IRG4PC40U IGBT 600V 40A Equivalent & Substitute Parts

Part Overview

The IRG4PC40U is a 600V, 40A IGBT manufactured by Infineon Technologies in TO-247AC package configuration. This device is classified as obsolete product status, necessitating identification of active equivalent and substitute components for ongoing design requirements and procurement needs. The part operates across a junction temperature range of -55°C to 150°C with maximum power dissipation of 160W and switching energy specifications of 320µJ (on) and 350µJ (off).

Due to obsolete product status, equivalent active components must be identified to maintain design continuity and ensure long-term component availability for production and field replacement applications.

Substiute Parts

IRG4PC40U

Infineon TechnologiesIn Stock: 1520IRG4PC40U Datasheet

Current PartRFQ

IKW20N60H3FKSA1

Infineon TechnologiesIn Stock: 1029IKW20N60H3FKSA1 Datasheet

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IKW20N60TFKSA1

Infineon TechnologiesIn Stock: 1485IKW20N60TFKSA1 Datasheet

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STGW20V60DF

STMicroelectronicsIn Stock: 1477STGW20V60DF Datasheet

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STGW40H60DLFB

STMicroelectronicsIn Stock: 1344STGW40H60DLFB Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the IRG4PC40U is based on the following critical electrical and mechanical parameters:

Primary Matching Criteria:

• Voltage rating: 600V collector-emitter breakdown voltage
• Current rating: 40A continuous collector current
• Package: TO-247-3 through-hole configuration
• Input type: Standard gate drive

Secondary Compatibility Parameters:

• Vce(on) saturation voltage within acceptable operating range
• Gate charge and switching delay characteristics
• Operating temperature capability
• Power dissipation envelope

Substitute parts are grouped into two categories based on current rating alignment:

Category 1 - Direct Current Rating Match (40A Ic): IKW20N60H3FKSA1, IKW20N60TFKSA1, and STGW20V60DF maintain the 40A collector current specification, providing direct functional equivalence with improved active product status and RoHS3 compliance.

Category 2 - Higher Current Rating (80A Ic): STGW40H60DLFB provides 80A collector current capability, suitable for applications where increased current headroom is acceptable and thermal management permits higher power dissipation (283W vs. 160W).

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (40A Continuous Current Requirement):

IKW20N60TFKSA1 provides the closest electrical match to IRG4PC40U with Vce(on) of 2.05V at 15V, 20A, representing minimal saturation voltage deviation. This Infineon TrenchStop® device maintains active product status with RoHS3 compliance and extended operating temperature range to 175°C. Gate charge of 120nC and switching delays of 18ns (on) / 199ns (off) are compatible with standard gate drive circuits.

STGW20V60DF from STMicroelectronics offers superior switching energy characteristics (200µJ on / 130µJ off) compared to IRG4PC40U (320µJ / 350µJ), resulting in reduced switching losses. Operating temperature range extends to 175°C with RoHS3 compliance. Vce(on) of 2.2V at 15V, 20A remains within acceptable tolerance.

IKW20N60H3FKSA1 provides 170W maximum power dissipation with RoHS3 compliance and extended temperature range to 175°C. Higher switching energy (800µJ) and gate charge (120nC) require verification against gate drive circuit specifications.

For Higher Current Applications (80A Continuous Current Requirement):

STGW40H60DLFB accommodates doubled continuous current (80A) with matched pulsed current (160A) to IRG4PC40U specification. Maximum power dissipation of 283W supports higher thermal loads. RoHS3 compliance and -55 to 175°C operating range ensure regulatory alignment. Gate charge of 210nC requires gate drive circuit validation.

Compliance Considerations:

All substitute parts maintain REACH Unaffected status and EAR99 export classification consistent with IRG4PC40U. RoHS3 compliance of all active substitutes addresses regulatory requirements not met by the obsolete IRG4PC40U.

Frequently Asked Questions (FAQ)

Q: Can IKW20N60TFKSA1 directly replace IRG4PC40U in existing designs?

A: IKW20N60TFKSA1 maintains identical 600V voltage rating, 40A continuous current, and TO-247-3 package configuration. Vce(on) of 2.05V at 15V, 20A is within 0.05V of IRG4PC40U specification. Gate charge of 120nC (vs. 100nC) and switching delays require verification against existing gate drive circuit design margins. No PCB layout modifications are required.

Q: What is the primary difference between the 40A and 80A substitute options?

A: STGW40H60DLFB provides 80A continuous collector current versus 40A in IRG4PC40U and other 40A substitutes. This higher current rating enables operation at doubled current levels with proportionally increased power dissipation (283W vs. 160W). Selection depends on application current requirements and thermal management capability. Pulsed current rating of 160A matches IRG4PC40U specification.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. IKW20N60H3FKSA1, IKW20N60TFKSA1, STGW20V60DF, and STGW40H60DLFB all carry RoHS3 Compliant status. IRG4PC40U is RoHS non-compliant. Substitution addresses regulatory compliance requirements for new designs and procurement.

Q: How do switching energy specifications affect circuit performance?

A: STGW20V60DF exhibits lowest switching energy (200µJ on / 130µJ off), resulting in reduced switching losses and improved efficiency compared to IRG4PC40U (320µJ / 350µJ). IKW20N60H3FKSA1 and IKW20N60TFKSA1 show higher switching energy (800µJ and 770µJ respectively), requiring thermal management verification. Switching energy directly impacts power dissipation and heat sink requirements.

Q: What operating temperature range considerations apply to substitution?

A: IRG4PC40U operates to 150°C junction temperature. All substitute parts extend to 175°C, providing 25°C additional thermal margin. This extended range accommodates higher ambient temperatures and transient thermal events. Designs thermally limited to 150°C remain compatible with all substitutes.

Q: Is gate drive circuit modification required for any substitute?

A: Gate charge specifications range from 100nC (IRG4PC40U) to 210nC (STGW40H60DLFB). Existing gate drive circuits designed for 100nC operation require verification against substitute gate charge values. STGW20V60DF (116nC) and IKW20N60TFKSA1 (120nC) represent minimal deviation. STGW40H60DLFB (210nC) requires gate drive circuit validation to ensure adequate current sourcing capability.

Q: Can STGW40H60DLFB be used in applications designed for 40A operation?

A: STGW40H60DLFB is electrically compatible with 40A applications due to identical 600V voltage rating and TO-247-3 package. The 80A continuous current rating provides design margin without requiring circuit modification. However, gate charge of 210nC (vs. 100nC in IRG4PC40U) requires gate drive circuit verification. Thermal design must accommodate potential increased power dissipation if switching frequency remains constant.

Q: What inventory status should influence substitution decisions?

A: IKW20N60TFKSA1 maintains highest inventory (1429 Pcs), followed by STGW20V60DF (1430 Pcs) and STGW40H60DLFB (1234 Pcs). IKW20N60H3FKSA1 shows lower availability (948 Pcs). For long-term production requirements, IKW20N60TFKSA1 or STGW20V60DF provide superior supply continuity.