IXFL55N50 Equivalent & Substitute Parts

Part Overview

The IXFL55N50 is an N-Channel MOSFET rated for 500V drain-to-source voltage with 55A continuous drain current at 25°C. The device is packaged in the ISOPLUS264™ (TO-264-3, TO-264AA) through-hole configuration and is manufactured by IXYS. This part is classified as obsolete, making identification of suitable substitute components necessary for ongoing design support and procurement continuity.

Substiute Parts

IXFL55N50

IXYSIn Stock: 999IXFL55N50 Datasheet

Current PartRFQ

IXFL132N50P3

IXYSIn Stock: 850IXFL132N50P3 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IXFL55N50 is determined by the following critical electrical and mechanical parameters:

Electrical Compatibility Criteria:

• Drain-to-Source Voltage (Vdss): Must equal or exceed 500V
• Continuous Drain Current (Id): Must meet or exceed 55A at 25°C
• FET Type: Must be N-Channel
• Technology: Must be MOSFET (Metal Oxide)

Mechanical Compatibility Criteria:

• Mounting Type: Must be Through Hole
• Package / Case: Must be TO-264-3, TO-264AA
• Supplier Device Package: Must be ISOPLUS264™

The IXFL132N50P3 satisfies all substitution criteria. It maintains identical voltage and package specifications while providing enhanced current capability (63A versus 55A) and active product status, ensuring long-term availability and design support.

Parameter Comparison

Engineering Selection Recommendations

The IXFL132N50P3 is the direct substitute for the obsolete IXFL55N50. Selection of this substitute is based on the following engineering factors:

Product Status: The IXFL55N50 is classified as obsolete, whereas the IXFL132N50P3 maintains active product status. Active status ensures continued manufacturing support, documented availability, and compliance with current regulatory requirements.

Regulatory Compliance: Both parts maintain REACH Unaffected status. The IXFL132N50P3 additionally carries ROHS3 Compliance certification, providing enhanced environmental and regulatory alignment with current manufacturing standards.

Electrical Performance: The IXFL132N50P3 provides superior continuous drain current capability (63A versus 55A) while maintaining identical 500V voltage rating. This enhanced current rating provides design margin and supports higher power dissipation applications within the same voltage class.

Package Compatibility: Both devices utilize identical ISOPLUS264™ through-hole packaging (TO-264-3, TO-264AA), ensuring direct mechanical and thermal interface compatibility with existing PCB layouts and thermal management solutions.

Frequently Asked Questions (FAQ)

Q: Can the IXFL132N50P3 directly replace the IXFL55N50 in existing designs?

A: Yes. Both devices share identical voltage ratings (500V Vdss), package configuration (ISOPLUS264™ TO-264-3, TO-264AA), and mounting type (through-hole). The IXFL132N50P3 provides higher continuous drain current (63A versus 55A), making it electrically compatible and functionally superior for the same application space.

Q: What is the primary reason for substitution?

A: The IXFL55N50 is classified as obsolete. The IXFL132N50P3 is an active product from the same manufacturer, ensuring ongoing availability, manufacturing support, and compliance with current regulatory standards.

Q: Are there any thermal or power dissipation differences?

A: The IXFL132N50P3 is rated for 520W maximum power dissipation at Tc, compared to unspecified power dissipation for the IXFL55N50. This enhanced thermal capability supports higher power applications within the same voltage and package envelope.

Q: Do both parts have the same moisture sensitivity?

A: Yes. Both the IXFL55N50 and IXFL132N50P3 carry MSL 1 (Unlimited) classification, indicating identical moisture sensitivity handling requirements.

Q: Is the IXFL132N50P3 RoHS compliant?

A: Yes. The IXFL132N50P3 is ROHS3 Compliant. RoHS compliance status for the IXFL55N50 is not specified in available documentation.

Q: Will PCB layout modifications be required?

A: No. Both devices use identical ISOPLUS264™ packaging and TO-264-3, TO-264AA case dimensions. Direct PCB footprint compatibility is maintained without layout revision.