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SMV1250-001

Description
36 pF, 15 V, SILICON, HYPERABRUPT VARIABLE CAPACITANCE DIODE
Categorysemiconductor    Discrete semiconductor   
File Size95KB,7 Pages
ManufacturerETC
Download Datasheet View All

SMV1250-001 Overview

36 pF, 15 V, SILICON, HYPERABRUPT VARIABLE CAPACITANCE DIODE

Plastic Packaged Surface
Mount Varactor Diodes
2
Features
Industry Standard Outlines: SOD–323 and
SOT–23 Packages
High “Q” Abrupt and Hyperabrupt Junction
Designs
Single, Common Anode and Common Cathode
Configurations
Available for 3 Volt Battery Operated Circuits
Priced for High Volume Commercial
Applications
Available in Tape and Reel
Also Available as Chips
Maximum Ratings (T
A
= 25°C)
Forward Current:
Power Dissipation:
Junction Temperature:
Storage Temperature:
Operating Temperature:
100 mA
250 mW
125°C
–55 to 150°C
–55 to 125°C
Description
The surface mount plastic varactor diodes are
designed for RF and Microwave applications in
VCOs, electronically tunable filters and matching
networks. Package offerings include the SOT–23 and
the small footprint SOD–323 package. Alpha offers a
comprehensive capability in capacitance values,
package options and voltage ratings all aggressively
priced for high volume commercial applications.
The SMV1247–001 to SMV1255–001 varactors were
specifically designed for battery operated
applications where 3 to 5 volts is available. These
varactors have capacitance ratios of greater than 12
from 0.3 to 4.7 volts.
Alpha’s hyperabrupt varactors are available in a wide
variety of tightly specified capacitance values and
high capacitance ratios. They are available as single
junctions and common cathode configurations where
they may be employed in a back–to–back orientation
to reduce distortion.
Alpha’s abrupt junction varactors are noted for
extremely high Q factor and are the preferred choice
in applications that require low phase noise and high
temperature stability.
The inductance of the SOT–23 package is typically
1.5 nH for each junction. Employing a common
cathode SOT–23 with the varactor junctions
connected in parallel reduces the inductance to
approximately 0.9 nH. The inductance of a varactor
in the SOD–323 package is approximately 1.5 nH.
Alpha Industries
[617] 935 5150
Fax
[617] 824 4579
E-mail
sales@alphaind.com
Visit our web site:
www.alphaind.com
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