IXGR60N60B2 Equivalent & Substitute Parts

Part Overview

The IXGR60N60B2 is an IGBT (Insulated Gate Bipolar Transistor) rated for 600V collector-emitter breakdown voltage with a maximum collector current of 75A and 250W power dissipation. Manufactured by IXYS in the HiPerFAST™ series, this device is packaged in TO-247-3 (ISOPLUS247™) through-hole configuration and is currently classified as obsolete. Due to its obsolete status and limited availability relative to active alternatives, equivalent substitute parts with matching or superior electrical and mechanical specifications are necessary for new designs and production continuity.

Key Parameters

Parameter	Value	Unit
Voltage - Collector Emitter Breakdown (Max)	600	V
Current - Collector (Ic) (Max)	75	A
Current - Collector Pulsed (Icm)	300	A
Power - Max	250	W
Vce(on) (Max) @ Vge, Ic	2V @ 15V, 50A	V
Gate Charge	170	nC
Td (on/off) @ 25°C	28ns/160ns	ns
Operating Temperature Range	-55 to 150	°C (TJ)
Package / Case	TO-247-3	—
Mounting Type	Through Hole	—

Substitute Part Grouping Explanation

Substitute parts for the IXGR60N60B2 are selected based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Mandatory Matching Criteria:

Voltage - Collector Emitter Breakdown: 600V (exact match required)
Package / Case: TO-247-3 (mechanical and thermal interface compatibility)
Mounting Type: Through Hole (PCB assembly compatibility)
Input Type: Standard (gate drive compatibility)

Compatible Range Criteria:

Current - Collector (Ic) (Max): 75A minimum (equal or greater)
Power - Max: 250W minimum (equal or greater)
Operating Temperature Range: -55°C minimum and 150°C maximum (equal or wider)

All substitute parts listed meet or exceed these criteria. Variations in switching energy, gate charge, and on-state voltage reflect different IGBT technology generations (PT, Field Stop, Trench Field Stop) but do not preclude functional substitution when electrical ratings are satisfied.

Parameter Comparison

Parameter	IXGR60N60B2	FGH40N60SMD-F085	HGTG30N60A4D	HGTG40N60A4	NGTB40N60L2WG
Manufacturer	IXYS	onsemi	onsemi	onsemi	onsemi
Voltage - Collector Emitter Breakdown (Max)	600V	600V	600V	600V	600V
Current - Collector (Ic) (Max)	75A	80A	75A	75A	80A
Current - Collector Pulsed (Icm)	300A	120A	240A	300A	160A
Power - Max	250W	349W	463W	625W	417W
Vce(on) (Max) @ Vge, Ic	2V @ 15V, 50A	2.5V @ 15V, 40A	2.6V @ 15V, 30A	2.7V @ 15V, 40A	2.61V @ 15V, 40A
Gate Charge	170nC	180nC	225nC	350nC	228nC
Td (on/off) @ 25°C	28ns/160ns	18ns/110ns	25ns/150ns	25ns/145ns	98ns/213ns
Operating Temperature Range	-55 to 150°C	-55 to 175°C	-55 to 150°C	-55 to 150°C	-55 to 175°C
Package / Case	TO-247-3	TO-247-3	TO-247-3	TO-247-3	TO-247-3
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Product Status	Obsolete	Active	Active	Obsolete	Obsolete
RoHS Status	Not Specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: FGH40N60SMD-F085

The FGH40N60SMD-F085 (onsemi) is the preferred substitute for the IXGR60N60B2. This device meets all mandatory electrical and mechanical compatibility criteria with the following advantages:

Active product status ensures long-term availability and supply chain continuity
ROHS3 compliance and AEC-Q101 automotive qualification provide regulatory alignment
Superior switching performance: 18ns turn-on and 110ns turn-off times reduce switching losses compared to the original 28ns/160ns specification
Higher power rating (349W vs. 250W) provides thermal margin in existing designs
Field Stop IGBT technology offers improved efficiency characteristics

Secondary Recommendation: HGTG30N60A4D

The HGTG30N60A4D (onsemi) provides an alternative with the following characteristics:

Active product status with extensive inventory availability (12,488 pcs)
Highest power rating among substitutes (463W) offers maximum thermal headroom
ROHS3 compliance
Identical operating temperature range (-55 to 150°C) matches original specification
Slightly higher on-state voltage (2.6V vs. 2V) requires thermal analysis in power-dissipation-critical applications

Tertiary Options: HGTG40N60A4 and NGTB40N60L2WG

Both devices are classified as obsolete and should be considered only when active alternatives are unavailable. HGTG40N60A4 offers the highest power rating (625W) but with significantly higher gate charge (350nC) affecting gate drive requirements. NGTB40N60L2WG provides extended temperature range (-55 to 175°C) but exhibits slower switching times (98ns/213ns) unsuitable for high-frequency applications.

Frequently Asked Questions (FAQ)

Q: Can the FGH40N60SMD-F085 directly replace the IXGR60N60B2 without PCB modifications?

A: Yes. Both devices use identical TO-247-3 through-hole packaging and mounting configuration. No PCB layout changes are required. However, gate drive circuit parameters (specifically gate charge: 180nC vs. 170nC) should be verified for compatibility with existing driver circuits.

Q: What is the significance of the different IGBT types (PT, Field Stop, Trench Field Stop)?

A: IGBT type reflects the semiconductor technology generation. PT (Punch-Through) represents earlier technology. Field Stop and Trench Field Stop are newer generations with improved switching characteristics and lower losses. All types are functionally compatible when voltage, current, and package specifications match.

Q: Why does the HGTG40N60A4 have a gate charge of 350nC compared to 170nC in the original?

A: Higher gate charge indicates greater capacitive loading on the gate drive circuit. This requires verification that the gate driver can supply sufficient current at the specified switching frequency. Existing gate drive circuits designed for 170nC may require adjustment for 350nC operation.

Q: Are there thermal considerations when substituting to higher power-rated devices?

A: Higher power ratings indicate improved thermal performance at the same current and voltage conditions. Substitution to higher-rated devices (e.g., 463W or 625W) reduces junction temperature rise, improving reliability. Lower on-state voltage (Vce(on)) in some substitutes also reduces conduction losses.

Q: What is the impact of switching time differences on circuit performance?

A: Faster switching times (lower Td values) reduce switching losses and electromagnetic interference (EMI). The FGH40N60SMD-F085 with 18ns/110ns switching times offers improved efficiency compared to the original 28ns/160ns. Slower devices like NGTB40N60L2WG (98ns/213ns) increase switching losses and may require circuit redesign in high-frequency applications.

Q: Is RoHS3 compliance mandatory for substitution?

A: RoHS3 compliance is a regulatory requirement in many markets. The FGH40N60SMD-F085 and HGTG30N60A4D are ROHS3 compliant, ensuring compatibility with modern supply chain requirements and end-product regulations.

Q: Can the NGTB40N60L2WG be used in automotive applications?

A: The NGTB40N60L2WG is not listed with AEC-Q101 qualification. The FGH40N60SMD-F085 carries AEC-Q101 automotive qualification, making it the appropriate choice for automotive applications requiring this certification.

Q: What is the difference between current ratings Ic (Max) and Icm (Pulsed)?

A: Ic (Max) is the continuous collector current rating under specified thermal conditions. Icm (Pulsed) is the maximum non-repetitive peak current for short durations. Continuous operation must not exceed Ic (Max); Icm is used only for transient analysis.

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