1T411
Variable Capacitance Diode
Description
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. (C
2
/C
25
)
•
Capacitance deviation in a matching group
3 % (max.)
Structure
Silicon epitaxial planar-type diode
Absolute Maximum Ratings
(Ta=25 °C)
•
Reverse voltage
•
Peak reverse voltage
•
Operating temperature
•
Storage temperature
V
R
V
RM
Topr
Tstg
30
V
35
V
(R
L
≥10
kΩ)
–20 to +75
–65 to +150
°C
°C
M-235
Electrical Characteristics
Item
Reverse current
Diode capacitance
Capacitance ratio
Series resistance
Capacitance deviation in a
matching group
Symbol
I
R
C
2
C
25
C
2
/C
25
rs
∆C
Conditions
V
R
=28 V
V
R
=2 V, f=1 MHz
V
R
=25 V, f=1 MHz
f=1 MHz
C
D
=14 pF, f=470 MHz
V
R
=2 to 25 V, f=1 MHz
Min.
26.37
4.030
Typ.
29.50
4.400
6.5
0.35
Max.
20
33.05
4.807
0.40
3
(Ta=25 °C)
Unit
nA
pF
pF
Ω
%
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—
E95304B83-TE
SONY [ SONY CORPORATION ]
