PANASONIC MA2Z357

Variable Capacitance Diodes
MA2Z357
Silicon epitaxial planar type
Unit : mm
INDICATES
CATHODE
2
0.4 ± 0.15
1.7 ± 0.1
2.5 ± 0.2
Reverse voltage (DC)
VR
34
V
Peak reverse voltage*
VRM
35
V
Junction temperature
Tj
150
°C
Storage temperature
Tstg
−55 to +150
°C
+ 0.1
Unit
0 to 0.05
Rating
0.9 ± 0.1
Symbol
0.16 − 0.06
■ Absolute Maximum Ratings Ta = 25°C
Parameter
+ 0.1
1
• Large capacitance ratio
• Small series resistance rD
0.3 − 0.05
■ Features
0.4 ± 0.15
1.25 ± 0.1
For CATV tuner
1 : Anode
2 : Cathode
S-Mini Type Package (2-pin)
Note) * : RL = 10 kΩ
Marking Symbol: 7K
■ Electrical Characteristics Ta = 25°C
Parameter
Reverse current (DC)
Diode capacitance
Capacitance ratio
Diode capacitance deviation
Series
resistance*2
Symbol
IR
Conditions
Min
VR = 30 V
CD(0V)*1
VR = 0 V, f = 1 MHz
58.0
Typ
Max
Unit
10
nA
pF
CD(2V)
VR = 2 V, f = 1 MHz
29.00
34.30
pF
CD(25V)
VR = 25 V, f = 1 MHz
2.53
2.92
pF
CD(10V)
VR = 10 V, f = 1 MHz
6.40
8.32
pF
CD(17V)
VR = 17 V, f = 1 MHz
3.50
4.35
pF
CD(2V)/CD(25V)

11.0
∆C
CD(2V)(10V)(17V)(25V)
2.0
%
rD
CD = 9 pF, f = 470 MHz
0.54
Ω
Note) 1．Rated input/output frequency: 470 MHz
2．*1 : Measurement at Low Signal Level
*2 : rf measuring instrument: YHP MODEL 4191A RF IMPEDANCE ANALYZER
1
MA2Z357
Variable Capacitance Diodes
IF  V F
100
− 40°C
25°C
80
60
40
f = 1 MHz
Ta = 25°C
50
20
0
100
Reverse current IR (µA)
Ta = 60°C
Diode capacitance CD (pF)
Forward current IF (mA)
100
IR  Ta
CD  VR
120
30
20
10
5
3
10
1
0.1
2
0
0.2
0.4
0.6
0.8
1.0
1.2
1
0
4
Forward voltage VF (V)
0.01
8 12 16 20 24 28 32 36 40
0
40
Reverse voltage VR (V)
80
120
160
Ambient temperature Ta (°C)
CD  Ta
1.03
f = 1 MHz
VR = 2 V
CD(Ta)
CD(Ta = 25°C)
1.02
10 V
17 V
25 V
1.01
1.00
0.99
0.98
Secondary rank classification
100
6.43
6.53
Primary rank classification
6.62
CD(25V) (pF)
29.15
11
29.59
10
30.03
9
30.48
8
30.94
7
31.40
6
31.87
5
32.35
4
32.84
3
33.33
2
33.83
1
34.13
9 8 7 6 5 4 3 2 1
Note: Tracking guarantee range
(Capacitance deviation 2.0%)
6.82
6.93
7.03
CD(10V) (pF)
CD(2V) (pF)
2.54
2.58
2.62
2.66
2.70
2.74
2.78
2.82
2.86
2.90
6.72
7.14
7.24
7.35
7.46
7.57
7.69
7.80
7.92
8.04
8.16
8.28
2
14 13 12 11 10 9
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
4.33
4.27
4.21
3.79
3.73
3.68
3.62
CD rank classification
3.57
3.52
CD(17V) (pF)
4.14
80
4.08
60
4.02
40
3.96
20
Ambient temperature Ta (°C)
3.90
0
3.85
0.97