Abrupt Junction Tuning Varactors
SMV1405–SMV1419
Electrical Specifications at 25°C
C
T
C
T
C
T
@ 0 V
R @ 4 V
S
Q
Part
Number
@ 0.5 V
(pF)
@ 1 V
(pF)
C
T
@ 4 V
(pF)
C
T
@ 30 V
500 MHz
@ 4 V
50 MHz
(Ratio)
Min.
4.1
(Ω)
Typ.
2.1
Typ.
1.8
Min.
1.21
1.75
3.10
3.64
7.51
9.13
Max.
1.45
2.11
3.76
4.42
9.15
11.13
Max.
0.80
0.60
0.40
0.35
0.22
0.20
Typ.
3200
2900
2500
2400
1800
1600
SMV1405
SMV1408
SMV1411
SMV1413
SMV1417
SMV1419
3.4
2.9
4.1
6.0
5.2
4.2
7.4
6.4
4.2
15.3
18.7
13.2
16.6
4.3
4.4
Reverse Voltage VR (IR = 10 µA): 30 V
Reverse Current IR (VR = 24 V): 20 nA
Typical Performance Data
100.0
6
5
4
VR = 4 V
VR = 30 V
3
SMV1413
SMV1417
10.0
1.0
2
SMV1419
SMV1411
1
0
-1
-2
-3
-4
-5
SMV1405
SMV1408
VR = 1 V
0.1
0
5
10
15
20
25
30
-40
-20
0
20
40
60
80
Reverse Voltage (V)
Temperature (˚C)
Capacitance vs. Reverse Voltage
Relative Capacitance Change
vs. Temperature
Typical Capacitance Values
SMV1405
SMV1408
(pF)
SMV1411
(pF)
SMV1413
(pF)
SMV1417
(pF)
SMV1419
(pF)
V
R
(V)
C
T
(pF)
C
C
C
C
C
T
T
T
T
T
0.0
0.5
1.0
1.5
2.0
2.5
3.0
4.0
5.0
2.67
2.12
1.84
1.70
1.55
1.44
1.34
1.25
1.17
0.95
0.77
0.63
4.08
3.36
2.94
2.60
2.38
2.24
2.08
1.88
1.72
1.28
1.01
0.95
7.58
6.05
5.21
4.66
4.27
4.00
3.72
3.35
3.08
2.32
1.69
1.48
9.24
7.39
6.37
5.71
5.22
4.85
4.55
4.10
3.77
2.85
2.12
1.77
19.20
15.30
13.16
11.76
10.74
9.95
23.44
18.72
16.64
14.38
13.14
12.18
11.42
10.26
9.40
9.32
8.35
7.64
10.0
20.0
30.0
5.62
7.00
4.09
5.10
3.79
4.30
2
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 1/01A
ALPHA [ ALPHA INDUSTRIES ]
