THERM-A-GAP 580 Thermally Conductive Gap Filler Pads | #69-12-28540-A580


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69-12-28540-A580

THERM-A-GAP 580 Thermally Conductive Gap Filler Pads | #69-12-28540-A580

Parker Chomerics THERM-A-GAP™ 580 Thermally Conductive Gap Filler Pads provide a moderate hardness (75 Shore 00) solution with 3.0 W/m-K of thermal conductivity


Technical Specifications

  • Carrier Type: A - Aluminum Foil with PSA
  • Material Thickness: 0.015 in
  • Size: 18" x 18"
  • Shape: Flat Sheets
  • Color: Yellow
  • Shelf Life: 36 Months
  • Specific Gravity: 2.9
  • Durometer: 45
  • Deflection at Pressure: 30 % @ 50 psi (345 kPa)
  • Operating Temperature: -55 to 200 °C
  • Thermal Conductivity: 3 W/m-K, >= 3 W/m-K
  • Thermal Impedance: 4.5 °C-cm2/W
  • Heat Capacity: 3 J/g-K
  • Coefficient of Thermal Expansion: 150 ppm/K
  • Dielectric Strength: 200 VAC/mil
  • Volume Resistivity: 10^14 ohm-cm
  • Dielectric Constant: 8 @ 1 MHZ
  • Dissipation Factor: 0.01 @ 1 MHZ
  • Specifications Met: UL 94 V-0, RoHS
  • Test Method: 'ASTM C165 MOD, ASTM D149, ASTM D150, ASTM D2240, ASTM D257, ASTM D374, ASTM D5470, ASTM D792, ASTM E1269, ASTM E595, ASTM E831
  • Outgassing Total Mass Loss: 0.18 % TML (0.05% CVCM)
Safety Warning

Item Information

Parker Chomerics THERM-A-GAP™ 580 Thermally Conductive Gap Filler Pads provide a moderate hardness (75 Shore 00) solution with 3.0 W/m-K of thermal conductivity. THERM-A-GAP™ 580 series gap-filler sheets and pads offer excellent thermal properties and the highest conformability at low clamping forces. THERM-A-GAP™ 580 is best for molding complex parts and vibration dampening while also possessing the lowest outgassing.


THERM-A-GAP 580 is available in various thicknesses and finished in standard sheets of 9"x9" or 18"x18". Custom size configurations and die cut parts are available as individual parts or on sheets. To receive a quote on a custom size part, choose your thickness and carrier options, and then select “custom” size.


Be sure to write in the comments section, upon check out of your quote request, which custom size dimensions you need. Our team will then reach out for your specific drawing to complete your quote request.


Features and Benefits:
• Ultra low deflection force requirements
• High thermal conductivity
• High tack surface reduces contact resistance
• UL 94 V-0 flammability rated
• RoHS compliant


Available Carriers:
• G – woven glass (no PSA) - this carrier option provides reinforcement and a clean break / low tack interface surface, allowing for re-use of the pad if necessary or for prototyping. 
• A – aluminum foil (with PSA) - this carrier’s primary function is to allow a pressure sensitive adhesive on the gap pad.
• No carrier (no letter distinction) -  the no carrier or “un-reinforced” option allows the gap pad to have high tack surfaces on both sides, allowing for the pad to be highly conformable, but it does make cutting and handling of the product more difficult.


Typical Applications:
• Telecommunications equipment
• Consumer electronics
• Automotive electronics (ECUs)
• LEDs & lighting
• Power conversion
• Desktop computers, laptops, servers
• Handheld devices
• Memory modules
• Vibration dampening

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