silicon epitaxial planar type diode
Electrical Characteristics
(Ta = 25°C)
Item
Symbol
VR
Conditions
IR = 1µA
Min. Typ. Max. Unit
Reverse voltage
Reverse current
34.0
V
IR
VR = 28V
10.0
nA
C2
VR = 2V, f = 1MHz
VR = 25V, f = 1MHz
29.54
33.54 pF
Diode capacitance
C25
2.64
2.94
pF
C2/C25
C25/C28
rs
11.0 11.5
1.03
Capacitance ratio
Series resistance
CD = 14pF, f = 470MHz
VR = 2 to 25V, f = 1MHz
0.75
2.0
Ω
Capacitance deviation in a matching group ∆C
%
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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