IXGH40N60 IGBT Equivalent & Substitute Parts

Part Overview

The IXGH40N60 is a 600V, 75A IGBT manufactured by IXYS in TO-247-3 package configuration, rated for 250W maximum power dissipation. This device is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement continuity. The part operates across a temperature range of -55°C to 150°C and features standard input gate drive characteristics with 200 nC gate charge and switching times of 100ns (on) and 600ns (off) at 25°C.

Key Parameters

Parameter	Value	Unit
Voltage - Collector Emitter Breakdown (Max)	600	V
Current - Collector (Ic) (Max)	75	A
Current - Collector Pulsed (Icm)	150	A
Vce(on) (Max) @ Vge, Ic	2.5V @ 15V, 40A	V
Power - Max	250	W
Gate Charge	200	nC
Td (on/off) @ 25°C	100/600	ns
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-247-3
Input Type	Standard

Substitute Part Grouping Explanation

Substitution of the IXGH40N60 is determined by the following critical parameters:

Voltage Rating: All substitute parts must maintain a minimum collector-emitter breakdown voltage of 600V. Parts rated at 650V are acceptable as they provide voltage margin compatibility.

Current Rating: Substitute parts must support a minimum continuous collector current (Ic) of 75A. Parts rated at 80A or higher satisfy this requirement.

Package Configuration: All substitutes must use TO-247-3 through-hole mounting to ensure mechanical and thermal interface compatibility.

Input Type: All substitutes must feature standard gate drive input characteristics, compatible with existing gate drive circuitry.

Vce(on) Saturation Voltage: Substitute parts must demonstrate Vce(on) values at 15V gate drive and 40A collector current within acceptable operating margins (2.3V to 2.7V range).

Operating Temperature: Substitute parts must support the minimum operating temperature range of -55°C to 150°C. Parts rated to 175°C provide extended thermal margin.

Gate Charge and Switching Times: These parameters influence gate drive circuit design. Substitutes with comparable gate charge (180-350 nC) and switching characteristics maintain circuit performance consistency.

Parameter Comparison

Parameter	IXGH40N60	FGH40N60SMD-F085	HGTG40N60A4	NGTB40N60L2WG	STGW40H65FB
Manufacturer	IXYS	onsemi	onsemi	onsemi	STMicroelectronics
Voltage - Collector Emitter Breakdown (Max)	600V	600V	600V	600V	650V
Current - Collector (Ic) (Max)	75A	80A	75A	80A	80A
Current - Collector Pulsed (Icm)	150A	120A	300A	160A	160A
Vce(on) (Max) @ Vge, Ic	2.5V @ 15V, 40A	2.5V @ 15V, 40A	2.7V @ 15V, 40A	2.61V @ 15V, 40A	2.3V @ 15V, 40A
Power - Max	250W	349W	625W	417W	283W
Gate Charge	200nC	180nC	350nC	228nC	210nC
Td (on/off) @ 25°C	100/600ns	18/110ns	25/145ns	98/213ns	40/142ns
Operating Temperature Range	-55 to 150°C	-55 to 175°C	-55 to 150°C	-55 to 175°C	-55 to 175°C
IGBT Type	Standard	Field Stop	Standard	Trench Field Stop	Trench Field Stop
Package / Case	TO-247-3	TO-247-3	TO-247-3	TO-247-3	TO-247-3
Product Status	Obsolete	Active	Obsolete	Obsolete	Active
RoHS Status	Not Specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

FGH40N60SMD-F085 (onsemi) and STGW40H65FB (STMicroelectronics) are both active products with current manufacturing support. FGH40N60SMD-F085 matches the 600V voltage rating and 2.5V Vce(on) specification exactly, with improved switching performance (18ns/110ns vs. 100ns/600ns). STGW40H65FB provides 650V voltage rating with superior Vce(on) performance (2.3V) and extended temperature range to 175°C, though it represents a voltage class upgrade.

