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Transformer - Hammond, Power, 400-0-400 V, 535 mA

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Item ID: 003535
Price: $138.08
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Size: 454 VA
Dual Primary: 115 VAC, 125 VAC, 60 Hz.
A.C. High Voltage Secondary RMS: 800V.C.T. @ 535mA
Filament Winding #1 6.3 V C.T. @ 6 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: 623980277400

RoHS Compliant

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Product Reviews

5.00 out of 5 based on 1 reviews

I am building a solid-state free H.V. power supply using four 6DQ3A in bridge rectifier configuration. Along with a 10 H choke the P.S. puts out about 900 Volts at 450 Ma. It will also contain two regulated supplies, one at 150 Volts and 255 Volts, using OD3A and a OC3A.
What inspired me to build this power supply is based on Gary Steinbaugh book " Make your own tube tester and Electron Tube Equipment. I already built my custom tube tester, see WWW.Kurankoncepts.com.

JOSEPH L KURAN - April 23rd, 2019

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