GTP-SP170 REV04 Thermal Insulator Cap
Description
GTP-SP170 REV04 is a highly mechanically reinforced / thermally conductive type silicone insulator cap, which is designed for high heat-generating electronic devices with strong mechanical and insulation demands, especially high power density power supplies and MOSFETs etc.. With its specially customized formula with metal oxide fillers and the reinforced carrier of fiberglass, it can be with standing high pressure and torque force which is applicable for sophisticated automatic screwing assembly and it can be optional with additional adhesives for pre laminating with cooling modules in some cases.
Features & Benefits
- Good thermal conductivity: 0.9W/m.K
- High insulation compatibility
- Endurable for wear and abrasion
- Able to withstand high closure force
- Good reworkability
- Ultra low VOC and outgassing concerns
- Cost-saving solutions
Typical Applications
- Laser equipment
- High power density LED module
- Power supplies, UPS, MOSFETs, IGBT modules
- Telecommunication equipment
- Military gadgets, radar, power inverters
- Signal transmitter, surveillance cameras
Remarks:
- Shelf-life can be 24 months since date of manufacture
- Supply form: optional with or adhesive
- Standard options: TO-220/TO-247/TO-3P

More Details
- Data Sheet
| Item | Unit | GTP-SP170 REV04 | Standards | |
| PHYSICAL | Color | – | Grey or Lt. Blue | Visual |
| Hardness | Shore A | 80-85 | ASTM D2240 | |
| Density | g/cc | 2.2 | ASTM D792 | |
| Elongation | % | <10 | ASTM D412 | |
| Tensile Strength | MPa | >5 | ASTM D412 | |
| Dielectric Strength | KV/mm | >8.5 | ASTM D149 | |
| Breakdown voltage | KV/mm | >10 | ASTM D149 | |
| Volume Resistivity | Ω-cm | 1.0×10¹⁵ | ASTM D257 | |
| TGA Weight Loss | wt% | <0.5 | 150°C Cx24hrs | |
| Operating Temp. | °C | -60 ~ 180 | – | |
| Flammability | – | V0 | UL94 | |
| THERMAL | Thermal Conductivity | W/m.K | 0.9 | ASTM D5470 |
| Thermal impedance @ 30psi | °C-in²/W | 0.552 | ASTM D5470 | |
| Thermal impedance @ 70psi | °C-in²/W | 0.425 | ASTM D5470 |



