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