Bifilar Heater


Bifilar designs provide an unusual heat control scheme when variable input voltage is not available. Each heating element has its own input wire set which is controlled independently – giving the engineer the ability to step wattage output, blend heating schemes, or pulsate between heating elements to satisfy a unique requirement in the OEM’s device.


All Flex Bifilar heaters implement multiple conductor widths within the same layout, providing multiple resistance levels. Input voltage is required for each element.


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  • ISO 9001:2008 ISO 9001:2008
  • ITAR Registered ITAR Registered
  • JCP Certified JCP Certified
  • UL Recognized UL Recognized
  • Member IPC Member IPC
  • AS9100 AS9100

In addition to flexible heaters, All Flex also manufactures flexible circuits, for more information please visit to explore our extensive line of flex circuitry.

All Flex Heaters