AUIRF3305

Single FETs, MOSFETs Overview

The AUIRF3305 is an automotive-grade, single N-channel HEXFET power MOSFET manufactured by Infineon Technologies. It utilizes TO-220AB through-hole packaging and operates with a maximum drain-source voltage of 55V and a gate-source voltage limit of 20V. The device supports a continuous drain current of up to 99A at a case temperature of 100°C, with a peak capability of 140A at 25°C. Key electrical characteristics include a maximum on-state resistance of 8mΩ at 10V gate drive, a total gate charge of 100nC, and a gate-drain charge of 45nC. It features a junction-to-case thermal resistance of 0.45 K/W and a maximum operating junction temperature of 175°C.

Single FETs, MOSFETs Feature Summary

• Automotive qualification ensuring high reliability for demanding vehicle environments
• HEXFET technology providing low on-state resistance for efficient power conduction
• Robust thermal performance supporting high current handling in through-hole packages

Single FETs, MOSFETs Applications

• Automotive power distribution systems
• DC-DC converter circuits in vehicles
• Motor control applications requiring high current switching

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix codes against official Infineon documentation to ensure correct package variant and tape-and-reel specifications. Confirm that the component meets the required AEC-Q101 standards for your specific automotive application tier. Cross-reference the ordering part number with the latest datasheet revision to avoid discrepancies in pinout or thermal ratings.

Single FETs, MOSFETs Selection Notes

Select this component when designing automotive circuits requiring a 55V N-channel switch with high current capacity. The TO-220AB package is suitable for applications where through-hole mounting is preferred or required for mechanical stability. Ensure the gate drive circuit can supply sufficient charge to manage the 100nC gate charge efficiently while maintaining low switching losses.

Single FETs, MOSFETs Part Context

This part belongs to Infineon's automotive-grade HEXFET portfolio, designed specifically for robust performance in vehicle electronics. It complements other low-voltage power switches in the lineup, offering a balance of low RDS(on) and high current handling within a standard through-hole form factor suitable for industrial and automotive thermal management strategies.

Single FETs, MOSFETs Replacement Considerations

Check for direct cross-references such as IRF3305 for non-automotive equivalents. Verify pin compatibility and thermal resistance values before substituting with other 55V N-channel MOSFETs in the TO-220 package.