IXFX100N65X2 Equivalent & Substitute Parts

Part Overview

The IXFX100N65X2 is an N-Channel MOSFET manufactured by IXYS, part of the HiPerFET™ Ultra X2 series. This device is rated for 650V drain-to-source voltage with 100A continuous drain current and 1040W maximum power dissipation. The component is housed in a PLUS247™-3 package and is designed for high-power switching applications requiring robust thermal performance and voltage handling capability.

The IXFX100N65X2 maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified based on matching critical electrical parameters: drain-to-source voltage rating, continuous drain current capability, gate-source voltage specifications, and through-hole mounting compatibility.

Substiute Parts

IXFX100N65X2

IXYSIn Stock: 87098IXFX100N65X2 Datasheet

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SCT3022ALGC11

Rohm SemiconductorIn Stock: 2812SCT3022ALGC11 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the IXFX100N65X2 is determined by the following critical parameters:

Voltage Rating Compatibility: The substitute part must maintain the 650V drain-to-source voltage (Vdss) rating to ensure safe operation in the same circuit topology without risk of overstress.

Current Handling Capability: The substitute must support continuous drain current (Id) at or above 100A at 25°C to maintain equivalent load-carrying capacity in the application.

Gate-Source Voltage Specifications: The substitute must accommodate the gate drive voltage requirements, including threshold voltage (Vgs(th)) and maximum gate-source voltage (Vgs Max) within acceptable operating ranges.

Through-Hole Mounting: The substitute must utilize through-hole mounting technology to ensure mechanical compatibility with existing PCB layouts and assembly processes.

Package Compatibility: The substitute must be housed in a TO-247-3 or equivalent footprint to maintain pin-to-pin compatibility.

Regulatory Compliance: The substitute must maintain RoHS3 compliance and REACH unaffected status to satisfy environmental and regulatory requirements.

The SCT3022ALGC11 meets these substitution criteria with matching 650V voltage rating, through-hole TO-247N package, and regulatory compliance, despite differences in semiconductor technology (SiCFET versus MOSFET) and specific electrical characteristics.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection - IXFX100N65X2:

The IXFX100N65X2 is the primary component choice for applications requiring 650V, 100A continuous drain current capability. This MOSFET-based device delivers 1040W maximum power dissipation and operates across the -55°C to 150°C temperature range. The device maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. The PLUS247™-3 package provides robust thermal management for high-power switching applications.

Substitute Selection - SCT3022ALGC11:

The SCT3022ALGC11 serves as a functional substitute when IXFX100N65X2 availability is constrained. This SiCFET-based device maintains the 650V voltage rating and through-hole TO-247N package compatibility. The SCT3022ALGC11 delivers 93A continuous drain current, representing a 7% reduction from the primary part's 100A rating. Power dissipation is rated at 339W maximum, substantially lower than the primary device. The substitute maintains Active product status with RoHS3 compliance and unlimited moisture sensitivity rating.

Compliance Verification:

Both devices satisfy RoHS3 compliance requirements and maintain REACH unaffected status. Both components carry unlimited moisture sensitivity ratings (MSL 1), eliminating special handling requirements during storage and assembly. Both devices are classified under ECCN EAR99 and HTSUS 8541.29.0095.

Application Suitability:

Selection between the primary and substitute part depends on application current requirements and thermal management constraints. Applications requiring the full 100A continuous drain current rating must use the IXFX100N65X2. Applications with current demands at or below 93A may utilize the SCT3022ALGC11, with consideration for the reduced power dissipation capability and different semiconductor technology characteristics.

Frequently Asked Questions (FAQ)

Q: Can the SCT3022ALGC11 directly replace the IXFX100N65X2 in all applications?

A: Direct replacement is possible only in applications where continuous drain current requirements do not exceed 93A. The SCT3022ALGC11 is rated for 93A continuous drain current compared to the IXFX100N65X2's 100A rating. Applications requiring the full 100A capability must use the primary part. Both devices share the 650V voltage rating and TO-247-3 package compatibility.

Q: What are the key differences between the MOSFET and SiCFET technologies in these parts?

A: The IXFX100N65X2 uses traditional MOSFET (Metal Oxide) technology, while the SCT3022ALGC11 uses SiCFET (Silicon Carbide) technology. These differences result in distinct electrical characteristics: the SCT3022ALGC11 exhibits lower gate charge (133 nC versus 180 nC) and lower input capacitance (2208 pF versus 11300 pF), but operates at higher gate drive voltage (18V versus 10V). Both technologies are suitable for 650V switching applications.

Q: Are the packages physically compatible?

A: Both devices use TO-247-3 package variants. The IXFX100N65X2 is specified as PLUS247™-3, while the SCT3022ALGC11 uses TO-247N. These packages share the same three-pin through-hole footprint and are mechanically compatible for PCB mounting and assembly purposes.

Q: What is the impact of the reduced power dissipation rating on substitution?

A: The SCT3022ALGC11 is rated for 339W maximum power dissipation compared to the IXFX100N65X2's 1040W rating. This represents a significant reduction in thermal capability. Applications with high switching frequency or continuous high-current operation may generate thermal loads exceeding the substitute part's dissipation limit. Thermal analysis is necessary to confirm the substitute part's suitability in thermally demanding applications.

Q: Do both parts meet the same regulatory and compliance standards?

A: Yes. Both the IXFX100N65X2 and SCT3022ALGC11 maintain RoHS3 compliance, REACH unaffected status, and unlimited moisture sensitivity rating (MSL 1). Both devices are classified under ECCN EAR99 and HTSUS 8541.29.0095. Regulatory requirements do not differentiate between these parts.

Q: What gate drive voltage should be used with each device?

A: The IXFX100N65X2 specifies 10V drive voltage for maximum Rds On performance. The SCT3022ALGC11 requires 18V drive voltage for equivalent Rds On specification. Gate drive circuits must be configured to accommodate the specific voltage requirements of the selected device. Mismatched drive voltage will result in suboptimal on-resistance performance.

Q: How do the threshold voltage specifications compare?

A: Both devices exhibit similar threshold voltage specifications: IXFX100N65X2 at 5.5V (@ 4mA) and SCT3022ALGC11 at 5.6V (@ 18.2mA). These values are functionally equivalent for gate drive circuit design purposes. Both devices operate within standard gate drive voltage ranges for 650V power switching applications.

Q: What is the maximum gate-source voltage rating for each device?

A: The IXFX100N65X2 is rated for ±30V maximum gate-source voltage, providing symmetric voltage tolerance. The SCT3022ALGC11 is rated for +22V and -4V, providing asymmetric voltage tolerance. Gate drive circuits must remain within these specified limits to prevent device damage. The IXFX100N65X2 offers greater gate voltage margin in both positive and negative directions.