IRGS4B60KPBF IGBT 600V 12A Equivalent & Substitute Parts

Part Overview

The IRGS4B60KPBF is an NPT (Non-Punch Through) IGBT manufactured by Infineon Technologies, rated for 600V collector-emitter breakdown voltage with a maximum collector current of 12A and 63W power dissipation. This component is packaged in a D2PAK (TO-263-3) surface mount configuration and is classified as obsolete. Due to its obsolete product status, identification of functionally equivalent substitute components is necessary for design continuity, procurement alternatives, and long-term supply chain management.

Substiute Parts

IRGS4B60KPBF

Infineon TechnologiesIn Stock: 1071IRGS4B60KPBF Datasheet

Current PartRFQ

STGB8NC60KDT4

STMicroelectronicsIn Stock: 2197STGB8NC60KDT4 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the IRGS4B60KPBF is determined by the following critical parameters:

Voltage Rating: The substitute must maintain the 600V collector-emitter breakdown voltage specification to ensure safe operation within the same circuit topology.

Current Rating: The substitute must support a minimum collector current (Ic) rating equal to or greater than 12A to handle the design load requirements.

Package Compatibility: The substitute must use the D2PAK (TO-263-3) surface mount package to ensure mechanical and thermal compatibility with existing PCB layouts and thermal management solutions.

Input Type: The substitute must feature a standard gate input type to maintain gate drive circuit compatibility.

Mounting Type: Surface mount configuration is required for compatibility with automated assembly processes and existing board designs.

The STGB8NC60KDT4 from STMicroelectronics meets all substitution criteria. It provides 600V voltage rating, 15A collector current (exceeding the 12A requirement), maintains D2PAK packaging, and operates with standard gate input configuration.

Parameter Comparison

Engineering Selection Recommendations

The STGB8NC60KDT4 is the qualified substitute for the IRGS4B60KPBF based on the following engineering criteria:

Voltage and Current Compatibility: Both devices operate at 600V breakdown voltage. The STGB8NC60KDT4 provides 15A collector current, which exceeds the 12A requirement of the original design, ensuring adequate current margin.

Package and Thermal Compatibility: Both components use identical D2PAK (TO-263-3) surface mount packaging, enabling direct PCB layout compatibility and equivalent thermal management through the tab connection.

Product Status and Supply Chain: The STGB8NC60KDT4 maintains active product status with 2100 pieces in stock, providing reliable long-term availability compared to the obsolete IRGS4B60KPBF.

Compliance and Certifications: The STGB8NC60KDT4 is RoHS3 compliant and REACH unaffected, meeting current regulatory requirements. Both devices share identical ECCN (EAR99) and HTSUS (8541.29.0095) classifications.

Operating Temperature Consideration: The STGB8NC60KDT4 operates to 150°C junction temperature, compared to 175°C for the original part. Design thermal analysis must confirm that the application does not require operation above 150°C.

Frequently Asked Questions (FAQ)

Q: Can the STGB8NC60KDT4 directly replace the IRGS4B60KPBF without PCB modifications?

A: Yes. Both devices use identical D2PAK (TO-263-3) packaging with the same pin configuration (2 leads plus tab). Direct PCB substitution is possible without layout changes.

Q: What are the key differences between these two IGBTs?

A: The primary differences are: (1) STGB8NC60KDT4 provides higher collector current (15A vs. 12A); (2) STGB8NC60KDT4 has lower turn-on switching energy (55µJ vs. 73µJ) but higher turn-off energy (85µJ vs. 47µJ); (3) STGB8NC60KDT4 has higher gate charge (19nC vs. 12nC); (4) STGB8NC60KDT4 maximum junction temperature is 150°C versus 175°C for the original.

Q: Will the gate drive circuit require adjustment when switching to the STGB8NC60KDT4?

A: Both devices feature standard gate input type. The STGB8NC60KDT4 requires higher gate charge (19nC vs. 12nC), which may require verification of gate drive current capability. Existing gate drive circuits designed for 12nC gate charge should be evaluated for adequate current sourcing at the specified switching frequency.

Q: Is the STGB8NC60KDT4 suitable for applications requiring 175°C junction temperature operation?

A: No. The STGB8NC60KDT4 is rated to 150°C maximum junction temperature. Applications requiring sustained operation above 150°C require alternative component selection or thermal design modification.

Q: What is the impact of different switching energy characteristics?

A: The STGB8NC60KDT4 exhibits lower turn-on energy (55µJ vs. 73µJ), reducing switching losses during device activation. However, turn-off energy is higher (85µJ vs. 47µJ), increasing losses during device deactivation. Total switching loss per cycle must be calculated based on the specific application switching frequency and duty cycle.

Q: Are there any moisture sensitivity or handling differences?

A: The STGB8NC60KDT4 has MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions. The original IRGS4B60KPBF lists MSL as Not Applicable. The substitute offers superior moisture handling characteristics for storage and assembly environments.