Product Summary
The MA4ST409CK-287T is an ion-implanted, hyperabrupt junction, silicon tuning varactor in the SOT-23 surface mount package. The thermal oxide passivated diode features high capacitance ratio and quality factor. The MA4ST409CK-287T is 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.
Parametrics
MA4ST409CK-287T absolute maximum ratings: (1)Reverse Voltage: 22V; (2)Forward Current: 50 mA; (3)Total Power Dissipation: 250 mW; (4)Operating Temperature: -55℃ to +125℃; (5)Storage Temperature: -55℃ to +125℃.
Features
MA4ST409CK-287T features: (1)Surface Mount Packages; (2)High Quality Factor; (3)Capacitance Ratio to 9.5:1; (4)Tape and Reel Packaging Available; (5)SPC Monitored Ion Implantation for Excellent; (6)C-V Repeatability; (7)Singles and Common Cathode Pairs; (8)Lead-Free (RoHS Compliant) Equivalents; (9)Available with 260℃ Reflow Compatibility.