IRGP4650DPBF IGBT Equivalent & Substitute Parts

Part Overview

The IRGP4650DPBF is a 600V, 76A IGBT manufactured by Infineon Technologies in TO-247AC package configuration. This device is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity. The part operates at maximum junction temperatures from -55°C to 175°C and delivers 268W power dissipation capability. Substitute parts must maintain electrical compatibility across voltage, current, and thermal operating ranges while accommodating mechanical package variations.

Key Parameters

Parameter	Value	Unit
Voltage - Collector Emitter Breakdown (Max)	600	V
Current - Collector (Ic) (Max)	76	A
Current - Collector Pulsed (Icm)	105	A
Power - Max	268	W
Vce(on) (Max) @ Vge, Ic	1.9V @ 15V, 35A	V
Gate Charge	104	nC
Switching Energy (on/off)	390µJ / 632µJ	µJ
Td (on/off) @ 25°C	46ns / 105ns	ns
Operating Temperature Range	-55 to 175	°C
Package / Case	TO-247-3	—
Mounting Type	Through Hole	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria applied strictly to provided parameters:

Primary Compatibility Criteria:

Voltage - Collector Emitter Breakdown (Max): 600V or higher
Current - Collector (Ic) (Max): 76A or higher
Package / Case: TO-247-3 or mechanically compatible variant
Mounting Type: Through Hole
Operating Temperature Range: Must encompass -55°C to 175°C or equivalent upper limit

Secondary Compatibility Criteria:

Power dissipation capability: 268W or higher preferred
Vce(on) characteristics: Lower or equivalent values indicate improved performance
Gate Charge: Values within ±50% of original support similar drive circuit requirements
Switching Energy: Comparable values ensure circuit timing compatibility

Substitute parts are grouped into two categories: Manufacturer Recommended (direct Infineon alternatives and cross-manufacturer selections) and Direct Alternatives (functionally equivalent parts from other manufacturers meeting all primary criteria).

Parameter Comparison

Part Number	Manufacturer	Vce(br) Max (V)	Ic Max (A)	Icm (A)	Power Max (W)	Vce(on) @ Test (V)	Gate Charge (nC)	Package	Status
IRGP4650DPBF	Infineon	600	76	105	268	1.9 @ 15V, 35A	104	TO-247-3	Obsolete
IKW50N60DTPXKSA1	Infineon	600	80	150	319.2	1.8 @ 15V, 50A	249	PG-TO247-3	Not For New Designs
STGW60H65DFB	STMicroelectronics	650	80	240	375	2.0 @ 15V, 60A	306	TO-247-3	Active
FGH50N6S2D	Fairchild Semiconductor	600	75	240	463	2.7 @ 15V, 30A	70	TO-247-3	Active
IXGH28N60B3D1	IXYS	600	66	150	190	1.8 @ 15V, 24A	62	TO-247-3	Active
IXGH48N60C3D1	IXYS	600	75	250	300	2.5 @ 15V, 30A	77	TO-247-3	Active
IXGH60N60C3D1	IXYS	600	75	300	380	2.5 @ 15V, 40A	115	TO-247-3	Active
IXGH64N60B3	IXYS	600	—	400	460	1.8 @ 15V, 50A	168	TO-247-3	Active
IXGH72N60A3	IXYS	600	75	400	540	1.35 @ 15V, 60A	230	TO-247-3	Active
IXGH90N60B3	IXYS	600	75	500	660	1.8 @ 15V, 90A	172	TO-247-3	Active
IXGK50N60B2D1	IXYS	600	75	200	400	2.0 @ 15V, 40A	140	TO-264-3	Active

Engineering Selection Recommendations

Tier 1 - Direct Replacement (Highest Compatibility):

STGW60H65DFB (STMicroelectronics) meets all primary criteria with active product status. Voltage rating of 650V exceeds the 600V requirement, providing additional design margin. Current rating of 80A accommodates the 76A specification. TO-247-3 package maintains mechanical compatibility. RoHS3 compliance and REACH unaffected status align with regulatory requirements. Power dissipation of 375W exceeds the 268W baseline.

