Variable Capacitance Diodes
MA2B345
Silicon epitaxial planar type
φ 0.56 max.
Unit : mm
For AFC of FM tuner
1
I Feat...
Variable Capacitance Diodes
MA2B345
Silicon epitaxial planar type
φ 0.56 max.
Unit : mm
For AFC of FM tuner
1
I Features
High reliability achieved through combination of a planar type chip and glass sealing structure Small package allowing easy mounting Small reverse current IR
Parameter Reverse
voltage (DC) Peak reverse
voltage Junction temperature Storage temperature
Symbol VR VRM Tj Tstg
Rating 15 15 200 −65 to +200
Unit V V °C °C
2 φ 1.95 max.
1 : Anode 2 : Cathode JEDEC : DO-35
Body Color : Black
I Electrical Characteristics Ta = 25°C
Parameter Reverse current (DC) Symbol IR Ct Q VR = 12 V VR = 12 V, Ta = 75°C Terminal capacitance Q VR = 10 V, f = 1 MHz VR = 10 V, f = 50 MHz 10 40 Conditions Min Typ Max 100 1 16 Unit nA µA pF
Note) Rated input/output frequency: 100 MHz
I Cathode Indication
Type No. Color MA2B345 Silver
24 min.
I Absolute Maximum Ratings Ta = 25°C
4.5 max.
24 min.
COLORED BAND INDICATES CATHODE
1
MA2B345
IF V F
103
Variable Capacitance Diodes
IR V R
102 Ta = 150°C 1.6 1.4
VF Ta
102
Forward current IF (mA)
Reverse current IR (nA)
Forward
voltage VF (V)
10
1.2 1.0 IF = 100 mA 0.8 0.6 0.4 0.2 10 mA 3 mA
10
100°C
25°C
1
100°C
1
Ta = 150°C
− 20°C
10−1
10−1
25°C
10−2
10−2
0 0.2 0.4 0.6 0.8 1.0 1.2
0
4
8
12
16
20
24
28
32
0 −40
0
40
80
120
160
200
Forward
voltage VF (V)
Reverse
voltage VR (V)
Ambient temperature Ta (°C)
IR T a
103
32 28
Ct VR
f = 1 MHz Ta = 25°C
IF(surge) tW
1 000...