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MA4ST408

Tyco
Part Number MA4ST408
Manufacturer Tyco
Description Surface Mount Hyperabrupt Varactors
Published Apr 27, 2005
Detailed Description Surface Mount Hyperabrupt Varactors MA4ST400 Series MA4ST300 Series Surface Mount Hyperabrupt Varactors Features • • ...
Datasheet PDF File MA4ST408 PDF File

MA4ST408
MA4ST408

Overview
Surface Mount Hyperabrupt Varactors MA4ST400 Series MA4ST300 Series 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 SOT-233 Description M/A-COM’s MA4ST400 series are ion-implanted, hyperabrupt junction, silicon tuning varactors in the SOT-23 surface mount package.
These thermal oxide passivated diodes feature high capacitance ratio and quality factor.
They are well suited for octave bandwidth tuning in the HF to UHF frequency bands.
The standard capacitance tolerance is ± 10%, with tighter tolerances available.
Capacitance matching at one or more bias voltages is also available.
Configurations TOP VIEW 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 tuners and test instruments where low cost and excellent lot-to-lot repeatability are critical.
Linear tuning performance is available from 3 to 8 volts.
Single Double Ordering Information The model number indicated is for a single varactor.
When ordering diodes in common cathode pairs add suffix “CK.
” For example, MA4ST401CK specifies model number MA4ST401 in common cathode pairs.
To order parts on tape and reel add suffix “T” to the end of the part number.
i.
e.
, MA4ST401CK-T.
Absolute Maximum Rating @ 25°C Parameter Reverse Voltage Forward Current 1 Total Power Dissipation Junction Operating Temp.
Storage Temperature Absolute Maximum 22 Volts 50 mA 250 mW -55°C to +125°C -55°C to +125°C 1.
At 25°C case temperature.
Derate linearly to zero at 150°C.
M/A-COM Division of AMP Incorporated 3 North America: Tel.
(800) 366-2266, Fax (800) 618-8883 3 Asia/Pacific: Tel.
+85 2 2111 8088, Fax +85 2 2111 8087 3 Europe: Tel.
+44 (1344) 869 595, Fax+44 (1344) 300...


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