FDD8444

$2.19

Description：MOSFET N-CH 40V 145A TO252AA
Series：PowerTrench®
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:6b90d23fe3aa Category: Single FETs, MOSFETs Brand: onsemi

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Product introduction

FDD8444 is listed in the Single FETs, MOSFETs range at ChipApex. The manufacturer field lists onsemi. Its product description is MOSFET N-CH 40V 145A TO252AA. Review the specifications below when checking this part for your BOM.

Single FETs, MOSFETs specifications for FDD8444

Description：MOSFET N-CH 40V 145A TO252AA
Series：PowerTrench®
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)
FET Type：N-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：40 V
Current - Continuous Drain (Id) @ 25°C：145A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：10V
Rds On (Max) @ Id, Vgs：5.2mOhm @ 50A, 10V
Vgs(th) (Max) @ Id：4V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：116 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：6195 pF @ 25 V
FET Feature：-
Power Dissipation (Max)：153W (Tc)
Operating Temperature：-55°C ~ 175°C (TJ)
Grade：-
Qualification：-
Mounting Type：Surface Mount
Supplier Device Package：TO-252AA
Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63

Single FETs, MOSFETs datasheet and documents for FDD8444

FDD8444

Single FETs, MOSFETs Overview

The FDD8444 is a single N-channel PowerTrench MOSFET manufactured by onsemi. It features a 40V drain-source breakdown voltage and a continuous drain current of 50A at case temperature. The device exhibits a maximum on-resistance of 5.2 milliohms at 10V gate drive. It operates within a junction temperature range of -55°C to +175°C and supports power dissipation up to 153W. The component is qualified to AEC-Q101 standards for automotive applications.

Single FETs, MOSFETs Feature Summary

Utilizes advanced Trench6 technology to achieve low on-resistance and fast switching performance.
Includes an integrated body diode with low reverse recovery charge for efficient synchronous rectification.
Designed with enhanced single and repetitive pulse unclamped inductive switching capability.

Single FETs, MOSFETs Applications

Automotive power distribution systems
Synchronous rectification in DC-DC converters
Motor control circuits

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix (e.g., F085) against official datasheets, as packaging variations exist. Confirm current production status, as some variants may be obsolete. Ensure compatibility with DPAK-3 packages and validate thermal management requirements for high-current operation.

Single FETs, MOSFETs Selection Notes

Select this component for applications requiring low conduction losses in 40V environments. The AEC-Q101 qualification makes it suitable for automotive use. Compare total gate charge and Miller charge parameters against alternative devices to optimize driver efficiency and switching speed.

Single FETs, MOSFETs Part Context

This part belongs to the PowerTrench family of N-channel MOSFETs from onsemi. It represents a legacy design originally developed by Fairchild Semiconductor before their acquisition by onsemi. The device is commonly found in older automotive and industrial power supply designs.