PANASONIC MA2X334

Variable Capacitance Diodes
MA2X334
Silicon epitaxial planar type
Unit : mm
INDICATES
CATHODE
For UHF and VHF electronic tuners
■ 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
1.6 − 0.1
+ 0.2
1
+ 0.2
2.7 − 0.1
3.3 ± 0.2
*(3.8 ± 0.2)
0.3
5°
Unit
Reverse voltage (DC)
VR
30
V
Peak reverse voltage
VRM
34
V
Forward voltage (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: 6D
■ Electrical Characteristics Ta = 25°C
Parameter
Reverse current (DC)
Diode capacitance
Symbol
IR
Unit
10
nA
12.781
pF
CD(25V)
VR = 25 V, f = 1 MHz
2.020
2.367
pF
CD(10V)
VR = 10 V, f = 1 MHz
4.358
5.422
pF
CD(17V)
VR = 17 V, f = 1 MHz
2.567
3.100
pF
4.60
6.15

CD(17V)/CD(25V)
Series
Max
11.233
Capacitance difference
VR = 30 V
Typ
VR = 3 V, f = 1 MHz
CD(3V)/CD(25V)
resistance*
Min
CD(3V)
Capacitance ratio
Diode capacitance deviation
Conditions
0.37
∆C
CD(3V)(10V)(17V)(25V)
rD
CD = 9 pF, f = 470 MHz
0.38
pF
2
%
0.72
Ω
Note) 1．Rated input/output frequency: 470 MHz
2．* : rf measuring instrument: YHP MODEL 4191A RF IMPEDANCE ANALYZER
1
MA2X334
Variable Capacitance Diodes
CD  VR
f = 1 MHz
Ta = 25°C
Forward current IF (mA)
Diode capacitance CD (pF)
50
30
20
10
5
3
1.03
100
1.02
80
Ta = 60°C
− 40°C
25°C
60
40
0
4
8 12 16 20 24 28 32 36 40
0
VR = 3 V
1.01
10 V
17 V
25 V
1.00
0.98
0
0.2
0.4
0.6
0.8
1.0
Forward voltage VF (V)
Reverse voltage VR (V)
f = 1 MHz
0.99
20
2
1
CD  Ta
IF  V F
120
CD(Ta)
CD(Ta = 25°C)
100
1.2
0.97
0
20
40
60
IR  Ta
Reverse current IR (mA)
102
VR = 30 V
10
1
10−1
10−2
0
20
40
60
80 100 120 140 160
Ambient temperature Ta (°C)
CD rank classification
•MA2X334B
Secondary rank classification
Primary rank classification
CD(25V) (pF)
2.580
2.619
2.658
2.698
2.738
2.779
2.821
2.863
2.906
2.950
2.994
3.039
3.085
CD(17V) (pF)
2.030
2.060
2.091
2.123
2.155
2.187
2.220
2.253
2.287
2.321
2.356
10 9 8 7 6 5 4 3 2 1
CD(10V) (pF)
CD(3V) (pF)
2
11.290
8
11.459
7
11.631
6
11.806
5
11.983
4
12.163
3
12.345
2
12.530
1
12.718
4.380
14
4.446
13
4.512
12
4.580
11
4.649
10
4.719
9
4.789
8
4.861
7
4.934
6
5.008
5
5.083
4
5.159
3
5.237
2
5.315
1
5.395
80
Ambient temperature Ta (°C)
12 11 10 9 8 7 6 5 4 3 2 1
100
Variable Capacitance Diodes
•MA2X3340G
MA2X334
Primary rank classification
Secondary rank classification
CD(17V) (pF)
11.290
11.459
11.631
11.806
11.983
12.163
12.345
12.530
12.718
2.580
2.619
2.658
2.698
2.738
2.779
2.821
2.863
2.906
2.950
2.994
3.039
3.085
10 9 8 7 6 5 4 3 2 1
8
7
6
5
4
3
2
1
CD(10V) (pF)
CD(3V) (pF)
2.030
2.060
2.091
2.123
2.155
2.187
2.220
2.253
2.287
2.321
2.356
CD(25V) (pF)
4.380
14
4.446
13
4.512
12
4.580
11
4.649
10
4.719
9
4.789
8
4.861
7
4.934
6
5.008
5
5.083
4
5.159
3
5.237
2
5.315
1
5.395
12 11 10 9 8 7 6 5 4 3 2 1
3