onsemi Expands EliteSiC Portfolio with New T2PAK Top-Cool MOSFETs for Next-Gen Power Systems
onsemi has introduced its latest EliteSiC silicon carbide MOSFETs in the widely adopted T2PAK top-cool package, marking a significant advancement in high-voltage power component engineering. Designed for demanding automotive and industrial applications, the new devices deliver improved thermal performance, enhanced reliability and superior design flexibility, particularly for EV systems, solar infrastructure, and industrial power electronics.
The new lineup includes 650V and 950V EliteSiC MOSFETs, which combine onsemi’s proven SiC technology with top-cool packaging that channels heat directly into the application’s cooling assembly. This approach eliminates conventional PCB thermal limitations and allows engineers to develop compact, cooler and more efficient systems.
Auggie Djekic, VP and Head of onsemi’s SiC Division, emphasized that the T2PAK platform addresses one of today’s biggest engineering challenges: thermal management without sacrifice to switching performance or device longevity. The result is a package that supports the next generation of high-power designs across multiple industries.
Why the T2PAK Top-Cool Package Matters?
As power density requirements increase across EV chargers, inverters and industrial drives, traditional packaging often forces trade-offs. The T2PAK solution enables engineers to maintain high switching speeds while significantly improving heat dissipation.
Core Technical Benefits
- Direct thermal coupling to the heatsink for superior heat transfer
- Lower junction temperatures, reducing component stress over time
- Higher switching efficiency due to minimized stray inductance
- Available Rds(on) range: 12mΩ to 60mΩ for flexible design optimization
- Combines features of TO-247 and D2PAK without the common compromises
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Industry Impact & Applications
The new EliteSiC MOSFET lineup is designed to support high-voltage, high-power applications where consistent efficiency and thermal stability are critical.
Ideal Use Cases
- Electric vehicle traction inverters
- High-capacity EV fast chargers
- Solar energy inverters
- Energy storage systems
Industrial power supplies and heavy machinery electronics
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