STFI5N80K5

Single FETs, MOSFETs Overview

The STFI5N80K5 is an N-channel Power MOSFET from STMicroelectronics, utilizing MDmesh K5 technology. It features a very high voltage rating of 800 V and a continuous drain current of 4 A at case temperature. The device is housed in a TO-220FP-3 (I2PAKFP) through-hole package. Key electrical characteristics include a typical on-resistance of 1.45 ohms and a gate-source voltage range of -30 V to +30 V. It is designed for efficient power switching applications requiring robust performance in high-voltage environments.

Single FETs, MOSFETs Feature Summary

• MDmesh K5 technology based on innovative proprietary vertical structure
• Zener-protected gate for enhanced reliability
• Very high voltage N-channel configuration

Single FETs, MOSFETs Applications

• High-voltage power switching circuits
• Industrial motor control systems
• Power supply designs requiring robust MOSFETs

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix and package variant when ordering, as distribution channels may list similar part numbers with different thermal or electrical tolerances. Confirm availability status directly with authorized distributors, as lifecycle changes such as obsolescence notices may affect long-term sourcing. Ensure the procurement documentation matches the exact STMicroelectronics part number to avoid integration errors in high-voltage designs.

Single FETs, MOSFETs Selection Notes

Select this component for applications demanding high breakdown voltage and moderate current handling in a through-hole format. Compare its on-resistance and thermal dissipation capabilities against alternative MDmesh series devices to ensure optimal efficiency for the specific load requirements. Verify that the package thermal resistance meets the system's heat management constraints.

Single FETs, MOSFETs Part Context

This part belongs to the MDmesh K5 family of N-channel Power MOSFETs from STMicroelectronics. The series is characterized by advanced vertical structure technology aimed at reducing on-resistance and improving switching performance. Similar parts in the lineup include STF2N80K5 and STL5N80K5, which share the same core technology but differ in package type and current ratings.

Single FETs, MOSFETs Replacement Considerations

Direct substitutes within the MDmesh K5 family include STF5N80K5 and STL5N80K5, provided pin compatibility and thermal specifications align with the design. Verify that any replacement maintains the 800 V rating and suitable current handling for the specific application context.