IXFQ50N60P3 Equivalent & Substitute Parts

Part Overview

The IXFQ50N60P3 is an N-Channel 600V 50A MOSFET manufactured by IXYS in the HiPerFET™ and Polar3™ series. This through-hole TO-3P device is designed for high-power switching applications requiring robust voltage handling and continuous current capacity. The part is Active status and RoHS3 compliant. Substitute parts are identified when equivalent voltage ratings, similar current handling capabilities, and compatible package footprints are required for design flexibility, inventory management, or supply chain continuity.

Substiute Parts

IXFQ50N60P3

IXYSIn Stock: 837IXFQ50N60P3 Datasheet

Current PartRFQ

FCA22N60N

Fairchild SemiconductorIn Stock: 4597FCA22N60N Datasheet

SimilarRFQ

IPW60R099CPAFKSA1

Infineon TechnologiesIn Stock: 989IPW60R099CPAFKSA1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the IXFQ50N60P3 are selected based on the following critical parameters:

Voltage Rating Compatibility: All substitute parts maintain the 600V Drain to Source Voltage (Vdss) specification, ensuring equivalent voltage stress handling in the application circuit.

Current Handling: Substitute parts are grouped by continuous drain current capacity. The IXFQ50N60P3 operates at 50A; substitute parts with lower current ratings (22A to 31A) are suitable for applications where the full 50A capacity is not required or where thermal management allows operation at reduced current levels.

Package Compatibility: Substitute parts use through-hole mounting packages (TO-3P, TO-3PN, TO-247-3) that are mechanically compatible with standard PCB layouts designed for the original part.

Temperature Range: All parts operate across the -55°C to 150°C range, ensuring thermal performance consistency across the substitution group.

Technology Platform: All parts use Metal Oxide MOSFET technology with N-Channel configuration, maintaining functional equivalence in switching applications.

Parameter Comparison

Engineering Selection Recommendations

IXFQ50N60P3 (Primary Part): Select this part for applications requiring maximum continuous drain current at 50A with 1040W power dissipation capacity. The part is Active status, RoHS3 compliant, and available in high inventory (821 pcs). Use when full current and power handling specifications are design requirements.

FCA22N60N (Fairchild Semiconductor): This substitute is suitable for applications where continuous drain current requirements are 22A or lower. The part maintains 600V voltage rating and -55°C to 150°C operating range. Power dissipation is 205W, and gate charge is 45 nC. This part is Active status with 4489 pcs in inventory. Package is TO-3PN, mechanically compatible with TO-3P layouts. Use when current demand does not exceed 22A and cost optimization is a consideration.

IPW60R099CPAFKSA1 (Infineon Technologies): This substitute provides 31A continuous drain current with 255W power dissipation and 105 mOhm Rds On, offering improved on-resistance performance compared to the primary part. The part is Active status, RoHS3 compliant, and AEC-Q101 qualified for automotive applications. Operating temperature range is -40°C to 150°C. Package is TO-247-3. Use when 31A current capacity is sufficient and automotive-grade qualification is required, or when superior on-resistance characteristics are beneficial for thermal management.

All substitute parts share 600V Vdss rating, N-Channel configuration, and through-hole mounting compatibility. Selection depends on specific current requirements, thermal constraints, and application-specific certifications.

Frequently Asked Questions (FAQ)

Q: Can the FCA22N60N replace the IXFQ50N60P3 in all applications?

A: The FCA22N60N is a substitute only for applications where continuous drain current does not exceed 22A. The IXFQ50N60P3 is rated for 50A continuous current. If the application requires the full 50A capacity, the FCA22N60N is not suitable. Both parts maintain 600V Vdss rating and -55°C to 150°C operating range.

Q: What are the package differences between these parts?

A: The IXFQ50N60P3 uses TO-3P package. The FCA22N60N uses TO-3PN package. The IPW60R099CPAFKSA1 uses TO-247-3 package. All three are through-hole mounting types with compatible PCB footprints for standard high-power switching layouts, though mechanical mounting hole patterns may differ.

Q: Is the IPW60R099CPAFKSA1 suitable for automotive applications?

A: Yes. The IPW60R099CPAFKSA1 is AEC-Q101 qualified and carries automotive-grade designation. The IXFQ50N60P3 and FCA22N60N do not have specified automotive qualification.

Q: How do the on-resistance values compare?

A: The IXFQ50N60P3 has 145 mOhm Rds On @ 500mA, 10V. The FCA22N60N has 165 mOhm @ 11A, 10V. The IPW60R099CPAFKSA1 has 105 mOhm @ 18A, 10V. Lower on-resistance reduces power dissipation and heat generation during operation.

Q: What is the significance of gate charge differences?

A: Gate charge (Qg) affects switching speed and driver circuit requirements. The IXFQ50N60P3 has 94 nC @ 10V. The FCA22N60N has 45 nC @ 10V. The IPW60R099CPAFKSA1 has 80 nC @ 10V. Lower gate charge enables faster switching transitions and reduces driver power consumption.

Q: Are all parts RoHS3 compliant?

A: The IXFQ50N60P3 and IPW60R099CPAFKSA1 are both RoHS3 compliant. RoHS status for the FCA22N60N is not specified in the provided data.

Q: What is the minimum operating temperature difference?

A: The IXFQ50N60P3 and FCA22N60N operate from -55°C to 150°C. The IPW60R099CPAFKSA1 operates from -40°C to 150°C. For applications requiring operation below -40°C, the IPW60R099CPAFKSA1 is not suitable.

Q: Can these parts be used interchangeably in existing designs?

A: Interchangeability depends on current requirements, thermal design, and package compatibility. The IXFQ50N60P3 cannot be directly replaced by lower-current parts in high-current applications. Package differences (TO-3P, TO-3PN, TO-247-3) require PCB layout verification before substitution.