IRG4BC40W-S IGBT Equivalent & Substitute Parts

Part Overview

The IRG4BC40W-S is a 600V, 40A IGBT manufactured by Infineon Technologies in D2PAK surface mount packaging. This device is classified as obsolete and is no longer in active production. The IRG4BC40W-S was designed for general-purpose switching applications requiring 160W maximum power dissipation with standard input gate drive characteristics.

Due to its obsolete status, direct replacement with active production equivalents is necessary for new designs and ongoing procurement. Substitute parts maintain electrical compatibility through matching voltage ratings, collector current specifications, and package form factors while offering improved performance characteristics and current manufacturing availability.

Key Parameters

Parameter	IRG4BC40W-S	Unit
Voltage - Collector Emitter Breakdown (Max)	600	V
Current - Collector (Ic) (Max)	40	A
Power - Max	160	W
Vce(on) (Max) @ Vge, Ic	2.5V @ 15V, 20A	V
Gate Charge	98	nC
Td (on/off) @ 25°C	27ns/100ns	ns
Operating Temperature Range	-55°C ~ 150°C	°C (TJ)
Package / Case	TO-263-3, D2PAK	-
Mounting Type	Surface Mount	-
Product Status	Obsolete	-
RoHS Status	RoHS non-compliant	-

Substitute Part Grouping Explanation

Substitution eligibility for the IRG4BC40W-S is determined by the following critical parameters:

Mandatory Matching Parameters:

Voltage - Collector Emitter Breakdown (Max): 600V
Current - Collector (Ic) (Max): 40A
Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Mounting Type: Surface Mount
Input Type: Standard

Acceptable Variation Parameters:

Power - Max: Substitute parts must equal or exceed 160W
Vce(on) (Max): Substitute parts must not exceed 2.5V at rated test conditions
Gate Charge: Substitute parts must not exceed 98nC for direct gate drive compatibility
Operating Temperature Range: Substitute parts must support minimum -55°C to 150°C range
RoHS Compliance: Active production substitutes must be RoHS3 compliant

All four substitute parts meet the mandatory matching parameters. The substitute parts represent active production alternatives from Infineon Technologies and STMicroelectronics, offering improved switching characteristics and current manufacturing availability.

Parameter Comparison

Parameter	IRG4BC40W-S	IGB20N60H3ATMA1	IKB20N60H3ATMA1	IKB20N60TATMA1	STGB19NC60HDT4	Unit
Voltage - Collector Emitter Breakdown (Max)	600	600	600	600	600	V
Current - Collector (Ic) (Max)	40	40	40	40	40	A
Power - Max	160	170	170	166	130	W
Vce(on) (Max) @ Vge, Ic	2.5V @ 15V, 20A	2.4V @ 15V, 20A	2.4V @ 15V, 20A	2.05V @ 15V, 20A	2.5V @ 15V, 12A	V
Gate Charge	98	120	120	120	53	nC
Td (on/off) @ 25°C	27ns/100ns	16ns/194ns	16ns/194ns	18ns/199ns	25ns/97ns	ns
Operating Temperature Range	-55°C ~ 150°C	-40°C ~ 175°C	-40°C ~ 175°C	-40°C ~ 175°C	-55°C ~ 150°C	°C (TJ)
Package / Case	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	-
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	-
Product Status	Obsolete	Active	Active	Active	Active	-
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	-

Engineering Selection Recommendations

Primary Substitute: IKB20N60TATMA1

The IKB20N60TATMA1 is the preferred substitute for the IRG4BC40W-S. This part maintains full electrical compatibility with 600V voltage rating and 40A collector current. The IKB20N60TATMA1 features improved on-state voltage (2.05V versus 2.5V), resulting in lower conduction losses. Gate charge of 120nC requires gate drive circuit evaluation but remains within standard industrial gate drive specifications. The device is ROHS3 compliant and in active production with 3372 units in stock. Operating temperature range extends to 175°C, providing enhanced thermal margin.

