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Variable Capacitance Diodes
MA2Z374
Silicon epitaxial planar type
Unit : mm
For CATV tuner I Features
* S-mini type package, allowing downsizing of equipment and automatic insertion through the taping package
0.4 0.15
INDICATES CATHODE
0.4 0.15
1
2
1.7 0.1 2.5 0.2
I Absolute Maximum Ratings Ta = 25C
Reverse voltage (DC) Peak reverse voltage* Junction temperature Storage temperature Note) * : RL = 10 k VR VRM Tj Tstg 34 35 150 -55 to +150 V V C C
0.9 0.1 0.16 - 0.06
+ 0.1
Parameter
Symbol
Rating
Unit
0 to 0.05
1 : Anode 2 : Cathode S-Mini Type Package (2-pin)
Marking Symbol: 7A
I Electrical Characteristics Ta = 25C
Parameter Reverse current (DC) Diode capacitance Symbol IR CD(0V)
*1
Conditions VR = 30 V VR = 0 V, f = 1 MHz VR = 2 V, f = 1 MHz VR = 25 V, f = 1 MHz VR = 10 V, f = 1 MHz VR = 17 V, f = 1 MHz CD(2V)(10V)(17V)(25V) CD = 9 pF, f = 470 MHz
Min
Typ
Max 10
0.3-0.05
+0.1
Unit nA pF
87 44.00 2.60 8.80 3.70 15.0 2.0 0.9 50.79 3.03 13.08 5.04
CD(2V) CD(25V) CD(10V) CD(17V) Capacitance ratio Diode capacitance deviation Series resistance*2 CD(2V)/CD(25V) C rD
pF pF pF pF %
Note) 1 Rated input/output frequency: 470 MHz 2 *1 : Measurement at Low Signal Level *2 : rf measuring instrument: YHP MODEL 4191A RF IMPEDANCE ANALYZER
1.25 0.1
1
MA2Z374
CD VR
100 f = 1 MHz Ta = 25C 120
Variable Capacitance Diodes
IF V F
1.03
CD Ta
f = 1 MHz
50
100
1.02
Diode capacitance CD (pF)
30 20
Forward current IF (mA)
VR = 2 V
CD(Ta) CD(Ta = 25C)
80
Ta = 60C 25C - 40C
1.01 10 V 17 V 25 V
10
60
1.00
5 3 2
40
0.99
20
0.98
1
0
4
8 12 16 20 24 28 32 36 40
0
0
0.2
0.4
0.6
0.8
1.0
1.2
0.97
0
20
40
60
80
100
Reverse voltage VR (V)
Forward voltage VF (V)
Ambient temperature Ta (C)
IR T a
100
Reverse current IR (nA)
10
1
0.1
0.01
0
40
80
120
160
200
Ambient temperature Ta (C)
CD rank classification
Primary rank classification
CD(25V) (pF)
Secondary rank classification
CD(17V) (pF)
3.01
2.61
2.65
2.69
2.73
2.77
2.81
2.85
2.89
2.93
2.97
44.22 44.88 45.55
10 9 9 8 7
8
7
6
5
4
3
2
1 Tracking guarantee range (Capacitance deviation 2.0%)
CD(2V) (pF)
46.23 46.92 47.62 48.33 49.05 49.79 50.54
5 4 3 2 1
2
CD(10V) (pF)
6
8.84 8.97 9.10 9.24 9.38 9.52 9.66 9.80 9.95 10.10 10.25 10.40 10.58 10.72 10.88 11.04 11.21 11.38 11.55 11.72 11.90 12.08 12.28 12.44 12.63 12.82 13.01
26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
3.72 3.78 3.84 3.90 3.96 4.02 4.08 4.14 4.20 4.26 4.32 4.38 4.45 4.52 4.59 4.66 4.73 4.80 4.87 4.94 5.01
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

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