HUF75309T3ST

Single FETs, MOSFETs Overview

The HUF75309T3ST is a 55V N-Channel UltraFET Power MOSFET manufactured by Fairchild Semiconductor. It features an on-resistance of 0.070 Ohms and supports a continuous drain current of 3A. The device operates within a junction temperature range of -55°C to 150°C. Key electrical parameters include a gate-to-source voltage limit of ±20V, a total gate charge of 23 nC, and a reverse recovery time of 41 ns. It utilizes the SOT-223 surface-mount package.

Single FETs, MOSFETs Feature Summary

• Utilizes UltraFET process technology for low on-resistance per silicon area
• Capable of withstanding high energy in avalanche mode
• Exhibits very low reverse recovery time and stored charge
• Includes temperature compensating PSPICE model

Single FETs, MOSFETs Applications

• Switching regulators
• Motor drivers
• Relay drivers
• Low-voltage bus switches
• Power management in portable products

Single FETs, MOSFETs Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for specific manufacturing lot traceability requirements. Ensure storage conditions adhere to moisture sensitivity level guidelines to prevent package damage prior to soldering.

Single FETs, MOSFETs Selection Notes

Select this component for applications requiring efficient power switching at low voltages. Evaluate thermal resistance based on the specific copper pad area used on the PCB layout. Consider the unclamped inductive switching capability when driving inductive loads such as motors or relays.

Single FETs, MOSFETs Part Context

This part belongs to the UltraFET series from Fairchild Semiconductor, designed for high-efficiency power management. It represents an evolution in MOSFET technology aimed at reducing conduction losses. The product line targets compact designs where space and thermal performance are critical constraints.

Single FETs, MOSFETs Replacement Considerations

Check datasheets for compatible parts offering similar 55V ratings and comparable on-resistance values. Verify pinout compatibility with the SOT-223 package before substitution. Ensure replacement devices meet the same thermal and electrical stress requirements.