SI7491DP-T1-E3

Single FETs, MOSFETs Overview

The SI7491DP-T1-E3 is a single N-channel MOSFET manufactured by Vishay Siliconix, utilizing TrenchFET technology. It features a drain-source voltage (Vds) of 30 V and a continuous drain current (Id) of 11 A at ambient temperature. The device offers a maximum on-resistance (Rds(on)) of 13 mΩ at Vgs = 10 V. It operates within a junction temperature range of -55°C to +150°C and has a power dissipation rating of 1.8 W at ambient temperature. The component is housed in a PowerPAK SO-8 surface-mount package.

Single FETs, MOSFETs Feature Summary

• Utilizes TrenchFET technology for optimized performance
• Designed for surface mount applications via PowerPAK SO-8 package
• Enhancement mode operation with low gate charge characteristics

Single FETs, MOSFETs Applications

• Power switching circuits
• Load management systems
• DC-DC converter output stages

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix 'T1-E3' against the manufacturer's official datasheet to confirm tape-and-reel packaging and lead-free compliance status. Ensure the ordering part number matches the exact electrical specifications required for your design, as minor suffix variations may indicate different packaging or environmental certifications. Cross-reference the manufacturer's lifecycle status to confirm availability before finalizing procurement plans.

Single FETs, MOSFETs Selection Notes

Select this component when a 30 V N-channel MOSFET with 11 A continuous current capability is required in a compact surface-mount form factor. The low Rds(on) value makes it suitable for efficient power switching where conduction losses must be minimized. Consider the thermal constraints of the PowerPAK SO-8 package and ensure adequate PCB copper area for heat dissipation to maintain reliability within the specified operating temperature range.

Single FETs, MOSFETs Part Context

This part belongs to the Vishay Siliconix family of TrenchFET power MOSFETs, which are engineered for high efficiency and fast switching speeds. The PowerPAK SO-8 package provides a small footprint while offering improved thermal performance compared to traditional SO-8 packages. This series is commonly used in portable electronics and battery-powered devices due to its balance of current handling and size.

Single FETs, MOSFETs Replacement Considerations

Consult the official Vishay Siliconix replacement guide for verified cross-reference part numbers. Ensure any substitute maintains compatible Vds, Id, and Rds(on) specifications. Verify that the alternative device fits the same PowerPAK SO-8 footprint and meets the same thermal and electrical requirements.