Watlow Kapton Data sheet
W A T L O W
;;;
• Same day shipment on stock units with orders
received by 11:00 a.m.CST.
Flexible Heaters
Kapton®Material
A thin, lightweight organic polymer
film, Kapton®provides excellent
tensile strength, tear resistance and
dimensional stability. This heater is
ideal for applications requiring low
outgassing in a vacuum, or
resistance to radiation, fungus and
chemicals. Kapton®is also very
resistant to solvents.
Performance Capabilities
• For operating environments as low
as -319°F (-195°C), heater temperature as high as 392°F (200°C)
b
2
32
inch
FEP-Coated
®
Kapton
Film
Maximum operating watt density:
At 77°F (25°C) in open air:
7 W/in2(1 W/cm2)
At 300°F (150°C): 10 W/in
2
Watt density rating on stock
units: 5 W/in2(0.8 W/cm2)
Dielectric strength:
Minimum VÅ(ac): 1000
Teflon®or Kapton
Leads Available
0.007" (0.18 mm) Thick Heater
with Etched Foil Element
®
Flammability rating:
Self-extinguishing
Heater size limitations: 20 x 26
inches (510 mm x 660 mm)
Weight loss (outgassing):
0.51 percent
Standard lead length: 12 inches
®
(305 mm) Teflon
E
189
Flexible Heaters
• Watt densities to 50 W/in
(7.75 W/cm2)
a
Features and Benefits
• Excellent physical and electrical
properties result in thermal stability
over a wide temperature range.
• Transparent Kapton®material
allows inspection of internal details.
• Resists radiation and fungus,
allowing its use in a wide range of
applications.
• UR®and cUR®available on many
custom designs.
Applications
• Military/aerospace, where low
outgassing properties are required
• Medical, where thorough cleaning
or sterilization is needed
• Laboratory research
• Photographic equipment
• Optical equipment
• LCD displays
• Computer equipment
Standard Specifications
Thickness: 0.007 inch (0.2 mm)
Flexibility (min. radius):1⁄
(0.8 mm)
Weight: 1.5 oz./ft
2
(0.05 g/cm2)
Operating temperature:
Maximum: 392°F (200°C)
Minimum: -319°F (-195°C)
Kapton®and Teflon®are registered
trademarks of E.I. du Pont de Nemours &
Company.
®
and cUR®are registered trademarks of
UR
Underwriter's Laboratories, Inc.
a Watt density limits are application dependent (operating temperatures, bonding method and heat sink).
b We recommend maximum part temperature at 300°F (150°C). For more information, ask for technical letter #4, Kapton®heaters.
Flexible Heaters
Kapton Material
F.O.B.: Columbia,Missouri
Options
Stock
• Pressure Sensitive Adhesive
Surface (PSAS) (see page 165
for more information)
Made-to-Order
• PSAS
• Factory bonding
• Holes, cutouts, notches
Width Length Volts Watts Availability Code Number Code Number
in. (mm) in. (mm) 28V 120VÅ(ac)
0.5 (13) 2 (50) 28 5 Stock K005020C5
1 (25) 1 (25) 28 5 Stock K010010C5
1 (25) 3 (75) 28 15 Stock K010030C5
1 (25) 5 (125) 120 25 Stock K010050C3
1 (25) 15 (380) 120 75 Stock K010150C3
2 (50) 10 (255) 120 100 Stock K020100C3
3 (75) 5 (125) 120 75 Stock K030050C3
4 (100) 4 (100) 120 80 Stock K040040C3
5 (125) 5 (125) 120 125 Stock K050050C3
• Special leads
How to Order
Determine width, length, volts and
watts. Specify the code number and
quantity if the heater is listed in the
stock list above. To specify PSAS
add A to code number. For made-to-
order heaters, please provide the
following:
• Quantity
• Size (dimensions)
• Voltage
• Wattage/watt density
• Operating temperature
• Options, such as holes, PSAS.
Special Product Offering
Kapton®Handy Heater Kit—For
Quick Heating Solutions
Watlow offers a convenient way to
use Kapton®heaters. The Handy
Heater Kit consists of 16 Kapton
®
heaters—13 rectangular and three
circular—in different sizes and
resistances. So when you need a
small flexible heater in a hurry, you
can pick the one that fits your
application.
F.O.B.: Columbia,Missouri
Kapton®Kit
Description Availability Code Number
Heater Kit Only Stock K05711980
Kit with PSAS Stock K05711980A
Kit with 3 Lead Pairs Stock K05711980L
Kit with PSAS and Leads Stock K05711980AL
Individual heaters are K05711980-circuit letter.
Circuit (ohms) (inches)
Resistance Size
A401⁄2 x 2 1⁄8
B 90 1 x 2 1⁄8
C 145 1 1⁄2 x 2 1⁄8
D 205 2 x 2 1⁄8
E801⁄
F 165 1 x 3 5⁄8
G 275 1 1⁄2 x 3 5⁄8
H 375 2 x 3 5⁄
I 130
J 255 1 x 5 3⁄4
K 28 1 x 1 1⁄8
L131⁄2 x 1 1⁄8
M 32 1 O.D.
N 180 2 O.D.
O 185 4 O.D.
P 45 1 x 1 3⁄8
x 3
2
1
⁄2 x 5 3⁄4
5
Approx. net weight: 1.5 ounces/ft2(0.05 g/cm2)
• Will heater be subject to flexing?
Availability
Stock: Same day shipment of orders
received by 11:00 a.m. CST.
Made-to-Order: Consult factory
Other Features
• The heater sheet can be ordered
with or without pressure sensitive
adhesive (PSAS), depending on
your needs.
To specify PSAS
add A to code number.
8
⁄
• The kit comes with instructions
for wiring, lead attachment and
8
selection and installation. Pretinned solder pads are provided
for easy lead connections.
• The instructions also show you
how to dial in your desired
wattage using a variable voltage
transformer.
• The heaters can be wired
individually, in series, or parallel
for hundreds of variations to
satisfy your special application.
Availability
Stock: Same day shipment of orders
received by 11:00 a.m. CST.
190
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