PANASONIC MA2Z391

Variable Capacitance Diodes
MA2Z391
N type GaAs epitaxial planar type
Unit : mm
INDICATES
CATHODE
0.4 ± 0.15
1.7 ± 0.1
■ Absolute Maximum Ratings Ta = 25°C
2.5 ± 0.2
Unit
VR
10
V
Forward current (DC)
IF
30
mA
Junction temperature
Tj
125
°C
Storage temperature
Tstg
−55 to +125
°C
+ 0.1
Reverse voltage (DC)
0.16 − 0.06
Rating
0 to 0.05
Symbol
0.9 ± 0.1
Parameter
2
+ 0.1
1
• Small series resistance rD and high Q value
• Large capacitance ratio during low-voltage operation
0.3 − 0.05
■ Features
0.4 ± 0.15
1.25 ± 0.1
For VCO of a communications equipment
1 : Anode
2 : Cathode
S-Mini Type Package (2-pin)
Marking Symbol: 7S
■ Electrical Characteristics Ta = 25°C
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Reverse current (DC)
IR
VR = 6 V
50
nA
Forward voltage (DC)
VF
IF = 300 mA
0.8
V
VR
IR = 1 µA
5.0
pF
Reverse voltage (DC)
Diode capacitance
Series resistance*
CD(1V)
VR = 1 V, f = 1 MHz
CD(4V)
VR = 4 V, f = 1 MHz
rD
CD = 1.6 pF, f = 470 MHz
10
V
3.7
1.0
1.4
0.3
pF
0.5
Ω
Note) 1．Rated input/output frequency: 470 MHz
2．* : rf measuring instrument: RF IMPEDANCE ANALYZER
1
MA2Z391
Variable Capacitance Diodes
IF  V F
120
CD  VR
IR  V R
100
Ta = 25°C
12
Ta = 25°C
f = 1 MHz
Ta = 25°C
10
80
60
40
Diode capacitance CD (pF)
Reverse current IR (nA)
Forward current IF (mA)
100
10
1
0.1
0
0.2
0.4
0.6
0.8
1.0
Forward voltage VF (V)
2
6
4
2
20
0
8
1.2
0.01
0
2
4
6
8
Reverse voltage VR (V)
10
0
0.1
1
10
Reverse voltage VR (V)
100