LiPOLY DTT65-s is a soft thermal- ly conductive gel pad specifically designed for networking commu- nication applications.DTT65-s is designed to focus on Dk and Df to reduce interference in RF mod- ules. DTT65-s has a thermal conductivity of 5.0 W/m*K. This product can be supplied as stan- dard sheets, custom die-cuts or custom molded parts making it suitable for a wide range of appli- cations.
FEATURE
- Thermal conductivity: 5.0 W/m*K
- Hardness: Shore OO/55
- Low dielectric constant
- For high frequency applications
- Available in a range of thicknesses
APPLICATION
- Communications satellite
- Satellite positioning devices
- IoT devices
- Telecommunication hardware
- 5G base station & infrastructure
- EV electric vehicle
|
PROPERTY |
DTT65-s |
TEST METHOD |
UNIT |
|
Color |
Red |
Visual |
– |
|
Surface tack 2-side/1-side |
2 |
– |
– |
|
Thickness |
Customized |
ASTM D374 |
mm |
|
Density |
2.1 |
ASTM D792 |
g/cm³ |
|
Hardness |
55 |
ASTM D2240 |
Shore OO |
|
Water absorption |
0.005 |
ASTM D570 |
% |
|
Application temperature |
-60~180 |
– |
°C |
|
ROHS & REACH |
Compliant |
– |
– |
|
COMPRESSION@1.0mm |
|||
|
Deflection @10 psi |
8 |
ASTM D5470 modify |
% |
|
Deflection @20 psi |
11 |
ASTM D5470 modify |
% |
|
Deflection @30 psi |
16 |
ASTM D5470 modify |
% |
|
Deflection @40 psi |
21 |
ASTM D5470 modify |
% |
|
Deflection @50 psi |
26 |
ASTM D5470 modify |
% |
|
ELECTRICAL |
|||
|
Dielectric breakdown |
10 |
ASTM D149 |
KV/mm |
|
Surface resistivity |
>10¹² |
ASTM D257 |
Ohm |
|
Volume resistivity |
>10¹³ |
ASTM D257 |
Ohm-m |
|
Dielectric constant@2GHz Dk |
4.131 |
ASTM D150 |
– |
|
Dielectric constant@6GHz Dk |
4.058 |
ASTM D150 |
– |
|
Dielectric constant@10GHz Dk |
4.013 |
ASTM D150 |
– |
|
Dielectric loss@2GHz Df |
0.00509 |
ASTM D150 |
– |
|
Dielectric loss@6GHz Df |
0.00658 |
ASTM D150 |
– |
|
Dielectric loss@10GHz Df |
0.00780 |
ASTM D150 |
– |
|
THERMAL |
|||
|
Thermal conductivity |
5.0 |
ASTM D5470 |
W/m*K |
|
Thermal impedance@10 psi |
0.350 |
ASTM D5470 |
°C-in²/ W |
|
Thermal impedance@20 psi |
0.342 |
ASTM D5470 |
°C-in²/ W |
|
Thermal impedance@30 psi |
0.323 |
ASTM D5470 |
°C-in²/ W |
|
Thermal impedance@40 psi |
0.302 |
ASTM D5470 |
°C-in²/ W |
|
Thermal impedance@50 psi |
0.281 |
ASTM D5470 |
°C-in²/ W |
