Kevin Chen

Coil Inductance Calculator Based on Wheeler’s formula for single-layer air-core coils. Coil Diameter (d)

RC Low-Pass Filter Calculator Resistance (R) =1000?(fc/1000).toFixed(2)+’ kHz’:fc.toFixed(2)+’ Hz’;document.getElementById(‘rcTau’).innerText=(t*1000).toFixed(3)+’ ms’;document.getElementById(‘rcOmega’).innerText=(2*Math.PI*fc).toFixed(2)+’ rad/s’;” style=”flex:1;padding:10px;border:1px solid #ccc;border-radius:6px;font-size:14px;”>ΩkΩMΩ Capacitance (C) =1000?(fc/1000).toFixed(2)+’ kHz’:fc.toFixed(2)+’ Hz’;document.getElementById(‘rcTau’).innerText=(t*1000).toFixed(3)+’ ms’;document.getElementById(‘rcOmega’).innerText=(2*Math.PI*fc).toFixed(2)+’ rad/s’;” style=”flex:1;padding:10px;border:1px solid #ccc;border-radius:6px;font-size:14px;”>pFnFµFmF Cutoff Frequency (fc): 1.59 kHz Time Constant (τ): 0.100 ms Angular Frequency (ω): 10000.00 rad/s Formula: fc = 1 / (2π × R × C)  |  τ = R × C

Toroid Inductor Calculator Number of Turns (N): AL Value (nH/N²): Inductance (AL method): 250.00 µH Geometry Method (Advanced) Relative Permeability (µr): Outer Diameter OD (mm): Inner Diameter ID (mm): Height H (mm): Inductance (Geometry method): — Formula 1: L = AL × N²  |  Formula 2: L = (µ₀ × µr × N² × A)

Air Core Inductor Calculator Calculates inductance of a single-layer air core coil using Wheeler’s formula: L (µH) = (d² × N²) / (18d + 40ℓ) Coil Diameter (d)mmin Coil Length (ℓ)mmin Number of Turns (N) Wire Diametermmin Inductance (L) 5.56 µH Wire Length 1596.1 mm (62.83 in) Min Coil Length 508.00 mm (20.000 in) Res.

Capacitor Value Calculator Capacitance Value