TUNING VARACTOR
High Q silicon abrupt junction tuning varactor
VBR 4 5 V
Description
This series of high Q epi-junction m icrowave tuning varactors (45 V) incorporates a passivated m esa
technology. It is well suited for frequency tuning applications up to X band.
Chip diodes
Chip and packaged diodes
BR (10 µA) ≥ 45 V
Packaged diodes (1)
V
STANDARD CASES
OTHER CASES
GOLD
DIA
Ø
Junction
Capacitance
Fig. of
Merit
Q
Tuning
Ratio
Tuning
Ratio
C /C
45
TO T
Characteristics at 25° C
Test conditions
C
j
C /C
45
TO
T
Case
Capacitance
Case
Capacitance
V = 4 V
V = 4 V
R
R
f = 1 MHZ f = 50 MHZ
C
C
b
b
Type
Case
µm
pF
Type
Case
Case
typ.
± 20 % (2)
min.
C =0.18pF (3) min. C =0.12pF (3) min.
b
b
EH72004
EH72006
EH72008
EH72010
EH72012
EH72016
EH72020
EH72025
EH72030
EH72037
EH72045
EH72054
C2a
C2a
C2a
C2a
C2a
C2a
C2a
C2a
C2a
C2a
C2a
C2a
60
80
90
0.4
0.6
0.8
1.0
1.2
1.6
2.0
2.5
3.0
3000
2900
2800
2700
2700
2600
2500
2400
2300
2200
2000
1900
DH72004
DH72006
DH72008
DH72010
DH72012
DH72016
DH72020
DH72025
DH72030
DH72037
DH72045
DH72054
F27d
F27d
F27d
F27d
F27d
F27d
F27d
F27d
F27d
F27d
F27d
F27d
3.5
3.9
4.2
4.5
4.7
5.0
5.2
5.4
5.5
5.6
5.7
5.8
M208
M208
M208
M208
M208
M208
M208
M208
M208
M208
M208
M208
3.7
4.1
4.5
4.7
4.9
5.2
5.5
5.6
5.7
5.7
5.8
5.9
110
110
120
140
150
170
190
210
230
3.7
4.5
5.4
± 10 % (2)
C =0.18pF (3)
b
C = 0.2pF (3)
b
EH72067
EH72080
EH72100
EH72120
EH72150
EH72180
EH72200
EH72220
EH72270
EH72330
EH72390
C2b
C2b
C2b
C2b
C2b
C2b
C2b
C2c
C2c
C2c
C2c
250
280
310
340
380
420
440
470
520
570
620
6.7
8.0
10.0
12.0
15.0
18.0
20.0
22.0
27.0
1800
1700
1600
1500
1400
1300
1200
1100
1000
900
DH72067
DH72080
DH72100
DH72120
DH72150
DH72180
DH72200
DH72220
DH72270
DH72330
DH72390
F27d
F27d
F27d
F27d
F27d
F27d
F27d
F27d
F27d
F27d
F27d
5.9
5.9
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
BH142
BH142
BH142
BH142
BH142
BH142
BH142
BH142
BH142
BH142
BH142
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
33.0
39.0
800
± 10 % (2)
C =0.18pF (3)
b
EH72470
EH72560
EH72680
C2d
C2d
C2d
680
740
820
47.0
56.0
68.0
700
600
450
DH72470
DH72560
DH72680
BH28
BH28
BH28
6.0
6.0
6.0
± 10 % (2)
C =0.4pF (3)
b
EH72820
EH72999
C2g
C2g
900
1000
82.0
100.0
350
250
DH72820
DH72999
BH141
BH141
6.0
6.0
(1) Custom cases available on request
(2) Closer capacitance tolerances available on request
(3) = C + C
Tem perature ranges:
Operating junction (T ) : -55° C to +150° C
j
C
Storage
: -65° C to +175° C
T
j
b
12-35
Vol. 1
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