1T411
Variable Capacitance Diode
Description
M-235
The 1T411 is a variable capacitance diode
designed for analog cellular phone and it has a
super miniature package.
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
Absolute Maximum Ratings (Ta=25 °C)
3 % (max.)
• Reverse voltage
VR
30
35
V
V
• Peak reverse voltage
VRM
Structure
(RL≥10 kΩ)
–20 to +75 °C
Tstg –65 to +150 °C
Silicon epitaxial planar-type diode
• Operating temperature Topr
• Storage temperature
Electrical Characteristics
(Ta=25 °C)
Item
Symbol
IR
Conditions
Min.
Typ.
Max.
20
Unit
nA
pF
Reverse current
VR=28 V
C2
VR=2 V, f=1 MHz
VR=25 V, f=1 MHz
f=1 MHz
26.37 29.50 33.05
4.030 4.400 4.807
6.5
Diode capacitance
C25
pF
Capacitance ratio
Series resistance
C2/C25
rs
CD=14 pF, f=470 MHz
0.35
0.40
Ω
Capacitance deviation in a
matching group
∆C
VR=2 to 25 V, f=1 MHz
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
