IRGP4640-EPBF IGBT 600V 65A 250W Equivalent & Substitute Parts

Part Overview

The IRGP4640-EPBF is an Insulated Gate Bipolar Transistor (IGBT) manufactured by Infineon Technologies, rated for 600V collector-emitter breakdown voltage with 65A maximum collector current and 250W power dissipation in a Through Hole TO-247AD package. This device is classified as obsolete product status. Due to obsolescence, equivalent and substitute parts from active manufacturers are necessary to maintain design continuity and ensure long-term supply chain reliability for applications requiring 600V IGBT functionality in the 65-75A current range.

Key Parameters

Parameter	Value	Unit
Voltage - Collector Emitter Breakdown (Max)	600	V
Current - Collector (Ic) (Max)	65	A
Current - Collector Pulsed (Icm)	72	A
Power - Max	250	W
Vce(on) (Max) @ Vge, Ic	1.9V @ 15V, 24A	V
Gate Charge	75	nC
Switching Energy (on/off)	100µJ / 600µJ	µJ
Td (on/off) @ 25°C	40ns / 105ns	ns
Operating Temperature Range	-40 to 175	°C
Mounting Type	Through Hole	—
Package / Case	TO-247-3	—
Supplier Device Package	TO-247AD	—

Substitute Part Grouping Explanation

Substitution of the IRGP4640-EPBF is determined by the following critical parameters:

Primary Matching Criteria:

Voltage - Collector Emitter Breakdown: 600V (minimum requirement)
Current - Collector (Ic): 65A minimum; 75-80A acceptable for higher current margin
Package / Case: TO-247-3 or TO-247AD (mechanical and thermal compatibility)
Mounting Type: Through Hole (PCB assembly compatibility)
Operating Temperature Range: -40°C to 175°C minimum

Secondary Compatibility Factors:

Vce(on) characteristics at rated current
Gate Charge and switching timing parameters
Power dissipation capability
Product Status: Active preferred for long-term availability

Substitute parts are grouped into two categories:

Category 1 - Direct Voltage/Current Match (600V, 65-75A): Parts meeting the exact voltage specification and current rating within the 65-75A range with TO-247-3 packaging. These include IXGH28N60B3D1, IXGH48N60C3D1, IXGH60N60C3D1, and IXGH72N60A3 from IXYS, plus FGH50N6S2D from Fairchild Semiconductor and HGTG30N60A4D from onsemi.

Category 2 - Enhanced Specifications (600V, 75-80A): Parts exceeding the original current rating with improved power handling and active product status. These include IGW40N60H3FKSA1 from Infineon Technologies (80A, 306W) and STGW40H65FB from STMicroelectronics (80A, 283W, 650V rated).

Parameter Comparison

Part Number	Manufacturer	Vce(br)max (V)	Ic(max) (A)	Icm (A)	Power (W)	Vce(on) (V)	Package	Status
IRGP4640-EPBF	Infineon	600	65	72	250	1.9 @ 15V, 24A	TO-247AD	Obsolete
IXGH28N60B3D1	IXYS	600	66	150	190	1.8 @ 15V, 24A	TO-247AD	Active
IXGH48N60C3D1	IXYS	600	75	250	300	2.5 @ 15V, 30A	TO-247AD	Active
IXGH60N60C3D1	IXYS	600	75	300	380	2.5 @ 15V, 40A	TO-247AD	Active
IXGH72N60A3	IXYS	600	75	400	540	1.35 @ 15V, 60A	TO-247AD	Active
FGH50N6S2D	Fairchild	600	75	240	463	2.7 @ 15V, 30A	TO-247-3	Active
HGTG30N60A4D	onsemi	600	75	240	463	2.6 @ 15V, 30A	TO-247-3	Active
HGTG40N60A4	onsemi	600	75	300	625	2.7 @ 15V, 40A	TO-247-3	Obsolete
IGW40N60H3FKSA1	Infineon	600	80	160	306	2.4 @ 15V, 40A	TO-247-3	Active
STGW40H65FB	STMicroelectronics	650	80	160	283	2.3 @ 15V, 40A	TO-247-3	Active

Engineering Selection Recommendations

For Direct Replacement with Minimum Design Changes:

IXGH28N60B3D1 provides the closest electrical match to the IRGP4640-EPBF with identical 600V rating, 66A current capability, and TO-247AD packaging. This part maintains the same gate charge (62nC vs. 75nC) and similar Vce(on) characteristics (1.8V vs. 1.9V at comparable test conditions). Product status is Active with RoHS3 compliance and unlimited moisture sensitivity level.