Secondary Substitutes (Obsolete Product Status):

HGTG40N60A4 (onsemi) and NGTB40N60L2WG (onsemi) are obsolete products but remain in inventory. HGTG40N60A4 maintains exact voltage and current specifications with higher power rating (625W) and extended pulsed current capability (300A). NGTB40N60L2WG offers 80A continuous current with Trench Field Stop technology and extended temperature range to 175°C.

Compliance Considerations:

All substitute parts maintain REACH Unaffected status and EAR99 export classification consistent with the original IXGH40N60. FGH40N60SMD-F085 carries AEC-Q101 automotive qualification, providing additional reliability assurance for automotive applications. All active substitutes are ROHS3 compliant.

Thermal and Switching Performance:

FGH40N60SMD-F085 demonstrates significantly faster switching times (18ns on-time vs. 100ns), reducing switching losses in high-frequency applications. STGW40H65FB provides the lowest Vce(on) saturation voltage (2.3V), minimizing conduction losses. NGTB40N60L2WG and HGTG40N60A4 exhibit switching characteristics closer to the original part, suitable for applications with existing gate drive timing constraints.

Frequently Asked Questions (FAQ)

Q: Can FGH40N60SMD-F085 directly replace IXGH40N60 in existing designs?

A: FGH40N60SMD-F085 is mechanically and electrically compatible as a direct replacement. Both parts share identical 600V voltage rating, 2.5V Vce(on) specification at 15V/40A, and TO-247-3 package. The primary difference is improved switching performance (18ns/110ns vs. 100ns/600ns), which reduces switching losses but requires gate drive circuit verification for timing compatibility.

Q: What is the voltage margin difference between IXGH40N60 and STGW40H65FB?

A: STGW40H65FB is rated at 650V collector-emitter breakdown voltage compared to IXGH40N60 at 600V. This 50V margin provides additional voltage headroom in applications with transient overvoltage conditions. The 650V rating is backward compatible with 600V circuit designs.

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

A: All substitute parts use TO-247-3 through-hole package configuration, ensuring mechanical compatibility with existing PCB layouts and thermal management interfaces. Packaging differences are limited to supplier variations (tube vs. reel) which do not affect electrical or mechanical performance.

Q: How do switching time differences affect circuit design?

A: FGH40N60SMD-F085 exhibits significantly faster switching times (18ns on, 110ns off) compared to IXGH40N60 (100ns on, 600ns off). Faster switching reduces switching losses and allows higher operating frequencies but requires gate drive circuits capable of supporting faster edge rates. Existing gate drive circuits designed for IXGH40N60 timing may require adjustment.

Q: Which substitute offers the best thermal performance?

A: HGTG40N60A4 provides the highest maximum power rating (625W) and supports the widest pulsed current capability (300A), indicating superior thermal design margin. However, FGH40N60SMD-F085 and STGW40H65FB offer extended operating temperature ranges to 175°C, providing thermal margin for high-ambient applications.

Q: What is the significance of Field Stop and Trench Field Stop IGBT types?

A: Field Stop and Trench Field Stop technologies represent advanced IGBT architectures that improve switching performance and reduce switching losses compared to standard IGBT designs. FGH40N60SMD-F085 (Field Stop) and NGTB40N60L2WG and STGW40H65FB (Trench Field Stop) demonstrate faster switching times and lower switching energy than the standard IXGH40N60, making them suitable for high-frequency applications.

Q: Are there compliance or qualification differences between substitutes?

A: FGH40N60SMD-F085 carries AEC-Q101 automotive qualification, providing additional reliability assurance for automotive applications. All active substitutes (FGH40N60SMD-F085 and STGW40H65FB) are ROHS3 compliant. All parts maintain REACH Unaffected status and EAR99 export classification.

Q: Can NGTB40N60L2WG be used in applications requiring extended temperature operation?

A: NGTB40N60L2WG supports operating temperatures to 175°C, extending the thermal margin compared to IXGH40N60 (150°C maximum). This makes it suitable for high-temperature applications, though its obsolete product status may limit long-term availability.

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