Phase Angle Triac Firing Circuit – PATFC

The PATFC offers precise phase control for driving triac power devices in various load applications.

£21.50 ex. VAT

Quantity discounts
1-4 5-9 10-19 20+
£21.50 £20.43 £19.40 £18.44


Introducing the Phase Angle Triac Firing Circuit (PATFC), a versatile thick-film hybrid firing circuit designed for phase control, offering simple and efficient proportional control for driving triac power devices across various load applications.

Key Features:

  • Compact Thick Film Technology: Utilizes advanced thick film technology for a compact and efficient design, ensuring reliable performance in demanding environments.
  • Simple Triggering Device: Offers a straightforward triggering mechanism, simplifying operation and enhancing usability for seamless integration into diverse applications.


  • Ovens
  • Electric Furnaces
  • Heating Tapes
  • Smelters
  • Quartz Lamps / Heat Lamps
  • Moulders
  • Dryers
  • Stress Relieving
  • Space Heating
  • Heating Mantles

*Note: This product is unsuitable for use with inductive loads.

Upgrade your firing circuit with the Phase Angle Triac Firing Circuit (PATFC), offering precise phase control and reliable performance across a wide range of applications. Built with innovative thick film technology, it ensures efficient operation and simplified control for enhanced functionality.

Supply voltage50V to 250V ac @ 50 to 60Hz
Hysteresis (typical)5%
Power rating5A (max.).
Controlled conduction angle10W (min.); 1kW (max.)
Maximum gate current50mA
Storage temperature0 to 65ºC
Total conduction angle0 to 160º
Further Dimensions
Overall (max.)18(H) x 11(W) x 4(D) mm
Lead pitch5 & 2.5mm-pin S.I.L. type
Lead length (max.)10mm
Lead diameter0.5mm (typical)
Body length9mm
Body width11mm
Body thickness4mm

Additional information

Download the technical document for this product below.

Download Technical Datasheet
Dimensions 4 × 1.1 × 1.8 cm
Technical Support
customer service United Automation

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