VTH12562-1440 - Mullard 3-3 simple mono HT Transformer

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  • Order Code: VTH12562-1440.
  • Issue: 2.
  • Page Updated: 07 May 2017.
  • Change Request: X50465.
  • Release Note: Y11260.
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Specification

  • Primary: 240 VRMS 50/60Hz.
  • Output: 300-0-300 VRMS 80mA 6.3ct 1A 6.3v 1A For Mullard 3-3.
  • Construction: Iron Laminated. Double insulated.
  • Treatment: Vacuum Varnish Impregnated.
  • Application: HT Anode and Heater supplies.
  • Range: Simple.

Mounting Arrangement

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Mechanical Dimensions

  • Size (SZ) = Patt29x1/1/2 FS.
  • Width (W) = 2 1/2 inch(64mm).
  • Depth (D) = 3 1/4 inch(83mm).
  • Height (H) = 3 1/16 inch(78mm).
  • Fix Centres (FWxFD) = 1 7/8 x 2 1/4 inch(48mm x 57mm).
  • Fix Size (FZ) = 3/16 inch(M4).
  • Weight (WT) = 2lb 10oz(1.2KG).

Circuit

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Connections

Function Connection
Neutral Blue wire
Live Brown wire
HT Anode A Red wire (A)
HT Centre(Ground) Black wire
HT Anode B Red wire (B)
Rectifier Filament A Brown+Brown marker wire (A)
Rectifier Filament B Brown+Red marker wire (B)
Heater A Blue+Blue marker wire (A)
Heater Centre Black+Blue marker wire
Heater B Blue+Red marker wire (B)

Connection Layout

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Below


Application Notes


  • Safety note: Warning. This part may be connected to high voltage. Disconnect then discharge for 5 minutes before working on circuit.
  • See also Links on Left of this page.

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