FDN359BN

Single FETs, MOSFETs Overview

The onsemi FDN359BN is an N-channel enhancement mode MOSFET from the PowerTrench series, housed in a surface-mount SOT-23 package. It features a maximum drain-source voltage of 30 V and a continuous drain current of 2.7 A. The device exhibits a maximum on-resistance of 46 mΩ at 10 V gate drive and a typical gate charge of 5 nC. Operating within a temperature range of -55°C to 150°C, it supports a maximum power dissipation of 500 mW.

Single FETs, MOSFETs Feature Summary

• N-channel logic level construction for efficient switching
• Low on-resistance design for reduced conduction losses
• Enhanced thermal performance with high junction temperature capability

Single FETs, MOSFETs Applications

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

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix 'BN' against the manufacturer's official datasheet to confirm the exact electrical parameters, particularly the Rds(on) rating, as variations exist within the family. Ensure the ordering information matches the required package type and compliance standards before finalizing procurement.

Single FETs, MOSFETs Selection Notes

Select this component when a compact N-channel switch with moderate current handling is required. The low gate charge facilitates faster switching speeds, while the small SOT-23 footprint suits space-constrained designs. Confirm that the 30 V voltage rating aligns with the system's operational requirements.

Single FETs, MOSFETs Part Context

This part belongs to the PowerTrench series, which focuses on low on-resistance and fast switching capabilities. The FDN359BN variant specifically targets applications requiring reliable performance in small form factors, distinguishing itself through optimized thermal characteristics compared to standard general-purpose MOSFETs.

Single FETs, MOSFETs Replacement Considerations

Check for direct substitutes such as the FDN359AN, noting differences in on-resistance specifications. Verify pinout compatibility and ensure alternative parts meet the same voltage and current ratings.