HALT30012 220nH Broadband Conical Inductor | Ultra-Wideband Frequency Coverage up to 40GHz+

Engineered for broadband bias and decoupling networks, the HALT30012 conical inductor delivers continuous resonance-free choking from 100 MHz through 40 GHz and beyond. Its air-core tapered cone winding distributes parasitic capacitance along a mechanical gradient, eliminating the narrowband self-resonance notches that plague conventional solenoid chokes.

Ultra-Wideband Frequency Coverage up to 40GHz+

Where a standard wirewound inductor self-resonates and turns capacitive, the HALT30012 maintains a flat, inductive high-impedance profile across the entire 0.1-40.0 GHz rated span, verified on a TRL-calibrated VNA with microstrip fixturing. The self-resonant frequency exceeds 40.0 GHz, so the choke never becomes a high-pass filter inside your signal path. Each production batch ships with measured .s2p Touchstone data (10 MHz-40 GHz) for direct import into ADS, HFSS or AWR.

Custom Conical Inductor Manufacturing

As a manufacturer of custom conical inductors, we tailor every parameter to your design. Customization options include:

• Nominal inductance: 100 nH to 2000 nH (other values on request)
• Wire gauge: 0.05 mm to 0.15 mm oxygen-free copper (thicker wire for higher DC current)
• Mounting style: flying leads or SMT pad variant
• Taper profile and turn count for target bandwidth optimization
• Termination finish: gold or tin plating
• Axial length and lead length adjustments

Typical customization cycle: engineering review within 24 hours, prototype samples in 5-7 working days, production lots in 15-25 working days. Each custom variant is VNA-characterized and shipped with its own .s2p data file.

Technical Specifications

Reliability Verification

Applications

• Laser driver and TIA DC bias injection in 100G/400G/800G optical transceivers (TOSA/ROSA)
• Wideband bias tees requiring single-inductor coverage from VHF through millimeter-wave
• GaAs pHEMT and GaN HEMT gate/drain bias networks
• High-speed photodiode reverse-bias decoupling in coherent receivers
• 5G mmWave phased-array element bias distribution
• Radar and EW receiver front-end bias choking