GPVOU-0.080-00-0404

## **Ga Pad®VO Ultimate p** 

Ultra Conformability, Robust, Improved Thermal Conductivity, Gap Filling Material 

## **Features and Benefits** 

- Thermal conductivity: 1.3 W/m-K 

- Ultra conformability 

- Gel-like modulus 

- Excellent rebound 

- Decreased strain 

- Remarkable handling 

- Electrically isolating 

Gap Pad[®] VO Ultimate is a robust, highly compliant product that is ideal for both small and large gap designs.The fiberglass carrier on one side of the material allows ease of rework, excellent handling characteristics and puncture resistance.Additionally the fiberglass carrier has a slight inherent tack, minimizing any shifting during assembly. 

The conformable and elastic nature of Gap Pad[®] VO Ultimate allows excellent interfacing and wetout characteristics,even to surfaces with a high degree of roughness or uneven topography. 

The construction of Gap Pad[®] VO Ultimate; one side has high inherent tack, while the other side has minimal tack.This combination is useful for manual and automated processes. _Note:  Resultant thickness is defined as the final gap thickness of the application._ 

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Thickness vs. Thermal Resistance<br>Gap Pad VO Ultimate<br>140<br>120  a ee es ee ee<br>100  | | { | |rF<br>80  p=<br>60<br>40  || gee a<br>20 0  ee a ee ee<br> 0.61 1.21 1.82 2.42 3.03 3.79<br>Thermal Resistance (C-in [2] /W)<br>Resultant Thickness (mils)<br>**----- End of picture text -----**<br>


## **TYPICAL PROPERTIES OF GAP PAD VO ULTIMATE** 

|PROPERTY<br>IMPERIAL VALUE|PROPERTY<br>IMPERIAL VALUE|METRIC VALUE|METRIC VALUE|TEST METHOD|
|---|---|---|---|---|
|Color<br>Reinforcement Carrier|Gray/Black<br>Fiberglass|Gray/Black<br>Fiberglass||Visual<br>—|
|Thickness (inch) / (mm)<br>0.020 to 0.125||0.508 to 3.175||ASTM D374|
|Inherent Surface Tack (1 side)|1||1|—|
|Density (Bulk Rubber) (g/cc)|1.8||1.8|ASTM D792|
|Heat Capacity (J/g-K)<br>Hardness (Bulk Rubber) (Shore 00) (1)|1.0<br>30||1.0<br>30|ASTM E1269<br>ASTM D2240|
|Young's Modulus (psi) / (kPa) (2)|13||90|ASTM D575|
|Continuous Use Temp (°F) / (°C)|-76 to 392|-60 to 200||—|
|ELECTRICAL<br>Dielectric Breakdown Voltage (Vac)|6000||6000|ASTM D149|
|Dielectric Constant (1 Mhz)|5.0||5.0|ASTM D150|
|Volume Resistivity (Ohm-meter)<br>Flame Rating|109<br>V-0||109<br>V-0|ASTM D257<br>U.L. 94|
|THERMAL|||||
|Thermal Conductivity (W/m-K)|1.3||1.3|ASTM D5470|
|THERMAL PERFORMANCE vs. STRAIN|||||
||Deflection(% strain)||10|20<br>30|
|Thermal Impedance (°C-in2/W) 0.040" (3)<br>Thermal Impedance (°C-cm2/W) 1.016mm (3)|||1.60<br>10.3|1.55<br>1.46<br>10.0<br>9.4|



- 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] . 3) The ASTM D5470 test fixture was used. The recorded value includes interfacial thermal resistance. These values are provided for reference only. Actual application performance is directly related to the surface roughness, flatness and pressure applied. 

## **Typical Applications:** 

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• Telecommunications<br>**----- End of picture text -----**<br>


- Various IC packages 

   - Power conversion 

- Thermally enhanced BGA packages 

   - Automotive 

- Between any heat-generating semiconductor and a heat sink 

   - LED lighting packages 

- Computers and peripherals 

## **Configurations Available:** 

- Sheet form and die-cut parts 

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GPVOU 0.020  01 0816<br>**----- End of picture text -----**<br>


0.020", 0.040", 0.060" 

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

## **www.bergquistcompany.com** 

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_Ultimate_0410 

The Bergquist Company - The Bergquist Company - North American Headquarters European Headquarters 18930 West 78th Street Netherlands Chanhassen, MN 55317 Phone: 31-35-5380684 Phone: 800-347-4572 Fax: 31-35-5380295 Fax: 952-835-0430 

The Bergquist Company - Asia Headquarters Hong Kong Phone: 852-2690-9296 Fax: 852-2690-2344