APT12057JFLL

Single FETs, MOSFETs Overview

The APT12057JFLL is an N-Channel MOSFET manufactured by Microchip Technology. It features a Drain-Source Voltage (Vdss) of 1200 V and a continuous Drain Current (Id) of 19 A at case temperature. The device has a maximum Drain-Source On-Resistance (Rds(on)) of 570 milliohms. It utilizes the ISOTOP package, also identified as SOT-227, with four leads. The component supports a pulsed drain current (Idm) of 76 A and dissipates up to 520 W. The operating junction temperature range extends from -55°C to +150°C.

Single FETs, MOSFETs Feature Summary

• High-voltage capability with 1200 V breakdown voltage for robust power switching applications.
• ISOTOP (SOT-227) chassis mount package design facilitating efficient thermal management via direct heatsink contact.
• Low on-resistance characteristic minimizing conduction losses in high-current circuits.

Single FETs, MOSFETs Applications

• Industrial motor drives
• Uninterruptible power supplies (UPS)
• High-frequency inverters

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix 'JFLL' against the official Microchip datasheet to confirm pinout and electrical tolerances. Ensure the procurement channel provides genuine components with traceable documentation. Confirm that the ISOTOP mounting hardware requirements align with your system's mechanical constraints before finalizing orders.

Single FETs, MOSFETs Selection Notes

Select this component when a 1200 V rating is required for high-power isolation or switching. The 19 A continuous current rating suits moderate power levels where chassis mounting is feasible. Evaluate the 570 mOhm Rds(on) against thermal dissipation capabilities to ensure junction temperatures remain within the specified -55°C to +150°C range under expected load conditions.

Single FETs, MOSFETs Part Context

This part belongs to Microchip's single FET and MOSFET portfolio, specifically leveraging the ISOTOP technology. This packaging style integrates the die directly onto a metal baseplate, offering superior thermal performance compared to standard plastic packages. It is designed for applications requiring reliable high-voltage switching with efficient heat removal through direct chassis attachment.

Single FETs, MOSFETs Replacement Considerations

Consult official Microchip substitution guides for compatible alternatives. Verify that any substitute maintains the 1200 V Vdss, 19 A Id, and ISOTOP/SOT-227 form factor. Cross-reference pinouts and thermal resistance values to ensure mechanical and electrical compatibility without redesigning the heatsink interface.

Single FETs, MOSFETs FAQ

What is the maximum pulsed drain current for the APT12057JFLL?

The maximum pulsed drain current (Idm) is 76 A.

Does the APT12057JFLL support negative junction temperatures?

Yes, the specified operating junction temperature range includes -55°C.