For Enhanced Performance with Active Supply:

IXGH72N60A3 offers superior specifications including 75A current rating, 540W power dissipation, and significantly lower Vce(on) (1.35V @ 60A). This part is Active status with RoHS3 compliance. The TO-247AD package maintains mechanical compatibility. Higher switching energy (1.38mJ on, 3.5mJ off) requires circuit evaluation for gate drive capability.

For Highest Current Margin and Long-Term Availability:

IGW40N60H3FKSA1 from Infineon Technologies provides 80A current rating with 306W power dissipation in TO-247-3 package. Active product status ensures supply continuity. Trench Field Stop technology delivers improved switching characteristics. RoHS3 compliant with unlimited MSL rating.

For Voltage Margin Applications:

STGW40H65FB from STMicroelectronics offers 650V breakdown voltage (50V margin above 600V requirement) with 80A current rating and 283W power dissipation. Active status with RoHS3 compliance. Extended operating temperature range (-55°C to 175°C) provides additional design margin.

Compliance Considerations:

All recommended active substitutes carry RoHS3 compliance and REACH Unaffected status, matching the regulatory profile of the original part. Moisture Sensitivity Level 1 (Unlimited) is maintained across IXYS and Infineon options, ensuring handling compatibility with existing assembly processes.

Frequently Asked Questions (FAQ)

Q: Can IXGH28N60B3D1 directly replace IRGP4640-EPBF without circuit modifications?

A: IXGH28N60B3D1 is electrically compatible as a direct substitute. Both parts share 600V breakdown voltage, similar current ratings (66A vs. 65A), identical TO-247AD packaging, and comparable Vce(on) characteristics. Gate charge is slightly lower (62nC vs. 75nC), which may require minor gate drive circuit evaluation but does not prevent substitution. No PCB layout changes are required.

Q: What is the difference between TO-247-3 and TO-247AD packaging?

A: Both designations refer to the same three-lead Through Hole package with identical pin configuration and thermal characteristics. TO-247AD is the supplier-specific designation used by IXYS and Infineon. TO-247-3 is the generic industry standard designation. Parts are mechanically and electrically interchangeable on the same PCB footprint.

Q: Why do some substitutes have higher current ratings (75-80A) than the original 65A?

A: Higher current ratings provide design margin for thermal management and transient current spikes. A 75A or 80A rated device operating at 65A continuous current experiences lower junction temperature and improved reliability. This is a conservative engineering practice and does not create compatibility issues. The device will operate within its safe operating area at the lower current level.

Q: Is STGW40H65FB with 650V rating suitable for a 600V application?

A: Yes. The 650V breakdown voltage specification exceeds the 600V requirement, providing 50V safety margin. This is acceptable and beneficial for applications with potential voltage transients or overshoot conditions. The part operates safely at 600V nominal bus voltage with improved reliability margin.

Q: What is the impact of different Vce(on) values on circuit performance?

A: Vce(on) determines conduction losses and junction temperature rise. Lower Vce(on) reduces power dissipation. IXGH72N60A3 with 1.35V @ 60A offers superior efficiency compared to IRGP4640-EPBF at 1.9V @ 24A. However, the actual impact depends on your specific operating current and duty cycle. At 24A operation, differences are minimal. At higher currents (40-60A), lower Vce(on) devices provide measurable efficiency improvement.

Q: Are there package alternatives if TO-247-3 footprint cannot be used?

A: IXGK72N60B3H1 provides identical electrical specifications to IXGH72N60A3 but in TO-264 (IXGK) package. This is a different footprint requiring PCB redesign. All other recommended substitutes maintain TO-247-3 or TO-247AD compatibility with the original design.

Q: Which substitute offers the best balance of availability and performance?

A: IGW40N60H3FKSA1 from Infineon Technologies combines active product status (19,504 units in stock inventory), 80A current rating, 306W power dissipation, and Trench Field Stop technology for improved switching performance. This part is manufactured by the same company as the original IRGP4640-EPBF, ensuring design philosophy consistency and long-term supply security.

Q: Do all substitutes meet RoHS3 and REACH compliance?

A: All recommended active substitutes carry RoHS3 Compliant status and REACH Unaffected designation, matching the regulatory profile of the original IRGP4640-EPBF. This ensures compatibility with modern procurement and environmental requirements.

Q: What is the significance of gate charge differences between parts?

A: Gate charge (Qg) determines the energy required to switch the IGBT on and off. IRGP4640-EPBF requires 75nC. IXGH28N60B3D1 requires 62nC (lower), while IXGH72N60A3 requires 230nC (higher). Lower gate charge enables faster switching with lower gate drive power. Higher gate charge requires more robust gate drive circuitry but may offer better noise immunity. Verify gate drive circuit capability before selecting parts with significantly different Qg values.

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