EMI Filter Calculator
Design LC filters for EMI suppression
Filter Parameters
Component Values
Series L, Shunt C
Inductor (L)
79.58 nH
Capacitor (C)
31.83 pF
-3dB Frequency
100 MHz
Filter Order
2
Roll-off
40 dB/dec
Use standard component values. Consider ESR/ESL for high-frequency applications.
Filter Selection Guide
Low-Pass LC
Power supply filtering, RF blocking
Pi Filter (CLC)
High attenuation, DC power lines
T Filter (LCL)
High impedance sources/loads
EMI Frequency Ranges
Conducted150kHz-30MHz
Radiated30MHz-1GHz
CISPR 3230MHz-6GHz