64-9146

Single FETs, MOSFETs Overview

The Infineon Technologies 64-9146 is an N-channel MOSFET from the IRF6691 family, utilizing DIRECTFET™ MT technology. It features a 20 V drain-to-source voltage rating and supports a continuous drain current of 32 A at 25°C (Ta) and 180 A at case temperature (Tc). The device operates with a maximum gate-source voltage of ±12 V. Thermal dissipation capabilities are rated at 2.8 W at ambient temperature and 89 W at case temperature. This surface-mount component is designed for low-voltage power conversion applications.

Single FETs, MOSFETs Feature Summary

• Utilizes DIRECTFET™ MT technology for enhanced thermal performance
• N-channel MOSFET architecture optimized for low-voltage switching
• Surface mount package design for automated assembly

Single FETs, MOSFETs Applications

• Low-voltage power conversion systems
• Load switching circuits
• DC-DC converter stages

Single FETs, MOSFETs Procurement Notes

Verify the manufacturer designation as International Rectifier or Infineon Technologies on official documentation. Confirm RoHS compliance status and active lifecycle status through authorized distributors. Ensure the part number matches the specific DIRECTFET™ MT variant to avoid compatibility issues in high-current thermal management designs.

Single FETs, MOSFETs Selection Notes

Select this component when designing for 20 V rail applications requiring high pulsed current handling up to 180 A at the case level. Consider the DIRECTFET™ MT package for superior heat dissipation compared to standard surface-mount packages. Evaluate thermal resistance requirements against the 89 W case dissipation rating for efficient system cooling strategies.

Single FETs, MOSFETs Part Context

This part belongs to the IRF6691 family of single FETs and MOSFETs. It represents Infineon's integration of International Rectifier's legacy power semiconductor portfolio. The DIRECTFET™ series focuses on reducing thermal impedance through direct die attachment methods, distinguishing it from traditional leaded or standard surface-mount MOSFETs in similar voltage classes.

Single FETs, MOSFETs Replacement Considerations

Consult official cross-reference lists for equivalent DIRECTFET™ MT devices within the same voltage and current ratings. Verify pinout compatibility and thermal pad specifications before substituting with other manufacturers' N-channel MOSFETs.