IRG4IBC10UD Equivalent & Substitute Parts

Part Overview

The IRG4IBC10UD is a 600V, 6.8A IGBT manufactured by Infineon Technologies in TO-220-3 Full Pack configuration. This device is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and component procurement. The part operates across an industrial temperature range of -55°C to 150°C and is suitable for through-hole mounting applications requiring moderate power dissipation up to 25W.

Substiute Parts

IRG4IBC10UD

Infineon TechnologiesIn Stock: 2009IRG4IBC10UD Datasheet

Current PartRFQ

STGF6NC60HD

STMicroelectronicsIn Stock: 2016STGF6NC60HD Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IRG4IBC10UD is determined by strict equivalence across the following critical electrical and mechanical parameters:

Voltage Rating: Both main and substitute parts must maintain 600V collector-emitter breakdown voltage to ensure safe operation within the same circuit topology.

Current Rating: The substitute part current rating must not fall below the application requirement. The IRG4IBC10UD specifies 6.8A maximum collector current; the STGF6NC60HD provides 6A, which represents a 12% reduction in continuous current capacity.

Package and Mounting: Both parts utilize TO-220-3 Full Pack configuration with through-hole mounting, ensuring mechanical and thermal interface compatibility without PCB redesign.

Input Type: Both devices employ standard gate drive input architecture, maintaining compatibility with existing gate drive circuits.

Operating Temperature Range: Both parts support -55°C to 150°C junction temperature operation, preserving thermal performance envelope.

Switching Characteristics: Gate charge, switching delay times, and reverse recovery time parameters influence circuit performance but do not prevent substitution when the substitute exhibits comparable or superior switching behavior.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The IRG4IBC10UD is classified as obsolete, while the STGF6NC60HD maintains active product status with 2000 units in stock versus 1900 units of the obsolete part. Active status ensures long-term availability and continued manufacturer support.

Compliance and Certification: The STGF6NC60HD is RoHS3 compliant, whereas the IRG4IBC10UD is RoHS non-compliant. For applications subject to RoHS directives or customer requirements mandating RoHS compliance, the STGF6NC60HD is the required selection. Both parts maintain REACH Unaffected status and EAR99 export classification.

Current Rating Derating: The STGF6NC60HD continuous collector current rating of 6A represents a 12% reduction from the IRG4IBC10UD specification of 6.8A. Applications operating at or above 6.5A continuous current require retention of the original part or circuit redesign to accommodate lower current capacity.

Power Dissipation Margin: The substitute part maximum power rating of 20W versus 25W for the original part reduces thermal design margin by 20%. Thermal analysis must confirm that application power dissipation remains within the 20W envelope with adequate safety factor.

Switching Performance: The STGF6NC60HD exhibits superior switching characteristics with 70% faster turn-on delay and 25% faster reverse recovery time. These improvements reduce switching losses and may enhance overall circuit efficiency compared to the original part.

Frequently Asked Questions (FAQ)

Q: Can the STGF6NC60HD directly replace the IRG4IBC10UD without PCB modification?

A: Yes, both parts utilize identical TO-220-3 Full Pack configuration and through-hole mounting. No PCB layout changes are required. Gate drive circuit compatibility is maintained through identical standard input type specification.

Q: What is the primary limitation of the STGF6NC60HD as a substitute?

A: The substitute part specifies 6A maximum continuous collector current versus 6.8A for the original part, representing a 12% current derating. Applications requiring continuous currents above 6A must be evaluated to confirm operation within the substitute part's rating with appropriate thermal margin.

Q: Does the STGF6NC60HD provide equivalent thermal performance?

A: The substitute part maximum power dissipation is rated at 20W compared to 25W for the original part. Thermal performance depends on PCB copper area, heatsink design, and ambient conditions. Thermal analysis is required to confirm adequate heat dissipation within the 20W power envelope.

Q: Are there compliance advantages to selecting the STGF6NC60HD?

A: Yes. The STGF6NC60HD is RoHS3 compliant, whereas the IRG4IBC10UD is RoHS non-compliant. For applications subject to RoHS directives or customer specifications requiring RoHS compliance, the STGF6NC60HD is the appropriate selection.

Q: How do switching characteristics differ between these parts?

A: The STGF6NC60HD exhibits faster switching performance with turn-on delay of 12ns versus 40ns for the original part, and reverse recovery time of 21ns versus 28ns. These improvements reduce switching energy losses and may enhance circuit efficiency. Turn-off delay remains comparable at 76ns versus 87ns.

Q: Is the STGF6NC60HD suitable for high-frequency switching applications?

A: The substitute part's improved switching characteristics, including lower gate charge (13.6nC versus 15nC) and faster switching delays, support higher frequency operation compared to the original part. However, frequency capability is ultimately determined by the complete gate drive circuit and application topology.

Q: What inventory status should influence the substitution decision?

A: The IRG4IBC10UD is obsolete with 1900 units in stock. The STGF6NC60HD is active product with 2000 units available. For new designs or long-term production, the active status of the STGF6NC60HD ensures continued availability and manufacturer support beyond the limited inventory of the obsolete part.