IRG4PC40WPBF IGBT Equivalent & Substitute Parts

Part Overview

The IRG4PC40WPBF is a 600V, 40A IGBT manufactured by Infineon Technologies in TO-247AC packaging. This device is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing design requirements and procurement needs. The part operates at maximum junction temperatures from -55°C to 150°C and is suitable for through-hole applications requiring 160W power dissipation. Due to its obsolete status, active alternatives with comparable electrical and mechanical characteristics are required for new designs and production continuity.

Key Parameters

Parameter	Value	Unit
Voltage - Collector Emitter Breakdown (Max)	600	V
Current - Collector (Ic) (Max)	40	A
Current - Collector Pulsed (Icm)	160	A
Vce(on) (Max) @ Vge, Ic	2.5V @ 15V, 20A	V
Power - Max	160	W
Switching Energy (on/off)	110µJ / 230µJ	µJ
Gate Charge	98	nC
Td (on/off) @ 25°C	27ns / 100ns	ns
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	Through Hole	-
Package / Case	TO-247-3	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the IRG4PC40WPBF is determined by strict alignment of the following critical parameters:

Primary Substitution Criteria:

Voltage - Collector Emitter Breakdown (Max): 600V
Current - Collector (Ic) (Max): 40A minimum
Package / Case: TO-247-3 (mechanical compatibility)
Mounting Type: Through Hole
Input Type: Standard

Secondary Compatibility Factors:

Vce(on) characteristics at rated conditions
Gate Charge and switching delay times
Operating temperature range capability
RoHS3 compliance and regulatory status

Substitute parts are grouped into two categories based on electrical performance alignment:

Category A - Direct Electrical Equivalents (40A rated current): IGW20N60H3FKSA1, IKW20N60H3FKSA1, IKW20N60TFKSA1, STGW20V60DF

These parts maintain the 40A collector current rating and 600V breakdown voltage, ensuring direct functional replacement in applications designed for the IRG4PC40WPBF.

Category B - Higher Current Capability (60A-80A rated current): STGW20NC60V, STGW20NC60VD, STGW40H60DLFB

These parts exceed the 40A requirement and are suitable for applications where increased current handling or thermal margin is beneficial, provided circuit design accommodates the higher ratings.

Category C - Reduced Current Capability (38A rated current): IXDR35N60BD1

This part operates at 38A, marginally below the 40A specification, and is suitable only where application current demands do not exceed 38A.

Parameter Comparison

Parameter	IRG4PC40WPBF	IGW20N60H3FKSA1	IKW20N60H3FKSA1	IKW20N60TFKSA1	IXDR35N60BD1	STGW20NC60V	STGW20NC60VD	STGW20V60DF	STGW40H60DLFB
Voltage - Collector Emitter Breakdown (Max)	600V	600V	600V	600V	600V	600V	600V	600V	600V
Current - Collector (Ic) (Max)	40A	40A	40A	40A	38A	60A	60A	40A	80A
Current - Collector Pulsed (Icm)	160A	80A	80A	60A	48A	100A	150A	80A	160A
Vce(on) (Max) @ Vge, Ic	2.5V @ 15V, 20A	2.4V @ 15V, 20A	2.4V @ 15V, 20A	2.05V @ 15V, 20A	2.7V @ 15V, 35A	2.5V @ 15V, 20A	2.5V @ 15V, 20A	2.2V @ 15V, 20A	2.0V @ 15V, 40A
Power - Max	160W	170W	170W	166W	125W	200W	200W	167W	283W
Gate Charge	98nC	120nC	120nC	120nC	140nC	100nC	100nC	116nC	210nC
Td (on/off) @ 25°C	27ns / 100ns	17ns / 194ns	17ns / 194ns	18ns / 199ns	- / -	31ns / 100ns	31ns / 100ns	38ns / 149ns	- / 142ns
Operating Temperature Range	-55°C ~ 150°C	-40°C ~ 175°C	-40°C ~ 175°C	-	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 175°C	-55°C ~ 175°C
Package / Case	TO-247-3	TO-247-3	TO-247-3	TO-247-3	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	Through Hole	Through Hole	Through Hole	Through Hole
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation - Category A Direct Equivalents:

For applications requiring direct replacement of the IRG4PC40WPBF with minimal circuit redesign, select from the following active parts:

IKW20N60TFKSA1 (Infineon Technologies, TrenchStop® series) is the preferred primary substitute. This part maintains 600V/40A ratings, offers improved Vce(on) performance at 2.05V, and provides extended operating temperature range to 175°C. Product status is active with full RoHS3 compliance and established supply availability (1429 pcs in stock).

IGW20N60H3FKSA1 (Infineon Technologies, TrenchStop® series) serves as an alternative direct equivalent with 600V/40A ratings, Vce(on) of 2.4V, and active product status. Supply availability is confirmed (857 pcs in stock).

IKW20N60H3FKSA1 (Infineon Technologies, TrenchStop® series) provides equivalent electrical performance to IGW20N60H3FKSA1 with additional reverse recovery time specification (112ns). Active product status with 948 pcs in stock.

STGW20V60DF (STMicroelectronics, Trench Field Stop) offers 600V/40A ratings with superior Vce(on) at 2.2V and extended temperature range to 175°C. Active product status with 1430 pcs in stock.

