Plastic Packaged Surface Mount Varactor Diodes
Electrical Characteristics (TA = 25°C)
High Ratio Hyperabrupt Junction Varactors for Battery Operated Applications
Breakdown Voltage, VB (10 µA):
15V Min.
Reverse Current, IR (12V):
50 nA Max.
R
@ 3V
200 MHz
(W)
S
C
C
@ 0.3V
@ 4.7V
T
C
C
T
T
@ 4.7V
(pF)
@ 0.3V
(pF)
T
SOD–323
Single
SOT–23
Common
SOT–143
(Ratio)
Low
Inductance
Common
Anode
Unconnected
Pair
Min.
Typ.
7.0
17
Max.
Typ.
.7
Min.
9.5
Typ.
10.0
16.5
12.1
12.2
12.2
12.3
12.3
Max.
2.0
1.8
1.5
1.5
1.3
1.2
1.0
Single
Cathode
6.5
15
28
33
38
48
58
.78
1.7
2.8
3.3
3.8
4.8
5.8
SMV1247–011 SMV1247–001
SMV1248–011 SMV1248–001
SMV1247–004
SMV1248–004
1.5
2.6
3.0
3.4
4.3
5.2
10.8
11.0
11.0
11.0
11.0
11.0
31
SMV1249–011 SMV1249–001 SMV1249–003 SMV1249–004
36
SMV1250–011 SMV1250–001
SMV1251–011 SMV1251–001
SMV1253–011 SMV1253–001
SMV1250–004
SMV1251–004
SMV1253–004
42
53
64
SMV1255–011 SMV1255–001 SMV1255–003 SMV1255–004
12 Volt Hyperabrupt Junction Varactors
Reverse Breakdown Voltage, VB (10 µA):
12V Min.
Reverse Current, IR (8V):
50 nA Max.
Q
C
C
T
@ 4V
(pF)
C
T
T
@ 4V
50 MHz
@ 2.5V
(pF)
@ 1V
(pF)
SOD–323
Single
SOT–23
SOT–143
Common
Anode
Common
Cathode
Low
Inductance
Unconnected
Pair
Min.
95
Typ.
100
50
Min.
Max.
65
Typ.
20
Max.
Min.
80
Single
40
18
25
12
SMV1211–001
SMV1212–001
42
27
9.0
4.0
3.0
2.0
150
200
300
350
SMV1212–004
SMV1213–004
17
22
8.5
6.5
4.3
10.5
7.8
5.5
4.8
2.9
SMV1213–011 SMV1213–001
SMV1214–001 SMV1214–003
SMV1215–011 SMV1215–001
14.5
8.7
16
9.5
5.5
500*
85
–
–
–
15.0
30.0
SMV1297–001
*Q @ 2V, F=1 MHz
Breakdown Voltage, VB (10 µA):
12V Min.
Reverse Current, IR (10V):
50 nA Max.
C
C
C
T
@ 6V
(pF)
Q
T
T
@ 0.2V
(pF)
@ 2V
(pF)
@ 2V
50 MHz
SOD–323
Single
SOT–23
SOT–143
Common
Anode
Common
Cathode
Low
Inductance
Unconnected
Pair
Min.
Min.
11
Max.
Min.
Max.
Min.
Max.
1.9
Single
14
4
6.5
1.2
SMV1299–011 SMV1299–001
SMV1299–004
SMV1299–015
250
" All plastic packaged varactors are available through distribution.
Alpha Industries • [617] 935Ć5150 • Fax [617] 824Ć4579 • E-mail sales@alphaind.com • Visit our web site: www.alphaind.com
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