1T379
Silicon Variable Capacitance Diode for Electronic Tuning of BS and CS Tuners
Description
M-235
The 1T379 is a variable capacitance diode
designed for the electronic tuning of BS and CS
tuners, and it has a super miniature package.
Features
• Super miniature package
• Small series resistance 1.50 Ω Max. (f=470 MHz)
• Large capacitance ratio 12.0
Typ. (C1/C25)
• Small capacitance
0.60 pF Max. (VR=25 V)
Absolute Maximum Ratings (Ta=25 °C)
• Reverse voltage
VR
30
35
V
V
Structure
• Maximum reverse voltage VRM
Silicon epitaxial planar-type diode
(RL≥10 kΩ)
Topr –20 to +75 °C
• Operating temperature
• Storage temperature
Tstg –65 to +150 °C
Electrical Characteristics
(Ta=25 °C)
Item
Reverse current
Reverse voltage
Symbol
Conditions
Min.
Typ.
12.0
Max.
10
Unit
nA
V
IR
VR
VR=25 V
IR=1 µA
30
6.0
C1
VR=1 V, f=1 MHz
VR=25 V, f=1 MHz
f=1 MHz
7.2
0.6
pF
pF
Diode capacitance
C25
C1/C25
rs
0.5
Capacitance ratio
Series resistance
10.0
VR=5 V, f=470 MHz
1.50
6
Ω
Capacitance deviation in a
matching group
∆C
VR=1 to 25 V, f=1 MHz
%
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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E94205B82-TE
