1T404
| Model | 1T404 |
| Description | Variable Capacitance Diode |
| PDF file | Total 4 pages (File size: 55K) |
| Chip Manufacturer | SONY |
1T404
Variable Capacitance Diode
Description
The 1T404 is a variable capacitance diode
designed for electronic tuning of wide-band CATV
tuners using a super-small-miniature flat package
(SSVC).
Features
•
Super-small-miniature flat package
•
Low series resistance: 0.75
Ω
Max. (f=470 MHz)
•
Large capacitance ratio: 11.5 Typ.
(C
2
/C
25
)
•
Small leakage current:
10 nA Max. (V
R
=28 V)
•
Capacitance deviation in a matching group:
within 2 %
Applications
Electronic tuning of wide-band CATV tuners
Structure
Silicon epitaxial planar type diode
M-290
Absolute Maximum Ratings
(Ta=25 °C)
•
Reverse voltage
V
R
34
•
Operating temperature
•
Storage temperature
Topr
Tstg
–20 to +75
–65 to +150
V
°C
°C
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
C
D
=14 pF, f=470 MHz
V
R
=2 to 25 V, f=1 MHz
Min.
Typ.
Max.
10
34.26
2.89
11.5
0.75
2
(Ta=25 °C)
Unit
nA
pF
pF
Ω
%
29.36
2.49
11.0
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—
E95917-TE
