1T379 Datasheet, PDF (1/4 Pages) Sony Corporation – Silicon Variable Capacitance Diode for Electronic Tuning of BS and CS Tuners

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