
Hyperabrupt Junction Tuning Varactors
SMV1211–SMV1215
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
-3
-2
-1
0
1
2
3
-40
-20
0
20
40
60
80
P
Temperature (C)
Relative Capacitance Change
vs. Temperature
V
R
= 1 V
V
R
= 4 V
-40
-20
0
20
40
60
80
P
Temperature (
C)
Relative Series Resistance Change
vs. Temperature @ 500 MHz
-15
-10
-5
0
5
10
15
0
1
2
3
4
Reverse Voltage (V)
Series Resistance vs. Reverse Voltage
@ 500 MHz
0
1
2
3
4
5
R
S
)
SMV1215
SMV1214
SMV1213
SMV1212
SMV1211
Typical Performance Data
C
T
@ 1 V
C
T
@ 2.5 V
(Ratio)
Typ.
2
2
2
2
2
C
T
@ 1 V
C
T
@ 4 V
(Ratio)
Typ.
5
5
5
5
5
R
S
@ 4 V
500 MHz
(
)
Typ.
0.4
0.8
1.4
1.7
2.8
Q
Part
Number
C
T
@ 1 V
(pF)
Min.
95.0
42.0
17.0
14.5
8.7
C
T
@ 2.5 V
(pF)
Min.
40.0
18.0
8.5
6.5
4.3
C
T
@ 4 V
(pF)
Typ.
20
9
4
3
2
@ 4 V
50 MHz
Min.
80
150
200
300
350
Typ.
100.0
50.0
22.0
16.0
9.5
Max.
65.0
27.0
10.5
7.8
5.5
Max.
25.0
12.0
5.5
4.8
2.9
SMV1211
SMV1212
SMV1213
SMV1214
SMV1215
Electrical Specifications at 25°C
Reverse Voltage V
R
(I
R
= 10
μ
A): 12 V
Reverse Current I
R
(V
R
= 8 V): 20 nA
1.0
10.0
100.0
1000.0
6.0
8.0
4.0
Reverse Voltage (V)
Capacitance vs. Reverse Voltage
2.0
0
C
SMV1212
SMV1213
SMV1214
SMV1215
SMV1211