Thermal Interface Selection Guide - Bergquist Company - #13

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Text version of the page
Gap Pad® HC1000
"Gel-Like" Modulus Gap Filling Material
Features and Benefits
• Thermal conductivity: 1.0 W/m-K
• Highly conformable, low hardness
• "Gel-like" modulus
• Fiberglass reinforced for puncture, shear and tear resistance
TYPICAL PROPERTIES OF GAP PAD HC1000
PROPERTY
IMPERIAL VALUE
METRIC VALUE
TEST METHOD
Color
Gray
Gray
Visual
Reinforcement Carrier
Fiberglass
Fiberglass
Thickness (inch) / (mm)
0.010 to 0.020
0.254 to 0.508
ASTM D374
Inherent Surface Tack (1- or 2-sided)
2
2
Density (g/cc)
1.6
1.6
ASTM D792
Heat Capacity (J/g-K)
1.0
1.0
ASTM EI269
Hardness, Bulk Rubber (Shore 00) (1)
25
25
ASTM D2240
Young's Modulus (psi) / (kPa) (2)
40
275
ASTM D575
Continuous Use Temp (°F) / (°C)
-76 to 392
-60 to 200
ELECTRICAL
Dielectric Breakdown Voltage (Vac)
>5000
>5000
ASTM DI49
Dielectric Constant (1000 Hz)
5.5
5.5
ASTM DI50
Volume Resistivity (Ohm-meter)
I011
I011
ASTM D257
Flame Rating
V-O
V-O
U.L. 94
THERMAL
Thermal Conductivity (W/m-K)
1.0
I.0
ASTM D5470
1) Thirty second delay value Shore 00 hardness scale.
2) Young's Modulus.calculated using 0.01 in/min.step rate of strain with a sample size of 0.79 inch2 and 0.020 inches thick.For more information on Gap Pad modulus.refer to Bergquist Application Note #116.
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Gap Pad HC 1000 is an extremely conformable, low-modulus polymer that acts as a thermal interface and electrical insulator between electronic components and heat sinks.The "gel-like" modulus allows this material to fill air gaps to enhance the thermal performance of electronic systems. Gap Pad HCI000 is offered with removable protective liners on both sides of the material.
Note: Resultant thickness is defined as the final gap thickness of the application.
Typical Applications Include:
• Computer and peripherals
• Telecommunications
• Heat interfaces to frames, chassis, or other heat spreading devices
• RDRAM™ memory modules / chip scale packages
• CDROM / DVD cooling
• Areas where irregular surfaces need to make a thermal interface to a heat sink
• DDR SDRAM memory modules
• FBDIMMmodules
Configurations Available:
• Sheet form, die-cut parts, and roll form (converted or unconverted)
Thickness vs. Thermal Resistance Gap Pad HCI00
i
Building a Part Number
Standard Options
M example
0.25 0.30 0.35 0.40 0.45 0.50 Thermal Resistance (C-in2/W)
0.55
HCI000
NA
NA = Selected standard option. If not selecting a standard option, insert company name, drawing number, and revision level.
0816 = Standard sheet size 8" x 16", or 00 = custom configuration
02 = Natural tack, both sides
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Standard thicknesses available: 0.010", 0.015", 0.020"
- HCI000 = High Compliance 1000 Material
Note: To build a part number, visit our website at www.bergquistcompany.com. Gap Pad®: U.S. Patent 5,679,457 and others.
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pageCatalog pdf di En 2012-02-07-16