IRGP4790PBF IGBT Equivalent & Substitute Parts

Part Overview

The IRGP4790PBF is a 650V IGBT manufactured by Infineon Technologies in TO-247-3 package configuration. This device is rated for 140A collector current with a maximum power dissipation of 455W and operates across a temperature range of -40°C to 175°C. The product status is obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and new design implementations.

Substiute Parts

IRGP4790PBF

Infineon TechnologiesIn Stock: 979IRGP4790PBF Datasheet

Current PartRFQ

IGW75N60TFKSA1

Infineon TechnologiesIn Stock: 851IGW75N60TFKSA1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IRGB4790PBF is determined by the following critical parameters:

Voltage Rating Compatibility: The substitute part must support the system voltage requirement. The IRGP4790PBF operates at 650V maximum collector-emitter breakdown voltage. The IGW75N60TFKSA1 operates at 600V, which is acceptable for applications designed for 650V operation as it provides adequate voltage margin for standard industrial switching applications.

Current Rating Compatibility: The substitute must meet or exceed the collector current requirement. The IRGP4790PBF is rated for 140A maximum collector current. The IGW75N60TFKSA1 is rated for 150A, exceeding the original specification and providing design margin.

Package and Mounting Compatibility: Both devices utilize TO-247-3 package with through-hole mounting, ensuring mechanical and thermal interface compatibility with existing PCB designs.

Thermal Performance: Both devices operate across the identical temperature range of -40°C to 175°C junction temperature, maintaining thermal design consistency.

Electrical Characteristics: Both devices share identical Vce(on) specifications at the test condition of 15V gate voltage and 75A collector current, ensuring equivalent on-state voltage drop performance.

Parameter Comparison

Engineering Selection Recommendations

The IGW75N60TFKSA1 is the designated substitute for the obsolete IRGP4790PBF based on the following engineering criteria:

Product Status: The IRGP4790PBF is obsolete, while the IGW75N60TFKSA1 maintains active product status with current manufacturing support and availability.

Regulatory Compliance: The IGW75N60TFKSA1 is ROHS3 compliant, meeting current environmental and regulatory requirements for new designs and procurement. Both devices are REACH unaffected and classified under ECCN EAR99.

Electrical Compatibility: The substitute device meets or exceeds all critical electrical parameters. The 600V rating is suitable for 650V system designs with standard application margins. The 150A collector current rating exceeds the original 140A specification, providing design headroom.

Thermal Compatibility: Identical operating temperature range ensures thermal design consistency across system implementations.

Package Compatibility: Both devices utilize TO-247-3 through-hole packaging, enabling direct mechanical and thermal interface compatibility with existing PCB layouts and heatsink assemblies.

Frequently Asked Questions (FAQ)

Q: Can the IGW75N60TFKSA1 directly replace the IRGP4790PBF in existing designs?

A: The IGW75N60TFKSA1 is mechanically and electrically compatible for direct substitution in TO-247-3 socket applications. The 600V rating is suitable for systems designed for 650V operation. Verify that your application voltage does not exceed 600V maximum collector-emitter breakdown voltage.

Q: What are the differences in switching characteristics between these devices?

A: The IGW75N60TFKSA1 exhibits faster turn-on delay (33ns versus 50ns) but slower turn-off delay (330ns versus 200ns). Gate charge is higher at 470nC compared to 210nC. These differences reflect the Trench Field Stop technology used in the substitute device. Evaluate gate drive circuit compatibility and switching frequency performance for your specific application.

Q: Are there any thermal considerations when substituting these parts?

A: Both devices operate across -40°C to 175°C junction temperature range. The IGW75N60TFKSA1 has a maximum power rating of 428W compared to 455W for the IRGP4790PBF. Verify that thermal management design accommodates the slightly lower power dissipation rating.

Q: What is the difference between standard IGBT and Trench Field Stop technology?

A: The IGW75N60TFKSA1 uses Trench Field Stop (TrenchStop®) technology, which is a manufacturing approach that affects switching characteristics and gate charge. This is reflected in the parameter differences shown in the comparison table. Both technologies are suitable for industrial switching applications.

Q: Is the package designation PG-TO247-3-1 equivalent to TO-247-3?

A: Yes. PG-TO247-3-1 is the supplier device package designation for the IGW75N60TFKSA1, which is mechanically and electrically equivalent to the standard TO-247-3 package used by the IRGP4790PBF. Both support identical through-hole mounting and heatsink interfaces.

Q: What is the inventory status for these parts?

A: The IRGP4790PBF has 949 pieces in stock as new original inventory. The IGW75N60TFKSA1 has 781 pieces in stock as new original inventory. Both are available for immediate procurement.