PTC elements for uniform heating without any power variation

– Quick heating with self regulating function


PTC elements

PTC elements are used as heating source in air heaters, drying units and compartment heaters for cars and trains.

PTC elements consist of PTC thermistors and aluminium strips put together by brazing or glueing. The PTC element can be mounted in a frame of heat resistant plastic or built-in in a specific application.


  • Rapid heating of the element
  • Self regulating function
  • Heating power controlled by the air flow
  • Uniform heating without any power variation
  • No risk for overheating
  • Long life time

Technical data


PTC termistors and aluminium strips, joined with soldering and gluing.
Possibly frame of heat resistant plastic


Assembly in a frame of heat resistant plastic
In-building in the actual application
Casting in heat resistant plastic
Customer specific aluminium profiles


110-400 VAC, 12-36 VDC


Heating elements
Immersion heaters
Heating chips
As accessory to heating elements
As accessory to flexible elements

Switching temperature:

Curie point min 50°C, max 260 °C

Example applications

  • Compartment heaters
  • Dehumidifiers
  • Towel dryer
  • Air heaters
  • Warming plates
  • Drying appliances
  • Glue guns
  • Heating systems for vehicles
  • Tumble driers

Product examples

Besides traditional PTC element Backer also produces tubular elements, where the PTC technology is used - please see below. We also keep a standard range of PTC element in plastic frame on stock for a fast delivery.


BACKER ALPE · Fco.I. Madero No. 2137 Pte. Col. Centro, C.P. 64000 Monterrey, N.L
Mexico · TEL: +52-81 1133 8753 · [email protected] · Corp. reg: 5560530569

2018 Backer Alpe. All rights reserved.