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Date Posted by Category User IP

2015-03-26 (UTC)

K4MFN

Components

75-120-123-194.dyn.centurytel.net

H P TF4SX03YY Transformer sold

FS:Used HP Power transformer from a USM-140 scope. Part # TF4SX03YY.
Specs:120/240 primary-secondaries:44V@10A,248V@500ma, 177V@ 750ma,160V@ 750 ma,6.3V@ 10A, 6.3V@ 600ma (highly insulated-CRT heaters?).
I conn, xfmr to my Killawatt meter and 120V input and pri. current was about .4A. I ran it w. no load for 15 mins and no overheating. I then conn. a 1000 ohm/50w load to 248v secondary and ran it for 15 mins (watt meter ind. 77)and no overheating. All secondary voltages were normal. So, I think this transformer could be used in various power supply applications.
Asking $10 plus ship. 36316.

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