VTH12922-1340 - Mullard 5-20 mono HT Transformer

Links


  • Order Code: VTH12922-1340.
  • Issue: 9.
  • Page Updated: 31 Jul 2016.
  • Change Request: X50450.
  • Release Note: Y11013.
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Specification

  • Primary: 10-0-200-220-240 VRMS 50/60Hz.
  • Output: 410-0-410 VRMS 200mA 6.3ct 3A 6.3ct 2A 5v 2A.
  • 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) = Patt120x1/1/2 Drop.
  • Width (W) = 4 5/8 inch (117mm).
  • Depth (D) = 3 5/8 inch (92mm).
  • Height Above (HA) = 2 11/16 inch (68mm).
  • Height Below (HB) = 1 1/16 inch (27mm).
  • Fix Centres (FWxFD) = 3 3/4 inch x 3 inch (95mm x 76mm).
  • Cutout Hole (CWxED) = 3 1/8 inch x 2 3/4 inch (80mm x 70mm) ES.
  • Fix Size (FZ) = 3/16 inch (M4).
  • Weight (WT) = 6lb 10oz(3KG).

Circuit

Picture:dpe12581.gif Picture:dpe12582.gif Picture:dpe12773.gif

Connections

Function Connection
10 Volts Mauve wire 16
0 Volts Blue wire 16
200 Volts Yellow wire 20
220 Volts Orange wire 20
240 Volts Red wire 20
HT Anode A Red wire (A) 15
HT Centre(Ground) Black wire 15
HT Tap B Red wire (B) 15
Rectifier Filament A Brown sleeved wire (A) 13
Rectifier Filament B Brown sleeved wire (B) 13
Heater A Blue sleeved wire (A) 11
Heater Centre Black sleeved wire 11
Heater B Blue sleeved wire (B) 11
Heater 2 A Green sleeved wire (A) 12
Heater 2 Centre Black sleeved wire 12
Heater 2 B Green sleeved wire (B) 12

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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