Variable Capacitance Diodes
MA2Z374
Silicon epitaxial planar type
Unit : mm
For CATV tuner
I
Features
•
S-mini type package, allowing downsizing of equipment and
automatic insertion through the taping package
0.4
±
0.15
INDICATES
CATHODE
0.4
±
0.15
1
2
1.7
±
0.1
2.5
±
0.2
I
Absolute Maximum Ratings
T
a
=
25°C
Reverse voltage (DC)
Peak reverse voltage
*
Junction temperature
Storage temperature
Note) * : R
L
= 10 kΩ
V
R
V
RM
T
j
T
stg
34
35
150
−55
to
+150
V
V
°C
°C
0.9
±
0.1
0.16
−
0.06
+
0.1
Parameter
Symbol
Rating
Unit
0 to 0.05
1 : Anode
2 : Cathode
S-Mini Type Package (2-pin)
Marking Symbol: 7A
I
Electrical Characteristics
T
a
=
25°C
Parameter
Reverse current (DC)
Diode capacitance
Symbol
I
R
C
D(0V)
*1
Conditions
V
R
= 30 V
V
R
= 0 V, f = 1 MHz
V
R
= 2 V, f = 1 MHz
V
R
= 25 V, f = 1 MHz
V
R
= 10 V, f = 1 MHz
V
R
= 17 V, f = 1 MHz
C
D(2V)(10V)(17V)(25V)
C
D
= 9 pF, f = 470 MHz
Min
Typ
Max
10
0.3
−0.05
+0.1
Unit
nA
pF
87
44.00
2.60
8.80
3.70
15.0
2.0
0.9
50.79
3.03
13.08
5.04
C
D(2V)
C
D(25V)
C
D(10V)
C
D(17V)
Capacitance ratio
Diode capacitance deviation
Series resistance
*2
pF
pF
pF
pF
%
Ω
C
D(2V)
/C
D(25V)
∆C
r
D
Note) 1．
Rated input/output frequency: 470 MHz
2． 1 : Measurement at Low Signal Level
*
*2 : r
f
measuring instrument: YHP MODEL 4191A RF IMPEDANCE ANALYZER
1.25
±
0.1
1
MA2Z374
C
D
V
R
100
f
=
1 MHz
T
a
=
25°C
120
Variable Capacitance Diodes
I
F
V
F
1.03
C
D
T
a
f
=
1 MHz
50
100
1.02
Diode capacitance C
D
(pF)
30
20
Forward current I
F
(mA)
V
R
=
2 V
C
D
(T
a
)
C
D
(T
a
=
25°C)
80
T
a
=
60°C
25°C
−
40°C
1.01
10 V
17 V
25 V
10
60
1.00
5
3
2
40
0.99
20
0.98
1
0
4
8 12 16 20 24 28 32 36 40
0
0
0.2
0.4
0.6
0.8
1.0
1.2
0.97
0
20
40
60
80
100
Reverse voltage V
R
(V)
Forward voltage V
F
(V)
Ambient temperature T
a
(
°C
)
I
R
T
a
100
Reverse current I
R
(nA)
10
1
0.1
0.01
0
40
80
120
160
200
Ambient temperature T
a
(
°C
)
C
D
rank classification
Primary rank classification
C
D(25V)
(pF)
Secondary rank classification
C
D(17V)
(pF)
3.01
2.61
2.65
2.69
2.73
2.77
2.81
2.85
2.89
2.93
2.97
44.22
44.88
45.55
10 9
9
8
7
8
7
6
5
4
3
2
1
Tracking guarantee range
(Capacitance deviation 2.0%)
C
D(2V)
(pF)
46.23
46.92
47.62
48.33
49.05
49.79
50.54
5
4
3
2
1
2
C
D(10V)
(pF)
6
8.84
8.97
9.10
9.24
9.38
9.52
9.66
9.80
9.95
10.10
10.25
10.40
10.58
10.72
10.88
11.04
11.21
11.38
11.55
11.72
11.90
12.08
12.28
12.44
12.63
12.82
13.01
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
3.72
3.78
3.84
3.90
3.96
4.02
4.08
4.14
4.20
4.26
4.32
4.38
4.45
4.52
4.59
4.66
4.73
4.80
4.87
4.94
5.01
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Microcontroller MCU
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