User Manual
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Polyimide Thermofoil Heaters
Thin, exible heating solutions from -200 to 200°C
Overview
 • Polyimide (Kapton™) is a thin, semitransparent material 
with excellent dielectric strength. Polyimide Thermofoil™ 
heaters are ideal for applications with space and weight 
limitations, or where the heater will be exposed to 
vacuum, oil, or chemicals.
 • The lightweight heater has less thermal mass to improve 
thermal response
 • The thin profile with nearly infinite custom X-Y geometry 
design options allows you to apply heat where it’s needed, 
reducing operating costs
 • Etched-foil heating technology provides fast and efficient 
thermal transfer
 • Customized options (i.e. SMT components, flex leads and 
connectors) offer turnkey solutions to drastically reduce 
assembly time and increase productivity
 • Custom profiling gives uniform thermal performance 
of the heating output to improve processing yields and 
productivity
 • UL and TUV component recognition available
 • Suitable for vacuum environments (NASA-RP-1061)
 • NASA approved materials for space applications 
(S-311-P-079)
 • Resistant to most chemicals: acids and solvents
 • Radiation resistant to 106 rads if built with polyimide- 
insulated leadwire (custom option)
 • Very small sizes available
 • Fluid immersible designs available (not standard)
 • Optional built-in temperature sensors
Mounting Methods
 • #12 PSA with aluminum backing
 • Acrylic PSA with or without aluminum backing
 • #15 epoxy
 • BM3 shrink band
 • Stretch tape
 • Mechanical clamping
Typical applications
 • Medical diagnostic instruments and analyzers
 • Maintain warmth of satellite components
 • Protect aircraft electronic and mechanical devices against 
cold at high altitudes
 • Stabilize optoelectronic components
 • Test or simulate integrated circuits
 • Enable cold weather operation of outdoor electronics such 
as card readers, LCDs or ruggedized laptops
 • Maintain constant temperature in analytic test equipment
Options
 • Shapes and sizes up to 22” x 72” (560 x 1825 mm)
 • Resistance up to 1500 Ω/in² (233 Ω/cm²)
 • WA, ULA, or FEP (UL recognized) internal adhesive 
 • Available with surface mount sensors, connectors, heat 
sinks and even integral controllers
 • TÜV or UL recognition marking is optional
 • RoHS compliance










