Datasheet

1
6
Introduction
Design
Guide
Polyimide
Heaters
Silicone
Rubber
Heaters (foil)
Standard
Polyimide
& Rubber
Rubber
Heaters
(wire-wound)
Mica Heaters
Thermal-Clear
Heaters
All-Polyimide
Heaters
Sensors,
Controllers &
Accessories
Reference
Polyimide Thermofoil™ Heaters
|
Flexible Heaters Design Guide | www.minco.com
Specifications subject to change
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 Ω, 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
Maximum heater thickness:
Over element 0.012” (0.3 mm)
Over leads
AWG 30 (0.057 mm²) 0.050” (1.3 mm)
AWG 26 (0.141 mm²) 0.060” (1.5 mm)
AWG 24 (0.227 mm²) 0.065” (1.7 mm)
AWG 20 (0.563 mm²) 0.085” (2.2 mm)
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.
Polyimide/FEP Heaters
Maximum Watt Density
Example: At 50°C, the maximum power for a heater mounted with acrylic
PSA is 18 W/in² (2.79 W/cm²).
0
10
20
30
40
50
60
-25°C 0°C 25°C 50°C 75°C 100°C 125°C 150°C 175°C 200°C 225°C
Maximum Allowable Power:
Watts/square inch of effective area
0.00
3.10
6.20
9.30
-13°F 32°F 77°F 122°F 167°F 212°F 257°F 302°F 347°F 392°F 437°F
Watts/square cm
Acrylic PSA
#15 Epoxy
12 PSA w/
Aluminum
Acrylic
PSA w/
Aluminum
BM3 Shrink Band
Stretch tape or
Clamped
MOUNTING METHOD
HEATER:
0.002” POLYIMIDE (0.05mm)
0.001” ADHESIVE (0.03mm)
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.
Model Number TB-H1