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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. These diodes are offered with standard Sn/Pb plating, as well as with 100 matte Sn plating on our RoHS compliant devices.

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