IXSR40N60CD1 Equivalent & Substitute Parts

Part Overview

The IXSR40N60CD1 is an IGBT (Insulated Gate Bipolar Transistor) rated for 600V collector-emitter breakdown voltage with a maximum collector current of 62A and 210W power dissipation. This device features a PT (Punch-Through) architecture and is packaged in the ISOPLUS247™ through-hole format. The part is currently classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity.

Substiute Parts

IXSR40N60CD1

IXYSIn Stock: 1132IXSR40N60CD1 Datasheet

Current PartRFQ

IXXH50N60C3D1

IXYSIn Stock: 2536IXXH50N60C3D1 Datasheet

DirectRFQ

FGH40N60SMD-F085

onsemiIn Stock: 800FGH40N60SMD-F085 Datasheet

SimilarRFQ

NGTB40N60L2WG

onsemiIn Stock: 812NGTB40N60L2WG Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IXSR40N60CD1 is determined by the following critical parameters:

Voltage Rating: All substitute parts must maintain the 600V collector-emitter breakdown voltage specification to ensure safe operation within the same circuit topology.

Current Rating: Substitute parts must support a minimum collector current (Ic) of 62A. Parts with higher current ratings (80A, 100A) are acceptable as they provide design margin and thermal headroom.

Package Compatibility: The TO-247-3 through-hole package is the primary mechanical constraint. Substitute parts must use identical or mechanically compatible package formats to ensure PCB footprint compatibility.

Voltage Drop (Vce(on)): The on-state voltage drop at rated conditions determines conduction losses. Substitute parts with lower Vce(on) values improve efficiency; higher values increase thermal dissipation requirements.

Thermal Operating Range: The IXSR40N60CD1 operates from -55°C to 150°C. Substitute parts with extended upper temperature limits (175°C) provide additional thermal margin.

IGBT Architecture: The PT (Punch-Through) architecture of the main part can be substituted with Field Stop or Trench Field Stop variants, which offer improved switching characteristics and lower gate charge.

Parameter Comparison

Engineering Selection Recommendations

IXXH50N60C3D1 (IXYS)

This part is the primary recommended substitute. It maintains the same 600V voltage rating and TO-247-3 package format. The IXXH50N60C3D1 provides superior performance characteristics: 100A collector current (61% higher than the main part), significantly reduced gate charge (64 nC versus 190 nC), and faster switching times (24ns on-time versus 50ns). The device is currently in active production status with ROHS3 compliance. The extended operating temperature range (-55°C to 175°C) provides additional thermal margin. This part is suitable for direct substitution in applications where the increased current rating and improved switching performance are beneficial or neutral to circuit operation.

FGH40N60SMD-F085 (onsemi)

This part offers a direct current rating match at 80A, exceeding the main part's 62A specification. It maintains identical Vce(on) characteristics (2.5V @ 15V, 40A) and comparable gate charge (180 nC). The Field Stop architecture provides improved switching performance with faster on-time (18ns versus 50ns). This device carries AEC-Q101 automotive qualification and ROHS3 compliance. The extended operating temperature range (-55°C to 175°C) is supported. This part is suitable for applications requiring automotive-grade reliability or where Field Stop architecture characteristics are preferred.

NGTB40N60L2WG (onsemi)

This part is classified as obsolete and is not recommended as a primary substitute. While it maintains the 600V voltage rating and TO-247-3 package, it exhibits significantly degraded switching performance compared to the main part: slower on-time (98ns versus 50ns) and substantially slower off-time (213ns versus 70ns). The gate charge is elevated (228 nC versus 190 nC), and reverse recovery time is extended (73 ns versus 35 ns). These characteristics result in higher switching losses and reduced efficiency. This part should only be considered if inventory constraints or legacy design requirements mandate its use.

Frequently Asked Questions (FAQ)

Q: Can the IXXH50N60C3D1 be used as a direct replacement for the IXSR40N60CD1?

A: Yes. Both devices share the same 600V voltage rating, TO-247-3 package format, and through-hole mounting type. The IXXH50N60C3D1 exceeds the current rating requirement (100A versus 62A) and provides improved switching characteristics. No PCB modifications are required. The higher current rating provides additional design margin without introducing compatibility issues.

Q: What is the primary difference between PT, Field Stop, and Trench Field Stop IGBT architectures?

A: PT (Punch-Through) architecture, used in the IXSR40N60CD1, is a conventional design. Field Stop architecture, used in the FGH40N60SMD-F085, reduces reverse recovery time and switching losses through a field-limiting structure. Trench Field Stop architecture, used in the NGTB40N60L2WG, combines trench gate geometry with field stop technology. These architectural differences affect switching speed, gate charge, and conduction losses. All three architectures are electrically compatible at the 600V, 62A+ operating point.

Q: Why does the IXXH50N60C3D1 have significantly lower gate charge (64 nC) compared to the main part (190 nC)?

A: The IXXH50N60C3D1 uses advanced PT architecture with optimized gate structure, resulting in reduced capacitive coupling and faster charge transfer. Lower gate charge enables faster switching transitions, reducing switching losses and improving overall circuit efficiency. This is a performance advantage and does not affect substitution compatibility.

Q: Is the extended operating temperature range (-55°C to 175°C) of substitute parts a concern?

A: No. An extended upper temperature limit provides additional thermal margin and does not introduce compatibility issues. If the original design operates within -55°C to 150°C, the substitute parts will operate safely within this range with improved thermal headroom. The extended range is a design advantage.

Q: Can the FGH40N60SMD-F085 be used in applications requiring automotive qualification?

A: Yes. The FGH40N60SMD-F085 carries AEC-Q101 automotive qualification, making it suitable for automotive applications. The IXSR40N60CD1 does not specify automotive qualification. If automotive-grade reliability is required, the FGH40N60SMD-F085 is the appropriate choice.

Q: Why is the NGTB40N60L2WG not recommended despite being listed as a substitute?

A: The NGTB40N60L2WG is classified as obsolete and exhibits significantly degraded switching performance: 98ns on-time (versus 50ns in the main part) and 213ns off-time (versus 70ns). These characteristics result in substantially higher switching losses and reduced efficiency. While electrically compatible at the voltage and current level, the performance degradation makes it unsuitable for new designs. It should only be used if legacy design requirements or inventory constraints mandate its use.

Q: Are all substitute parts available in the same packaging format?

A: Yes. All substitute parts use the TO-247-3 through-hole package format, ensuring mechanical and PCB footprint compatibility. No modifications to PCB layout or mounting hardware are required.

Q: What is the significance of ROHS3 compliance for these parts?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting the use of lead and other hazardous materials. The IXXH50N60C3D1 and FGH40N60SMD-F085 are ROHS3 compliant, supporting modern environmental and regulatory requirements. The IXSR40N60CD1 does not specify ROHS status.