SMV1129 View Datasheet(PDF) - Alpha Industries
Part Name
Description
View to exact match
SMV1129 Datasheet PDF : 3 Pages
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Hyperabrupt Junction Tuning Varactors
SMV1129 and SMV1139
Features
I High Q
I Low Series Resistance for Low Phase
Noise
I Multiple Packages SOD-323, SC-79
and SC-70
I Designed for High Volume Commercial
Applications
I SPICE Models are Available
Description
The SMV1129 and SMV1139 silicon hyperabrupt junction
varactor diodes are designed for use in VCOs requiring
low resistance. The low resistance of these varactors
makes them appropriate for high Q resonators in
wireless system VCOs to frequencies beyond 2.5 GHz.
Absolute Maximum Ratings
Characteristic
Forward Current (IF)
Power Dissipation (PD)
Storage Temperature (TST)
Operating Temperature (TOP)
Value
20 mA
250 mW
-55°C to +150°C
-55°C to +125°C
Single
SOD-323
o SMV1129-011
o SMV1139-011
LS = 1.5 nH
o Available through distribution.
For other packages or configurations, please contact the factory.
Single
SC-79
o SMV1129-079
o SMV1139-079
LS = 0.7 nH
Electrical Specifications at 25°C
Part
Number
Min.
SMV1129
17.50
SMV1139
4.95
Reverse Voltage VR (IR = 10 µA): 12 V
Reverse Current IR (VR = 10 V): 20 nA
CT @ 1 V
(pF)
Typ.
19.0
5.4
Max.
20.50
5.85
CT @ 1 V
CT @ 3 V
(Ratio)
Min.
Typ.
1.4
1.53
1.4
1.53
Common Anode
SC-70
SMV1129-073
LS = 1.4 nH
CT @ 1 V
CT @ 6 V
(Ratio)
Min.
Typ.
2.0
2.5
2.0
2.5
RS @ 1 V
500 MHz
(Ω)
Max.
0.4
0.6
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
1
Specifications subject to change without notice. 10/99A
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