| Variable Voltage Technology Ltd |
![[Vvt Company Logo. DPC12713.jpg]](dpc12713.jpg)
|
Heater and Filament Transformers.
Links
- Home Page and Contact Details.
- HT Mains Transformers for HT.
- Chokes and Inductors.
- Single Ended Output Transformers.
- Push-pull Output Transformers.
- Grid Coupling Transformers.
- Valve Short Form Data
- Specially designed Parts.
- What we can do.
- Prices and Payments.
- Frequently Asked Questions List (FAQ).
- ISO9001:2001 Quality Approval.
- Site Map.
- Rewind Service.
![[U-Clamp Style]](dpc12710.jpg)
| ![[Frame Style]](dpc12757.jpg) |
![[Drop-Through Style]](dpc12737.jpg) |
![[Shroud with Feet Style]](dpc12712.jpg) |
| U-Clamp | Frame | Drop-Through | Shroud with Feet |
- Page Updated 20 Jan 2009.
- A range of Laminated Transformers optimised for use in Valve Filament and Heater applications.
- These transfomers feature high isolation voltage between windings.
- Low External Magnetic Field for Low Hum Generation.
- Professional quality materials.
- Varnish Impregnated for Low Acoustic noise.
- Compliant with current safety requirements.
- Fully isolated for operation on DC Rails up to 1000 Volts (or more).
- Various Voltage and Current Combinations.
- Special versions made to order.
- Several styles available for most designs.
Order Codes and Datasheet Links
| Order Code | Description | Clamp | Frame | Drop Through | Metal Shroud with Feet |
| VTF107 range | Mains 10-0-200-220-240V 50/60Hz Filament 4 x 2.5 Volts RMS at 2.5 Amps RMS 1KV isolation (all windings). Suitable for 4 independant 2A3 valves |
Data Sheet | Data Sheet | Data Sheet | Data Sheet |
| VTF108 range | Mains 240V 50/60Hz Heater 6.3 Volts RMS at 2 Amps RMS 3KV isolation. Suitable for Oscilloscopes and Transmitters. |
Data Sheet | Data Sheet | Data Sheet | Data Sheet |
| VTF109 range | Mains 240V 50/60Hz Heater or Filament 4 Volts RMS at 5 Amps RMS 3KV isolation. |
Data Sheet | Data Sheet | Data Sheet | Data Sheet |
| VTF110 range | Mains 10-0-200-220-240V 50/60Hz Heater or Filament 0-4-5-6.3 Volts RMS at 3 Amps RMS 3KV isolation. |
Data Sheet | Frame clamp not available at present | Drop Through not available at present | Shroud with Feet not available at present |
© 2009 Variable Voltage Technology Ltd. Document Number DCW12714.