VTH12926-1300 - Mullard 3-3 mono HT Transformer

Links


  • Order Code: VTH12926-1300.
  • Issue: 10.
  • Page Updated: 31 Jul 2016.
  • Change Request: X50450.
  • Release Note: Y11009.
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Specification

  • Primary: 10-0-200-220-240 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: Standard.

Mounting Arrangement

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Mechanical Dimensions

  • Size (SZ) = Patt29x1/1/2 DT.
  • Width (W) = 3 inch(76mm).
  • Depth (D) = 2 1/2 inch(64mm).
  • Height Above (HA) = 2 3/8 inch(60mm).
  • Height Below (HB) = 5/8 inch(16mm).
  • Fix Centres (FWxFD) = 2 1/2 inch x 2 inch(64mm 51mm).
  • Cutout Hole (CWxED) = 2 1/4 inch x 2 3/8 inch(58mm x 61mm) ES.
  • Fix Size (FZ) = 3/16 inch(M4).
  • Weight (WT) = 2lb 10oz(1.2KG).

Circuit

Picture:dpe12581.gif Picture:dpe12582.gif Picture:dpe12738.gif

Connections

Function Connection
10 Volts Pin 13
0 Volts Pin 14
200 Volts Pin 16
220 Volts Pin 17
240 Volts Pin 18
HT Anode A Pin 12
HT Centre(Ground) Pin 11
HT Anode B Pin 10
Rectifier Filament A Pin 9
Rectifier Filament B Pin 8
Heater A Blue+Blue marker wire (A) between Pins 7/8
Heater Centre Black+Black marker wire between Pins 7/8
Heater B Blue+Red marker wire (B) between Pins 7/8

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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