Hyperabrupt Junction Tuning Varactor
SMV2022–SMV2023
Features
■
Low Series Resistance
■
High Capacitance Ratio at Low
Reverse Voltage
■
SOT-23 Single and Common Cathode
■
Designed for High Volume, Low Cost
Battery Applications
■
Available in Tape and Reel Packaging
Description
The SMV2022 and SMV2023 devices are silicon
hyperabrupt junction varactor diodes. The specified high
capacitance ratio and low R
S
of these varactors make them
attractive for low phase noise VCOs in wireless systems.
Absolute Maximum Ratings
Characteristic
Reverse Voltage (V
R
)
Forward Current (I
F
)
Power Dissipation (P
D
)
Storage Temperature (T
ST
)
Operating Temperature (T
OP
)
Value
22 V
20 mA
250 mW
-55°C to +150°C
-55°C to +125°C
Electrical Specifications at 25°C
Part Number
Min.
SMV2022
SMV2023
Reverse current I
R
(V
R
= 16 nA): 50 nA.
C
T
@ 4 V
(pF)
Max.
3.3
5.4
Min.
0.6
0.9
2.5
4.4
C
T
@ 20 V
(pF)
Max.
0.85
1.20
C
T
@ 4 V
C
T
@ 20 V
(Ratio)
Min.
3.0
4.2
Q @ 4V
50 MHz
500
500
Single
SOT-23
SMV2022-001
SMV2023-001
L
S
= 1.5 nH
Common Cathode
SOT-23
SMV2022-004
SMV2023-004
L
S
= 1.5 nH
Alpha Industries, Inc.
[781] 935-5150
•
Fax
[978] 241-7906
•
Email
sales@alphaind.com
•
www.alphaind.com
Specifications subject to change without notice. 6/01A
1
ALPHA [ ALPHA INDUSTRIES ]