Secondary Recommendation - Category B Higher Current Capability:

For applications where increased current margin or thermal performance is required:

STGW20NC60VD (STMicroelectronics, PowerMESH™ series) provides 600V/60A ratings with identical Vce(on) to the original part (2.5V @ 15V, 20A). Extended operating temperature to 150°C. Highest inventory availability (27348 pcs in stock). Suitable where circuit design accommodates 60A rating.

STGW20NC60V (STMicroelectronics, PowerMESH™ series) offers equivalent electrical performance to STGW20NC60VD without reverse recovery time specification. Active product status with 1256 pcs in stock.

STGW40H60DLFB (STMicroelectronics, Trench Field Stop) provides 600V/80A ratings with superior Vce(on) at 2.0V and extended temperature range to 175°C. Suitable for applications requiring significant current headroom. Active product status with 1234 pcs in stock.

Not Recommended:

IXDR35N60BD1 (IXYS, NPT type) operates at 38A, below the 40A specification of the original part. Selection is limited to applications where maximum continuous current does not exceed 38A. Higher Vce(on) at 2.7V and higher gate charge at 140nC result in increased power dissipation and switching losses compared to alternatives.

All recommended substitutes maintain RoHS3 compliance, REACH unaffected status, and EAR99 ECCN classification consistent with the original part.

Frequently Asked Questions (FAQ)

Q1: Can IGW20N60H3FKSA1 directly replace IRG4PC40WPBF without circuit modifications?

A: Yes. Both parts share identical 600V/40A electrical ratings, TO-247-3 package, and through-hole mounting. Vce(on) characteristics are comparable (2.4V vs. 2.5V at 15V, 20A). Circuit board layout and thermal management remain unchanged. No modifications required.

Q2: What is the difference between IKW20N60H3FKSA1 and IGW20N60H3FKSA1?

A: Both parts are Infineon TrenchStop® devices with identical 600V/40A ratings and Vce(on) specifications. IKW20N60H3FKSA1 includes reverse recovery time specification (112ns), providing additional datasheet detail for switching analysis. Electrical performance is equivalent for most applications.

Q3: Why does STGW40H60DLFB have 80A rating when the original part is 40A?

A: STGW40H60DLFB is a higher-current variant designed for applications requiring increased current capacity or thermal margin. The 80A rating does not prevent use in 40A applications; however, circuit design must accommodate the higher current capability. Gate charge is doubled (210nC vs. 98nC), affecting switching speed and driver requirements.

Q4: Is IXDR35N60BD1 suitable for my application?

A: IXDR35N60BD1 operates at 38A maximum continuous current, below the 40A specification of IRG4PC40WPBF. Selection is appropriate only if application current demands do not exceed 38A. Higher Vce(on) (2.7V) and gate charge (140nC) result in increased power dissipation and switching losses. Verify application current requirements before selection.

Q5: What is the impact of different gate charge values on circuit design?

A: Gate charge affects switching speed and driver circuit requirements. IRG4PC40WPBF specifies 98nC. Substitutes range from 100nC (STGW20NC60V/VD) to 210nC (STGW40H60DLFB). Higher gate charge requires longer switching times and may demand higher driver current capability. Verify driver circuit specifications before selecting parts with significantly different gate charge values.

Q6: Can I use STGW20NC60VD in a circuit designed for 40A operation?

A: Yes. STGW20NC60VD is rated for 60A continuous current, exceeding the 40A requirement. The part operates safely at 40A with improved thermal margin. Vce(on) characteristics are identical to the original part (2.5V @ 15V, 20A). No circuit modifications are required. Higher current rating provides design flexibility for future upgrades.

Q7: What is the significance of operating temperature range differences?

A: IRG4PC40WPBF operates from -55°C to 150°C. Several substitutes extend to 175°C (IGW20N60H3FKSA1, IKW20N60H3FKSA1, IKW20N60TFKSA1, STGW20V60DF, STGW40H60DLFB). Extended range provides additional thermal margin in high-temperature environments. Applications operating within -55°C to 150°C range are unaffected by this difference.

Q8: Are all substitute parts RoHS3 compliant?

A: Yes. All recommended substitute parts are RoHS3 compliant and REACH unaffected, matching the regulatory status of IRG4PC40WPBF. All parts carry EAR99 ECCN classification. Compliance documentation is available from manufacturers upon request.

Q9: What is the difference between Trench Field Stop and NPT IGBT types?

A: Trench Field Stop (TFS) technology, used in most recommended substitutes, provides improved switching performance and lower Vce(on) compared to NPT (Non-Punch-Through) technology. IXDR35N60BD1 uses NPT technology, resulting in higher Vce(on) (2.7V) and higher gate charge (140nC). TFS variants are preferred for applications prioritizing efficiency and switching speed.

Q10: Which substitute offers the best thermal performance?

A: STGW40H60DLFB provides the highest power rating (283W) and lowest Vce(on) (2.0V @ 15V, 40A), resulting in lowest power dissipation and superior thermal performance. However, this part is rated for 80A continuous current. For 40A applications, STGW20V60DF offers improved thermal performance (167W, 2.2V Vce(on)) compared to the original part (160W, 2.5V Vce(on)) while maintaining 40A rating.

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