1T387
| Model | 1T387 |
| Description | Variable Capacitance Diode |
| PDF file | Total 4 pages (File size: 49K) |
| Chip Manufacturer | SONY |
1T387
Variable Capacitance Diode
Description
The 1T387 is a variable capacitance diode
designed for electronic tuning of BS and CS tuners
using a super miniature package (SMVC).
Features
•
Super miniature package
•
Low series resistance: 1.5Ω Max.
•
Large capacitance ratio: 14.6 Typ.
•
Small leakage current:
(f = 470MHz)
(C
1
/C
25
)
Absolute Maximum Ratings
(Ta = 25°C)
•
Reverse voltage
•
Peak reverse voltage
•
Operating temperature
•
Storage temperature
V
R
V
RM
Topr
Tstg
30
35
–20 to +75
–65 to +150
V
V
°C
°C
M-235
10nA Max. (V
R
= 25V)
•
Capacitance deviation in a matching group: within 6%
Applications
Electronic tuning of BS and CS tuners
Structure
Silicon epitaxial planar type diode
(R
L
≥
10kΩ)
Electrical Characteristics
Item
Reverse voltage
Reverse current
Diode capacitance
Capacitance ratio
Series resistance
Capacitance deviation in a matching group
Symbol
V
R
I
R
C
1
C
25
C
1
/C
25
rs
∆C
V
R
= 5V, f = 470MHz
V
R
= 1 to 25V, f = 1MHz
Conditions
I
R
= 1µA
V
R
= 25V
V
R
= 1V, f = 1MHz
V
R
= 25V, f = 1MHz
7.84
0.54
12.2
14.6
1.30
Min.
30.0
Typ.
(Ta = 25°C)
Max.
Unit
V
10.0
9.44
0.64
nA
pF
pF
Ω
%
1.50
6.0
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–
E00421-PS
