IRG7PH35UD1MPBF IGBT Equivalent & Substitute Parts

Part Overview

The IRG7PH35UD1MPBF is a Trench IGBT manufactured by Infineon Technologies, rated for 1200V collector-emitter breakdown voltage with 50A maximum collector current and 179W maximum power dissipation. This component is packaged in TO-247-3 through-hole configuration and is currently classified as obsolete product status.

Due to its obsolete classification, locating original stock may present supply chain challenges. Identifying qualified substitute components with equivalent electrical and mechanical specifications is necessary to maintain design continuity and ensure system reliability in applications requiring 1200V/50A IGBT functionality.

Key Parameters

Parameter	Value	Unit
Voltage - Collector Emitter Breakdown (Max)	1200	V
Current - Collector (Ic) (Max)	50	A
Power - Max	179	W
Vce(on) (Max)	2.2	V @ 15V, 20A
Gate Charge	130	nC
IGBT Type	Trench	-
Package / Case	TO-247-3	-
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	Through Hole	-

Substitute Part Grouping Explanation

Substitution eligibility for the IRG7PH35UD1MPBF is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

Voltage - Collector Emitter Breakdown (Max): 1200V
Current - Collector (Ic) (Max): 50A minimum
Package / Case: TO-247-3
Mounting Type: Through Hole

Compatible Electrical Characteristics:

IGBT Type: Trench or Trench Field Stop technology
Input Type: Standard gate drive
Operating Temperature Range: Minimum -55°C to 150°C

The STGW25M120DF3 from STMicroelectronics meets all mandatory matching parameters. While this substitute exhibits higher maximum power rating (375W vs. 179W) and different switching energy characteristics, these represent performance enhancements rather than incompatibilities. The substitute maintains identical voltage and current ratings, identical package configuration, and compatible gate drive requirements.

Parameter Comparison

Parameter	IRG7PH35UD1MPBF (Infineon)	STGW25M120DF3 (STMicroelectronics)	Unit
Voltage - Collector Emitter Breakdown (Max)	1200	1200	V
Current - Collector (Ic) (Max)	50	50	A
Current - Collector Pulsed (Icm)	150	100	A
Power - Max	179	375	W
Vce(on) (Max)	2.2	2.3	V @ 15V, 20-25A
Gate Charge	130	85	nC
IGBT Type	Trench	Trench Field Stop	-
Package / Case	TO-247-3	TO-247-3	-
Operating Temperature Range	-55 to 150	-55 to 175	°C (TJ)
Mounting Type	Through Hole	Through Hole	-
Input Type	Standard	Standard	-
Product Status	Obsolete	Active	-

Engineering Selection Recommendations

Primary Substitute: STGW25M120DF3

The STGW25M120DF3 is the qualified substitute for the IRG7PH35UD1MPBF based on the following engineering criteria:

Electrical Compatibility: Both devices share identical voltage and current ratings (1200V/50A), ensuring direct functional equivalence in circuit applications. The substitute's higher power rating (375W vs. 179W) provides thermal margin without creating incompatibility.

Package Compatibility: Both components utilize TO-247-3 through-hole packaging, enabling direct mechanical substitution on existing PCB layouts without redesign.

Product Status: The STGW25M120DF3 maintains Active product status with confirmed inventory availability (1130 pcs), addressing the supply chain limitation of the obsolete IRG7PH35UD1MPBF.

Compliance & Certifications: Both devices carry identical REACH Unaffected status and EAR99 ECCN classification. The STGW25M120DF3 additionally carries RoHS3 Compliance certification, meeting modern regulatory requirements.

Operating Temperature: The substitute supports an extended maximum junction temperature (175°C vs. 150°C), providing additional thermal headroom in high-temperature applications.

Frequently Asked Questions (FAQ)

Q: Can the STGW25M120DF3 directly replace the IRG7PH35UD1MPBF without circuit modifications?

A: Yes. Both devices share identical voltage ratings (1200V), current ratings (50A), and TO-247-3 package configuration. Gate drive requirements are identical (Standard input type). Direct substitution is electrically and mechanically compatible.

Q: What is the significance of the higher power rating in the STGW25M120DF3?

A: The STGW25M120DF3 is rated for 375W maximum power dissipation compared to 179W for the IRG7PH35UD1MPBF. This represents enhanced thermal capability and does not create incompatibility. Applications designed for the original part will operate within the substitute's power envelope.

Q: How do the switching characteristics differ between these devices?

A: The STGW25M120DF3 exhibits lower gate charge (85nC vs. 130nC), resulting in faster switching response. Turn-off delay time is comparable (150ns vs. 160ns). These differences represent performance improvements rather than incompatibilities.

Q: Are there thermal management considerations when substituting?

A: The substitute's higher power rating and extended temperature range (-55°C to 175°C vs. -55°C to 150°C) provide additional thermal margin. Existing thermal management solutions designed for the original part remain valid for the substitute.

Q: What is the difference between Trench and Trench Field Stop IGBT technology?

A: Both are Trench-based IGBT architectures. The Field Stop variant in the STGW25M120DF3 incorporates additional design features that contribute to its higher power rating and lower gate charge. Both technologies are functionally compatible for standard gate drive applications.

Q: Is the STGW25M120DF3 available in the same packaging format?

A: Yes. Both devices use TO-247-3 through-hole packaging. The STGW25M120DF3 is supplied in Tube packaging format, which is standard for high-volume component distribution.

Q: What compliance certifications apply to the substitute part?

A: The STGW25M120DF3 carries RoHS3 Compliance certification in addition to REACH Unaffected status and EAR99 ECCN classification, matching the regulatory profile of the original part.

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