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

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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