Tier 2 - Functional Equivalents (Infineon Alternatives):

IKW50N60DTPXKSA1 (Infineon TrenchStop™ series) provides 80A current capability and 319.2W power rating. PG-TO247-3 package is mechanically compatible with TO-247-3. Product status is "Not For New Designs," indicating limited long-term availability. Gate charge of 249nC requires verification of gate drive circuit compatibility compared to the original 104nC specification.

Tier 3 - Cross-Manufacturer Alternatives (Active Status):

IXYS GenX3™ series devices (IXGH48N60C3D1, IXGH60N60C3D1, IXGH72N60A3, IXGH90N60B3) provide current ratings of 75A or higher with TO-247-3 package compatibility. All devices maintain 600V voltage rating and active product status. Power dissipation ranges from 300W to 660W, exceeding the 268W requirement. Gate charge values range from 77nC to 230nC; higher values require gate drive circuit assessment.

Tier 4 - Alternative Package Consideration:

IXGK50N60B2D1 (IXYS HiPerFAST™ series) offers TO-264-3 package, which differs mechanically from TO-247-3. This option is suitable only when PCB layout and thermal management accommodate the alternative package footprint.

Compliance Verification:

All recommended substitutes maintain RoHS3 compliance and REACH unaffected status, consistent with the original IRGP4650DPBF specifications. Operating temperature ranges of -55°C to 150°C (IXYS devices) or -55°C to 175°C (STMicroelectronics, Fairchild) satisfy the original -55°C to 175°C requirement.

Frequently Asked Questions (FAQ)

Q1: Can IXGH72N60A3 directly replace IRGP4650DPBF without circuit modifications?

A: IXGH72N60A3 meets voltage (600V), current (75A), and package (TO-247-3) requirements. However, gate charge increases from 104nC to 230nC. Gate drive circuits must be verified to supply adequate charge within acceptable switching time windows. Switching energy characteristics differ significantly (1.38mJ on-state vs. 390µJ original), requiring thermal analysis of the application.

Q2: What is the significance of the TO-247-3 versus TO-247AD package designation?

A: Both designations refer to the same physical TO-247-3 package footprint and pin configuration. TO-247AD is a supplier-specific designation used by IXYS. Mechanical and electrical compatibility is maintained. PCB layouts designed for TO-247-3 accommodate both designations without modification.

Q3: Why does STGW60H65DFB have a 650V rating when the original is 600V?

A: The 650V rating provides additional voltage margin for transient overvoltage conditions common in switching applications. This higher rating does not compromise performance in 600V circuits and enhances reliability. The device remains fully compatible with 600V system designs.

Q4: Is IXGK50N60B2D1 suitable as a substitute despite the TO-264 package difference?

A: IXGK50N60B2D1 meets electrical specifications but requires PCB redesign due to TO-264-3 package footprint differences from TO-247-3. This option is viable only when layout modifications are acceptable. Thermal management characteristics may differ due to package geometry variations.

Q5: How do switching energy differences affect circuit performance?

A: Switching energy (on-state and off-state) determines power dissipation during transitions. Higher switching energy increases thermal load and may require enhanced heat sinking. Lower switching energy reduces EMI and improves efficiency. Application-specific thermal analysis is necessary when substituting parts with significantly different switching energy values.

Q6: What does "Not For New Designs" status mean for IKW50N60DTPXKSA1?

A: This status indicates the manufacturer is not recommending the part for new circuit designs, though existing inventory remains available. Long-term supply continuity is not guaranteed. For new designs, active-status alternatives such as STGW60H65DFB or IXYS GenX3™ series are preferred.

Q7: Are all substitute parts RoHS3 compliant?

A: All recommended substitutes listed maintain RoHS3 compliance and REACH unaffected status, consistent with the original IRGP4650DPBF. Compliance documentation should be verified with the specific supplier for procurement batches.

Q8: How does gate charge affect gate drive circuit design?

A: Gate charge (Qg) determines the total charge required to switch the IGBT fully on or off. Higher gate charge requires larger gate drive current or longer switching times. Original IRGP4650DPBF specifies 104nC. Substitutes range from 62nC to 306nC. Gate drive circuits must supply sufficient current to achieve desired switching speeds without exceeding maximum gate voltage ratings (typically 15V to 20V).

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