Product Detail

Low Voltage, Low Rs Si Hyperabrupt
The MA4ST300 series are ion-implanted, hyperabrupt junction, silicon tuning varactors in SC79, SC70 3LD, and SOD-323 surface mount packages. This series of varactors is designed for high capacitance ratio and low voltage operation. Each varactor type has a better than 3:1 capacitance ratio between 0.5V and 3.0V. The MA4ST300 series tuning varactors are useful for wide band tuning and low phase noise applications where the supply voltage is limited to 5 volts or less. These varactors have been specifically designed to cover wireless application bands up to the 2.4 GHz WLAN band. Applications include VCOs and voltage tuned filters.
  • Surface Mount Packages (SC70 3LD, SC79, SOD-323)
  • Also offering RoHS Compliant Equivalent Parts
  • Designed for Commercial Wireless Applications
  • Tape and Reel Packaging
  • Available as Single and Common Cathode Pairs
  • SPC Process for Superior C-V Repeatability
  • High Q at Low Voltages
  • High Capacitance Ratio at Low Voltages
  • ISM
  • Gamma: 1 
  • Breakdown Voltage: 12 V
  • Total Capacitance: 28 pF
  • Quality Factor @ 50 MHz, Min: 300 
  • ODS-1141
Package Category
  • Plastic Surface Mount
Contact Info
Part Number Package MACOM Richardson RFPD DigiKey Mouser Richardson Electronics
Diode, Varactor, Single, Plastic
SOD323 Inquire

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