Secondary Substitute: IGB20N60H3ATMA1 or IKB20N60H3ATMA1

Both IGB20N60H3ATMA1 and IKB20N60H3ATMA1 are functionally equivalent alternatives. These parts offer identical electrical specifications with 600V rating, 40A collector current, and 170W power rating. Both feature 2.4V on-state voltage and 120nC gate charge. These devices are ROHS3 compliant and in active production. The IKB20N60H3ATMA1 has higher inventory availability (3176 units) compared to IGB20N60H3ATMA1 (1968 units).

Alternative Substitute: STGB19NC60HDT4

The STGB19NC60HDT4 from STMicroelectronics is a cross-manufacturer substitute meeting all mandatory electrical parameters. This device features the lowest gate charge (53nC) and fastest switching times, reducing gate drive power requirements. However, maximum power rating is 130W, which is below the original 160W specification. Operating temperature range matches the original part (-55°C to 150°C). The STGB19NC60HDT4 is ROHS3 compliant with highest inventory availability (5213 units).

Compliance Consideration:

All substitute parts are ROHS3 compliant, addressing environmental regulatory requirements. The original IRG4BC40W-S is RoHS non-compliant and should not be used in new designs subject to RoHS directives.

Frequently Asked Questions (FAQ)

Q: Can the IKB20N60TATMA1 directly replace the IRG4BC40W-S without circuit modifications?

A: The IKB20N60TATMA1 maintains identical voltage and current ratings with compatible D2PAK packaging. Gate charge increases from 98nC to 120nC, which may require gate drive circuit evaluation depending on existing driver specifications. On-state voltage improvement (2.05V versus 2.5V) reduces conduction losses without requiring circuit changes.

Q: What is the difference between IGB20N60H3ATMA1 and IKB20N60H3ATMA1?

A: Both parts are functionally equivalent with identical electrical specifications. The primary difference is manufacturer designation and packaging supplier. IGB20N60H3ATMA1 has 1968 units in stock while IKB20N60H3ATMA1 has 3176 units available. Both are ROHS3 compliant active production parts.

Q: Why does the STGB19NC60HDT4 have lower power rating than other substitutes?

A: The STGB19NC60HDT4 is rated at 130W maximum power versus 160W for the original part. This reflects different thermal design and test conditions. The device remains suitable for applications where thermal management maintains junction temperature within specified limits. Lower gate charge (53nC) provides switching efficiency advantages.

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

A: All substitute parts use TO-263-3 D2PAK surface mount packaging with identical pinout and mechanical dimensions. Supplier device package designations vary (PG-TO263-3, PG-TO263-3-2, D2PAK) but represent the same physical form factor suitable for direct PCB replacement.

Q: What is the impact of increased gate charge on gate drive circuits?

A: Gate charge increases from 98nC (original) to 120nC (Infineon substitutes) or decreases to 53nC (STMicroelectronics substitute). Higher gate charge requires proportionally more gate drive current to achieve specified switching times. Existing gate drive circuits rated for 98nC operation should be evaluated for the 120nC alternatives. The 53nC STGB19NC60HDT4 reduces gate drive power requirements.

Q: Which substitute offers the best thermal performance?

A: IGB20N60H3ATMA1 and IKB20N60H3ATMA1 offer the highest power rating (170W) and extended operating temperature range (-40°C to 175°C), providing superior thermal margin. IKB20N60TATMA1 offers improved on-state voltage (2.05V) reducing conduction losses. STGB19NC60HDT4 provides fastest switching characteristics with lowest gate charge.

Q: Is RoHS compliance mandatory for substitute selection?

A: All active production substitute parts are ROHS3 compliant. The original IRG4BC40W-S is RoHS non-compliant. New designs and applications subject to RoHS directives must use compliant substitutes. Existing legacy systems may continue using original parts where regulatory exemptions apply.

Q: Can multiple substitute parts be used interchangeably in the same design?

A: All four substitute parts maintain identical voltage and current ratings with compatible D2PAK packaging. However, differences in gate charge (53nC to 120nC), on-state voltage (2.05V to 2.5V), and switching times require gate drive circuit evaluation for each specific part selection. Production designs should standardize on a single substitute part number.

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