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Transformer - Hammond, Power, 260-0-260 V, 104 mA

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Item ID: 003520
Price: $66.79
In stock
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Size: 76 VA
Dual Primary: 117 VAC, 127 VAC, 50/60 Hz.
A.C. high Voltage Secondary RMS: 520V.C.T. @ 104mA
Filament Winding #1 6.3 V @ 3.5 A
Filament Winding #2 -


  • Enclosed, 4 hole, chassis mount.
  • Minimum 6" long leads.
  • Units can be run full wave bridge or full wave C.T.
  • Class A insulation (105 degrees C).
  • Hi-Pot test of 2,000V RMS.
  • Conservative designs - CSA certified (209651).
  • NOTE: A production "running change" has been made to the primary winding - effective with August 2009 production.

Choice #1 (115 VAC Input): For those customers who need the 115V input - nothing has changed - simply use the White & Gray wires and tape the Black wire (see above schematic). Choice #2 (125 VAC Input): For those customers who are seeing too high a secondary voltage due to higher primary line voltages (roughly 125V input) - use the White & Black wire and tape the gray wire Caution: NEVER connect power to BOTH the GRAY & BLACK wire - instantaneous destruction of the transformer will result!

UPC/EAN: 623980241784

RoHS Compliant

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Product Reviews

5.00 out of 5 based on 3 reviews

I used this transformer in a 6V6 push-pull amplifier build. It works great and I could not be happier with the results. I plan on buying another one for another amplifier build.

Obin Robinson - August 6th, 2018

I needed a replacement transformer for my restoration of a Grundig 1959 3086 AM/FM/SW tube radio. This was a perfect match in ratings and size. Chassis needed no modification to mount the transformer. An Excellent product!

Tom S - May 11th, 2016

looks great and works perfectly

kitchi - July 31st, 2014

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