Datasheet > SMV1299

SMV1299

更新时间： 2024-11-15 09:18:27

品牌	Logo	应用领域
其他 - ETC		二极管变容二极管
页数	文件大小	规格书
7页	133K
描述
Plastic Packaged Surface Mount Varactor Diodes

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SMV1299 数据手册

Plastic Packaged Surface

Mount Varactor Diodes

Features

Industry Standard Outlines: SOD–323 and

SOT–23 Packages

High “Q” Abrupt and Hyperabrupt Junction

Designs

Single, Common Anode and Common Cathode

Configurations

Maximum Ratings (T_A= 25°C)

Available for 3 Volt Battery Operated Circuits

Forward Current:

100 mA

Priced for High Volume Commercial

Applications

Power Dissipation:

250 mW

Junction Temperature:

Storage Temperature:

Operating Temperature:

125°C

Available in Tape and Reel

Also Available as Chips

–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. Packageofferings 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.

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 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.

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’s hyperabrupt varactors are available in a wide

variety of tightly specified capacitance values and

Alpha Industries • [617] 935Ć5150 • Fax [617] 824Ć4579 • E-mail sales@alphaind.com • Visit our web site: www.alphaind.com

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