BG405792

## **Ga Pad® VO Soft p** 

Highly Conformable,Thermally Conductive Material for Filling Air Gaps 

## **Features and Benefits** 

- Thermal conductivity: 0.8 W/m-K 

- Conformable, low hardness 

- Enhanced puncture, shear and tear resistance 

- Electrically isolating 

Gap Pad VO Soft is recommended for applications that require a minimum amount of pressure on components. Gap Pad VO Soft is a highly conformable, low-modulus, filled-silicone polymer on a rubber-coated fiberglass carrier.The material can be used as an interface where one side is in contact with a leaded device. 

_Note:  Resultant thickness is defined as the final gap thickness of the application._ 

Thickness vs. Thermal Resistance Gap Pad VO Soft 

|**TYPICAL PROPERTIES OF GAP PAD VO SOFT**|**TYPICAL PROPERTIES OF GAP PAD VO SOFT**|**TYPICAL PROPERTIES OF GAP PAD VO SOFT**|**TYPICAL PROPERTIES OF GAP PAD VO SOFT**|
|---|---|---|---|
|PROPERTY|IMPERIAL VALUE|METRIC VALUE|TEST METHOD|
|Color<br>Reinforcement Carrier|Mauve/Pink<br>Sil-Pad|Mauve/Pink<br>Sil-Pad|Visual<br>—|
|Thickness (inch) / (mm)|0.020 to 0.200|0.508 to 5.080|ASTM D374|
|Inherent Surface Tack (1- or 2-sided)|1|1|—|
|Density (g/cc)|1.6|1.6|ASTM D792|
|Heat Capacity (J/g-K)<br>Hardness, Bulk Rubber (Shore 00) (1)|1.0<br>25|1.0<br>25|ASTM E1269<br>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)|>6000|>6000|ASTM D149|
|Dielectric Constant (1000 Hz)|5.5|5.5|ASTM D150|
|Volume Resistivity (Ohm-meter)|1011|1011|ASTM D257|
|Flame Rating|V-O|V-O|U.L. 94|
|THERMAL||||
|Thermal Conductivity (W/m-K)|0.8|0.8|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 inch[2] . For more information on Gap Pad modulus, refer to Bergquist Application Note #116. 

## **Typical Applications Include:** 

- Telecommunications 

- Computer and peripherals 

- Power conversion 

- Between heat-generating semiconductors or magnetic components and a heat sink 

- Area where heat needs to be transferred to a frame, chassis, or other type of heat spreader 

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200180 [f | J JT JT fT Tt J<br>160140120 ||a || a {|{|ce[|[| [|| [[ | eTap | Configurations Available: • Sheet form and die-cut parts<br>100<br>80<br>60<br>Building a Part Number Standard Options<br>40<br>20 =aas GPVOS – 0.060 – eH AC – 00 – ACME10256 Rev. a  example<br>1 2 3 4 5 6 7 8 9 10<br>NA = Selected standard option. If not selecting a standard<br>Thermal Resistance (C-in [2] /W) option, insert company name, drawing number, and<br>revision level.<br>0816 = Standard sheet size 8" x 16", or<br>00 = custom configuration<br>AC = Adhesive on Sil-Pad [®]  side, natural tack on one side<br>00 = No pressure sensitive adhesive, natural tack on one side<br>Standard thicknesses available:  0.020", 0.040", 0.060",<br>LL= 0.080", 0.100", 0.125", 0.160", 0.200"<br>GPVOS = Gap Pad VO Soft Material<br>Note:  To build a part number, visit our website at www.bergquistcompany.com.<br>Resultant Thickness (mils)<br>Section A Section B Section C Section D Section E<br>**----- End of picture text -----**<br>


Gap Pad[®] : U.S. Patent 5,679,457 and others 

## **www.bergquistcompany.com** 

The Bergquist Company - The Bergquist Company - The Bergquist Company - Asia North American Headquarters European Headquarters Room 15, 8/F Wah Wai Industrial Centre 18930 West 78th Street Bramenberg 9a, 3755 BT Eemnes No. 38-40, Au Pui Wan Street Chanhassen, MN 55317 Netherlands Fotan, Shatin, N.T. Hong Kong Phone: 800-347-4572 Phone: 31-35-5380684 Ph: 852.2690.9296 Fax: 952-835-0430 Fax: 31-35-5380295 Fax: 852.2690.2344 

All statements, technical information and recommendations herein are based on tests we believe to be reliable, and THE FOLLOWING IS MADE IN LIEU OF ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MARKETABILITY AND FITNESS FOR PURPOSE. Sellers’ and manufacturers’ only obligation shall be to replace such quantity of the product proved to be defective. Before using, user shall determine the suitability of the product for its intended use, and the user assumes all risks and liability whatsoever in connection therewith. NEITHER SELLER NOR MANUFACTURER SHALL BE LIABLE EITHER IN TORT OR IN CONTRACT FOR ANY LOSS OR DAMAGE, DIRECT, INCIDENTAL, OR CONSEQUENTIAL, INCLUDING LOSS OF PROFITS OR REVENUE ARISING OUT OF THE USE OR THE INABILITY TO USE A PRODUCT. No statement, purchase order or recommendations by seller or purchaser not contained herein shall have any force or effect unless in an agreement signed by the officers of the seller and manufacturer. PDS_GP_VOS_12.08