1T411 Datasheet, PDF (1/4 Pages) Sony Corporation – Variable Capacitance Diode

Variable Capacitance Diode
1T411
Description
The 1T411 is a variable capacitance diode
designed for analog cellular phone and it has a
super miniature package.
M-235
Features
• Super miniature package
• Small series resistance 0.40 Ω Max. (f=470 MHz)
• Large capacitance ratio 6.5 Typ. (C2/C25)
• Capacitance deviation in a matching group
3 % (max.)
Structure
Silicon epitaxial planar-type diode
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
Electrical Characteristics
Item
Reverse current
Diode capacitance
Capacitance ratio
Series resistance
Capacitance deviation in a
matching group
Symbol
IR
C2
C25
C2/C25
rs
Conditions
VR=28 V
VR=2 V, f=1 MHz
VR=25 V, f=1 MHz
f=1 MHz
CD=14 pF, f=470 MHz
∆C VR=2 to 25 V, f=1 MHz
Min.
26.37
4.030
Typ.
29.50
4.400
6.5
0.35
(Ta=25 °C)
Max. Unit
20
nA
33.05 pF
4.807 pF
0.40
Ω
3
%
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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E95304B83-TE