Power Filter for Automotive Electronics

A power line noise filter to isolate mobile electronics such as two-way radios from noise generated by the alternator or other sources.

Design Details

Schematic

PCB

Bill of Materials

Designator Description Manufacturer Part NumberSorted descending
C1 Capacitor, 4700μF 25V Nichicon UVR1E472MHD
L1 Common-mode choke, .47mH 14A Pulse P0502NL
F1-2 Fuse holder, ATO vertical Littelfuse 178.6164.0002
J1-2 Barrier strip, 2-position .375" TE Connectivity 3-1437664-0

Mating Connectors

Barrier strips J1 and J2 mate with spade lugs, maximum width .318"

-- StephenCavilia 11 May 2013

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Topic revision: r1 - 12 May 2013, StephenCavilia
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