PANASONIC MA2C346

Variable Capacitance Diodes
MA2C346
Silicon epitaxial planar type
Unit : mm
For AFC of FM tuner
φ 0.45 max.
■ Absolute Maximum Ratings Ta = 25°C
Symbol
Rating
Unit
Reverse voltage (DC)
VR
15
V
Peak reverse voltage
VRM
15
V
Junction temperature
Tj
200
°C
Storage temperature
Tstg
−65 to +200
°C
13 min.
0.2 max.
2.2 ± 0.3
• High reliability achieved through combination of a planar type
chip and glass sealing structure
• Small package allowing easy mounting
• Small reverse current IR
Parameter
13 min.
1
0.2 max.
COLORED BAND
INDICATES
CATHODE
■ Features
2
φ 1.75 max.
1 : Anode
2 : Cathode
JEDEC : DO-34
Body Color : Light Green
■ Electrical Characteristics Ta = 25°C
Parameter
Symbol
Reverse current (DC)
IR
Conditions
Min
VR = 12 V
VR = 12 V, Ta = 75°C
Terminal capacitance
Ct
VR = 10 V, f = 1 MHz
10
Q
Q
VR = 10 V, f = 50 MHz
40
Typ
Max
Unit
100
nA
1
µA
16
pF

Note) Rated input/output frequency: 100 MHz
■ Cathode Indication
Type No.
MA2C346
Color
Silver
1
MA2C346
Variable Capacitance Diodes
IF  V F
VF  Ta
IR  V R
103
102
1.6
Ta = 150°C
1.4
25°C
Ta = 150°C
1
− 20°C
10−1
10
Forward voltage VF (V)
100°C
10
Reverse current IR (nA)
Forward current IF (mA)
102
100°C
1
25°C
10−1
1.2
1.0
IF = 100 mA
0.8
10 mA
0.6
3 mA
0.4
0.2
0
0.2
0.4
0.6
0.8
1.0
10−2
1.2
0
4
Forward voltage VF (V)
8
12
16
IR  Ta
0
40
Terminal capacitance Ct (pF)
VR = 15 V
12 V
10 V
10
1
10–1
80
120
160
200
Ambient temperature Ta (°C)
IF(surge)  tW
Ct  VR
40
103
f = 1 MHz
Ta = 25°C
35
Reverse current IR (nA)
0
−40
24
Reverse voltage VR (V)
103
102
20
Forward surge current IF(surge) (A)
10−2
30
25
20
15
10
Ta = 25°C
IF(surge)
tW
Non repetitive
102
10
1
5
10−2
−40
0
40
80
120
160
Ambient temperature Ta (°C)
2
200
0
0
4
8
12
16
20
24
28
Reverse voltage VR (V)
32
10−1
0.03
0.1
0.3
1
3
Pulse width tW (ms)
10
30