Catalogue Flexible Heaters Design Guide
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Polyimide Thermofoil™ Heaters
Specifications
Temperature range: -200 to 200°C (-328 to 392°F). Upper limit with 0.003" (0.08 mm) foil backing is 150°C (302°F).
Material: .0.002"Polyimide/0.001" FEP, (0.05/0.03 mm).
Resistance tolerance: ±10% or ±0.5 Q, whichever is greater.
Dielectric strength: 1000 VRMS.
Minimum bend radius: 0.030" (0.8 mm).
Leadwire: Red PTFE insulated, stranded.
Current capacity (based on 100°C max. ambient temp.):
AWG 30 - 3.0 A AWG 26 - 5.0 A AWG 24 - 7.5 A
AWG 20 - 13.5 A
T3 ¡2
O X
Maximum heater thickness:
Over element
Over leads
AWG 30 (0.057 mm2) AWG 26 (0.141 mm2) AWG 24 (0.227 rrW)
AWG 20 (0.563 mm2)
0.012" (0.3 mm)
0.050" (1.3 mm) 0.060" (1.5 mm) 0.065" (1.7 mm) 0.085" (2.2 mm)
Flexible heaters Prototype Design Kit
The Flexible Heaters Prototype Design Kit allows you to easily test and prototype a heating concept before starting on a journey of custom-built-to-order product.
Filled with polyimide and silicone rubber Thermofoil™ heaters, instructions and technical data, this kit will help you move towards successfully integrating flexible heaters into your application.
Add 0.005" (0.1 mm) to above dimensions for foil backing. Dimensional tolerance:
6" (150 mm) or less ±0.03" (±0.8 mm)
6.01 to 12" (150 to 300 mm) ±0.06" (±1.5 mm)
Over 12" (300 mm) ±0.12" (±3.0 mm)
Tighter tolerances are available on custom designs if needed.
Model Number
TB-H1
Polyimide/FEP Heaters Maximum Watt Density
-148°F -103°F -58°F -13°F 32°F 77°F 122°F 167°F 212°F 257°F 302°F 347°F 392°F 437°F
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NTING
METH
OD
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M3 Shri
ik Band
12 PS/
, w/ Alu
minum
^Stre
tchtap
e or Cla
nped
Acrylic
PSA w/
Alumin
Acr
ylic PSA
HEAT
0.002' 0.001'
ER:
POLYIM ADHES
«IDE (0 IVE (0.0
05mm 3 mm)
#15
Epoxy
y
50
9.3
50
7.75
I
C Q.
>
40
6.2
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o
3
4.65
^5 u 3 to c
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3.1
10
1.55
0
-100°C -75°C -50°C -25°C 0°C 25°C 50°C 75°C 100°C 125°C 150°C 175°C 200°C 225°C
Example: At 50°C, the maximum power for a heater mounted with acrylic PSA is 20 W/in2 (3.1 W/cm2).
Specifications subject to change
Flexible Heaters Design Guide | www.minco.com
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