Adjustable Inductors for RF Tuning

Technical Specifications
Precision-engineered adjustable inductors with molded air-core construction, delivering tunable inductance from 16.5nH to 80.3nH. Critical performance metrics:

• Frequency Response: 30MHz–250MHz operating range

• Adjustment Range: ±20% inductance via vertical core tuning

• Q Factor: Minimum 40–50 @100MHz

• Temperature Coefficient: 150 ±100ppm/°C ensuring frequency stability

• Tolerance: ±0.2mm mechanical dimensions (6.6×9.3mm)

• Operating Temp: -25℃ to +105℃ including self-heating

Core Technologies
Patented poplastic molding eliminates core saturation at high frequencies. The screw-adjustable ferrite core enables real-time inductance calibration, while optimized Q-factor minimizes RF signal loss. Lead-free tin plating ensures solderability per J-STD-020 standards.

Applications
Wireless Communication:

• VCO tuning in 100–250MHz transceivers

• Impedance matching for GPS/GNSS antennas
  Automotive Electronics:

• FM radio receiver coils

• Tire pressure monitoring system (TPMS) modules
  Industrial RF Systems:

• Security field sensors

• Drone telemetry control circuits

Adjustable Inductors for RF Tuning Images