SONY 1T368A

1T368A
Variable Capacitance Diode
Description
The 1T368A is a variable capacitance diode designed
for electronic tuning of wide-band CATV tuners using
a super miniature package.
M-235
Features
• Super miniature package
• Low series resistance: 0.75Ω Max. (f = 470MHz)
• Large capacitance ratio: 11.5 Typ.
(C2/C25)
• Small leakage current: 10nA Max. (VR = 28V)
• Capacitance deviation in a matching group: within 2%
Absolute Maximum Ratings (Ta = 25°C)
• Reverse voltage
VR
34
• Operating temperature Topr
–20 to +75
• Storage temperature
Tstg –65 to +150
Applications
Electronic tuning of wide-band CATV tuners
V
°C
°C
Structure
Silicon epitaxial planar type diode
Electrical Characteristics
Item
(Ta = 25°C)
Symbol
Conditions
Reverse voltage
VR
IR = 1µA
Reverse current
IR
VR = 28V
C2
VR = 2V, f = 1MHz
C25
VR = 25V, f = 1MHz
Diode capacitance
Capacitance ratio
Min.
Typ.
Max.
34.0
Unit
V
10.0
nA
29.54
33.54
pF
2.64
2.94
pF
C2/C25
11.0
C25/C28
1.03
11.5
Series resistance
rs
CD = 14pF, f = 470MHz
0.75
Ω
Capacitance deviation in a matching group
∆C
VR = 2 to 25V, f = 1MHz
2.0
%
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.
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E99804-PS
1T368A
Diode capacitance vs. Reverse voltage
Reverse current vs. Ambient temperature
100
VR = 28V
Ta = 25°C
50
20
IR – Reverse current [pA]
C – Diode capacitance [pF]
100
10
5
10
2
1
1
2
5
10
20
50
100
VR – Reverse voltage [V]
1
–20
0
20
40
60
80
Ta – Ambient temperature [°C]
Reverse voltage vs. Ambient temperature
Forward voltage vs. Ambient temperature
50
IF = 1mA
VR – Reverse voltage [V]
VF – Forward voltage [V]
0.80
0.70
0.60
0.50
–20
0
20
40
60
80
IR = 10µA
45
40
35
–20
0
20
40
60
Ta – Ambient temperature [°C]
Ta – Ambient temperature [°C]
–2–
80
1T368A
Diode capacitance vs. Ambient temperature
1.03
C (Ta)/C (25°C) – Diode capacitance
VR = 1V
1.02
VR = 2V
VR = 7V
1.01
VR = 25V
VR = 15V
1.00
0.99
0.98
–20
0
20
40
60
80
Ta – Ambient temperature [°C]
Reverse current vs. Reverse voltage
100
Temperature coefficient of diode capacitance
1000
IR – Reverse current [pA]
Ta = 60°C
10
Ta = 25°C
Temperature coefficient [ppm/°C]
Ta = 80°C
500
200
100
50
1
1
2
5
10
VR – Reverse voltage [V]
0.1
1
3
10
30
VR – Reverse voltage [V]
–3–
20
50
1T368A
Package Outline
Unit: mm
AAA
AAA
M-235
+ 0.2
∗1.25 – 0.1
∗0.9 ± 0.1
+ 0.1
0.3 – 0.05
0.2
2.5 ± 0.2
∗1.7 ± 0.1
2
1
+ 0.1
0.3 – 0.05
0 ± 0.05
+ 0.1
0.11 – 0.06
0° to 10°
NOTE: Dimension “∗” does not include mold protrusion.
SONY CODE
M-235
EIAJ CODE
JEDEC CODE
PACKAGE WEIGHT
0.1g
Marking
CATHODE MARK
2
68
B
Notes
1) B: Lot No. (Year and Month of manufacture)
Year; Last one digit
Month; A, B, C (for Oct. to Dec.)
1 to 9 (for Jan. to Sept.)
1
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