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MA4ST400_1 Datasheet, PDF (1/4 Pages) Tyco Electronics – Surface Mount Hyperabrupt Varactors
Surface Mount
Hyperabrupt Varactors
Features
• Surface Mount Packages
• High Quality Factor
• Capacitance Ratio to 9.5:1
• Tape and Reel Packaging Available
• SPC Monitored Ion Implantation for Excellent
• C-V Repeatability
• Singles and Common Cathode Pairs
• Lead-Free (RoHS Compliant) Equivalents
Available with 260 °C Reflow Compatibility
Description
M/A-COM’s MA4ST400 series are ion-implanted,
hyperabrupt junction, silicon tuning varactors in
the SOT-23 surface mount package. These ther-
mal oxide passivated diodes feature high capaci-
tance ratio and quality factor. They are well suited
for octave bandwidth tuning in the HF to UHF fre-
quency bands. The standard capacitance toler-
ance is ± 10%, with tighter tolerances available.
Capacitance matching at one or more bias volt-
ages is also available.These diodes are offered
with standard Sn/Pb plating, as well as with 100%
matte Sn plating on our RoHS compliant devices.
Applications
The MA4ST400 series tuning varactors are useful
for octave bandwidth tuning applications in the HF
through UHF ranges. Applications include VCOs
and voltage tuned filters in radios, cable TV tun-
ers and test instruments where low cost and ex-
cellent lot-to-lot repeatability are critical. Linear
tuning performance is available from 3 to 8 volts.
Configurations
Common Cathode
Single
1
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
Also Offering
RoHs Compliant
Equivalent Parts
MA4ST400 Series
V2
Absolute Maximum Ratings @ TA=+25 °C
(Unless Otherwise Noted) 1
Parameter
Reverse Voltage
Forward Current
Total Power Dissipation
Absolute Maximum
22V
50 mA
250 mW
Operating Temperature
-55 °C to +125 °C
Storage Temperature
-55 °C to +125 °C
1. Operation of this device above any one of these parameters
may cause permanent damage.
2. Please refer to application note M538 for surface mounting
instructions
RoHs Compliant Parts
Part Number
MA4ST401-287T
MA4ST402-287T
MA4ST403-287T
MA4ST404-287T
MA4ST405-287T
MA4ST406-287T
MA4ST407-287T
MA4ST408-287T
MA4ST409-287T
MA4ST401CK-287T
MA4ST402CK-287T
MA4ST403CK-287T
MA4ST404CK-287T
MA4ST405CK-287T
MA4ST406CK-287T
MA4ST407CK-287T
MA4ST408CK-287T
MA4ST409CK-287T
RoHs Compliant
Part Number
MAVR-000401-0287AT
MAVR-000402-0287AT
MAVR-000403-0287AT
MAVR-000404-0287AT
MAVR-000405-0287AT
MAVR-000406-0287AT
MAVR-000407-0287AT
MAVR-000408-0287AT
MAVR-000409-0287AT
MAVR-000401-0287FT
MAVR-000402-0287FT
MAVR-000403-0287FT
MAVR-000404-0287FT
MAVR-000405-0287FT
MAVR-000406-0287FT
MAVR-000407-0287FT
MAVR-000408-0287FT
MAVR-000409-0287FT
Configuration
Single
Single
Single
Single
Single
Single
Single
Single
Single
Common Cathode
Common Cathode
Common Cathode
Common Cathode
Common Cathode
Common Cathode
Common Cathode
Common Cathode
Common Cathode
1Suffix refers to package style , configuration and packaging requirements.
Other packages and configurations may be available upon request.
• North America Tel: 800.366.2266 / Fax: 978.366.2266
• Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
• Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.