PANASONIC MA2X329

Variable Capacitance Diodes
MA2X329
Silicon epitaxial planar type
Unit : mm
INDICATES
CATHODE
+ 0.2
1
1.6 − 0.1
■ Features
2
• Large capacitance ratio
• Small series resistance rD
• Mini type package, allowing downsizing of equipment and
automatic insertion through the taping package
0.55 ± 0.1
For VHF electronic tuners
+ 0.2
2.7 − 0.1
3.3 ± 0.2
*(3.8 ± 0.2)
0.3
5°
Unit
Reverse voltage (DC)
VR
32
V
Peak reverse voltage
VRM
34
V
Forward current (DC)
IF
20
mA
Junction temperature
Tj
150
°C
Storage temperature
Tstg
−55 to +150
°C
+ 0.1
Rating
0.16 − 0.03
1.1 − 0.1
Symbol
0 to 0.05
Parameter
+ 0.2
■ Absolute Maximum Ratings Ta = 25°C
5°
*(
): WL type
1 : Anode
2 : Cathode
Mini Type Package (2-pin)
Marking Symbol: 6B
■ Electrical Characteristics Ta = 25°C
Parameter
Reverse current (DC)
Diode capacitance
Capacitance ratio
Diode capacitance deviation
Series
resistance*
Symbol
IR
Conditions
Min
Typ
VR = 30 V
CD(1V)
VR = 1 V, f = 1 MHz
Max
Unit
10
nA
42
pF
CD(3V)
VR = 3 V, f = 1 MHz
25.87
32.64
pF
CD(25V)
VR = 25 V, f = 1 MHz
2.58
3.20
pF
CD(10V)
VR = 10 V, f = 1 MHz
9.15
12.44
pF
CD(17V)
VR = 17 V, f = 1 MHz
3.28
4.46
pF
CD(3V)/CD(25V)

9
∆C
CD(3V)(10V)(17V)(25V)
rD
CD = 9 pF, f = 470 MHz
3
%
1.6
Ω
Note) 1．Rated input/output frequency: 470 MHz
2．* : rf measuring instrument: YHP MODEL 4191A RF IMPEDANCE ANALYZER
1
MA2X329
Variable Capacitance Diodes
CD  VR
Forward current IF (mA)
Diode capacitance CD (pF)
30
20
10
5
3
120
1.03
100
1.02
VR = 3 V
1.01
10 V
17 V
25 V
80
Ta = 60°C
− 40°C
25°C
60
CD(Ta)
CD(Ta = 25°C)
f = 1 MHz
Ta = 25°C
50
40
0
4
0
8 12 16 20 24 28 32 36 40
f = 1 MHz
1.00
0.99
20
2
1
CD  Ta
IF  V F
100
0.98
0
0.2
0.4
0.6
0.8
1.0
0.97
1.2
0
20
Forward voltage VF (V)
Reverse voltage VR (V)
40
60
80
Reverse current Ta (°C)
IR  T a
Reverse current IR (nA)
100
VR = 33 V
10
1
0.1
0.01
0
20
40
60
80 100 120 140 160
Reverse current Ta (°C)
CD rank classification
Primary rank classification
Secondary rank classification
27.32
CD(3V) (pF)
28.00
28.70
29.42
30.16
30.91
31.68
32.47
7
5
4
3
2
1
9.20
9.43
8
9.67
7
9.91
6
5
4
3
2
1
10.16
10.41
10.67
10.94
11.21
11.49
11.78
12.07
12.37
2
12 11 10 9
12
11
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
4.44
4.33
4.22
4.12
4.02
3.92
3.82
3.64
3.55
3.46
3.38
3.30
3.18
3.10
3.02
2.95
2.88
2.81
2.74
6
9
CD(10V) (pF)
26.65
8
2.67
2.60
26.00
3.73
CD(17V) (pF)
CD(25V) (pF)
100