FC-1 Choke Pin-out

korneluk · 1567

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Offline korneluk

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on: January 24, 2019, 02:32:50 PM
Given the assembly pin-out below, what is the connection for the FC-1 choke in common-mode?
upper bobbin 10-9-8-7-6
lower bobbin 5-4-3-2-1




Online Paul Birkeland

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Reply #1 on: January 24, 2019, 04:00:45 PM
It's probably easiest to just show snippets from the old Paramount manual.

The "input" side is always the left most top and bottom terminal in the photos I attached.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Online Paul Joppa

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Reply #2 on: January 24, 2019, 08:21:43 PM
Those photos from the manual are differential mode for the main inductance - only the leakage inductance is in common mode with that connection.

It's late so I won't try to describe the connections. I will show the spec sheet instead, and answer questions if necessary tomorrow  :^)

Paul Joppa

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