PANASONIC MA2X333

Variable Capacitance Diodes
MA2X333
N type GaAs epitaxial planar type
Unit : mm
INDICATES
CATHODE
1.6 − 0.1
2
■ Features
0.55 ± 0.1
1
+ 0.2
For VCO of a radio
For electronic tuning of UHF and VHF TV tuner
+ 0.2
2.7 − 0.1
• Small series resistance rD and high Q value
• Large capacitance ratio during low-voltage operation
3.3 ± 0.2
*(3.8 ± 0.2)
5°
Unit
9
V
Forward current (DC)
IF
100
mA
Junction temperature
Tj
125
°C
Storage temperature
Tstg
−55 to +125
°C
+ 0.1
Rating
VR
0.16 − 0.03
Parameter
0 to 0.05
Symbol
Reverse voltage (DC)
1.1 − 0.1
+ 0.2
0.3
■ Absolute Maximum Ratings Ta = 25°C
5°
*(
): WL type
1 : Anode
2 : Cathode
Mini Type Package (2-pin)
Marking Symbol: 6C
■ Electrical Characteristics Ta = 25°C
Parameter
Symbol
Conditions
Reverse current (DC)
IR
VR = 6 V
Reverse voltage (DC)
VR
IR = 1 µA
Diode capacitance
Series resistance*
Min
Typ
Max
Unit
100
nA
9
V
CD(2V)
VR = 2 V, f = 1 MHz
13.5
15.5
17.0
pF
CD(4V)
VR = 4 V, f = 1 MHz
4.0
6.8
7.5
pF
CD(6V)
VR = 6 V, f = 1 MHz
2.8
4.0
4.5
pF
0.25
0.35
Ω
rD
CD = 9 pF, f = 470 MHz
Note) 1.Rated input/output frequency: 470 MHz
2.* : rf measuring instrument: YHP MODEL 4191A RF IMPEDANCE ANALYZER
1
MA2X333
Variable Capacitance Diodes
IF  V F
100
CD  VR
IR  V R
100
Ta = 25°C
100
Ta = 25°C
f = 1 MHz
Ta = 25°C
1
0.1
Diode capacitance CD (pF)
Reverse current IR (nA)
Forward current IF (mA)
50
10
10
1
0.1
30
20
10
5
3
2
0.01
0.01
0
0.2
0.4
0.6
0.8
1.0
CD  Ta
f = 1 MHz
1.02
CD(Ta)
CD(Ta = 25°C)
VR = 2 V
1.01
6V
1.00
0.99
0.98
0.97
0
20
40
60
80
Ambient temperature Ta (°C)
2
2
4
6
8
Reverse voltage VR (V)
Forward voltage VF (V)
1.03
0
100
10
1
0
4
8
12
16
Reverse voltage VR (V)
20