STF20N90K5

Single FETs, MOSFETs Overview

STF20N90K5 is an N-channel power MOSFET from STMicroelectronics' MDmesh K5 series. It features a maximum drain-source voltage of 900 V and a continuous drain current of 20 A at case temperature. The device exhibits a typical on-resistance of 0.24 Ohms, with a maximum rating of 250 mOhms at 10 A and 10 V gate drive. Key electrical parameters include a maximum gate charge of 40 nC at 10 V, a threshold voltage of 5 V max at 100 µA, and a maximum power dissipation of 40 W. It operates within a junction temperature range of -55°C to 150°C and utilizes a TO-220FP package.

Single FETs, MOSFETs Feature Summary

• MDmesh K5 technology provides significantly reduced on-resistance and ultra-low gate charge for high efficiency.
• Features very low figure of merit (FoM) to support superior power density applications.
• Includes integrated Zener protection for enhanced gate reliability.

Single FETs, MOSFETs Applications

• High-efficiency power conversion systems
• Applications requiring high power density
• Switching circuits demanding low gate charge

Single FETs, MOSFETs Procurement Notes

Verify the specific package variant, as datasheets may list TO-220FP or TO-220-3. Confirm active status through official channels, as availability can change. Ensure thermal management aligns with the 40 W dissipation rating. Check for automotive qualification if required, though standard versions may differ from AEC-Q101 qualified parts like the STW22N95K5.

Single FETs, MOSFETs Selection Notes

Select this component for designs requiring 900 V blocking capability with moderate current handling. The MDmesh K5 technology offers improved switching performance compared to older generations. Consider the TO-220FP package for through-hole mounting requirements. Evaluate thermal resistance against the 40 W power dissipation limit under expected operating conditions.

Single FETs, MOSFETs Part Context

The STF20N90K5 belongs to the MDmesh K5 family, which uses an innovative proprietary vertical structure. This technology aims to reduce on-resistance and gate charge simultaneously. The series includes various packages and ratings, such as the STP20N90K5 and STW8N90K5, catering to different power and form factor needs in high-voltage applications.

Single FETs, MOSFETs Replacement Considerations

STP20N90K5 is a similar N-channel 900 V MOSFET in the MDmesh K5 series with comparable specifications. Verify package compatibility, as STF20N90K5 is often listed as TO-220FP while others may vary. Ensure gate charge and on-resistance values meet the specific circuit requirements before substitution.