IRG4BC15UD IGBT Equivalent & Substitute Parts

Part Overview

The IRG4BC15UD is a 600V, 14A IGBT manufactured by Infineon Technologies in TO-220AB package configuration. This device is classified as obsolete product status, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity. The part operates across a junction temperature range of -55°C to 150°C and is rated for 49W maximum power dissipation. Due to its obsolete classification, equivalent substitute parts with active product status are required for new designs and production continuity.

Substiute Parts

IRG4BC15UD

Infineon TechnologiesIn Stock: 2110IRG4BC15UD Datasheet

Current PartRFQ

IKA15N60TXKSA1

Infineon TechnologiesIn Stock: 800IKA15N60TXKSA1 Datasheet

MFR RecommendedRFQ

STGP10NC60KD

STMicroelectronicsIn Stock: 41342STGP10NC60KD Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the IRG4BC15UD is determined by the following critical parameters:

Voltage Rating: All substitute parts must maintain 600V collector-emitter breakdown voltage to ensure safe operation within the original design envelope.

Current Rating: Substitute parts must support minimum 14A continuous collector current (Ic). Parts with higher current ratings (14.7A or 20A) are acceptable as they provide design margin without requiring circuit modification.

Package Configuration: All substitutes must use TO-220-3 through-hole package to maintain mechanical and thermal compatibility with existing PCB layouts and heatsink interfaces.

Input Type: Standard gate input configuration is required for direct gate drive circuit compatibility.

Operating Temperature Range: Substitute parts must support the original operating range or extended range. The IRG4BC15UD operates -55°C to 150°C; substitutes with -40°C to 175°C range provide extended capability.

Mounting Type: Through-hole mounting is mandatory for mechanical compatibility.

The two identified substitute parts meet these core substitution criteria while offering active product status and improved compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

IKA15N60TXKSA1 Selection Criteria:

The IKA15N60TXKSA1 is manufactured by Infineon Technologies (same OEM as the main part) and features TrenchStop® technology. This part maintains 600V voltage rating and 14.7A continuous current, directly meeting the IRG4BC15UD current specification with minimal margin. The part is ROHS3 compliant and carries active product status. The extended operating temperature range (-40°C to 175°C) provides thermal margin beyond the original specification. Gate charge is elevated at 87nC compared to 23nC in the original part, requiring verification of gate drive circuit capability. This substitute is suitable for designs where gate drive current capacity is adequate and thermal performance is not thermally limited.

STGP10NC60KD Selection Criteria:

The STGP10NC60KD is manufactured by STMicroelectronics and features PowerMESH™ technology. This part provides 20A continuous current, exceeding the IRG4BC15UD requirement by 43%, offering substantial design margin. The 600V voltage rating matches the original specification. ROHS3 compliance and active product status are confirmed. The gate charge of 19nC is lower than the original 23nC, reducing gate drive circuit stress. Operating temperature range matches the original at -55°C to 150°C. This substitute is suitable for designs requiring higher current capacity or where lower gate charge is beneficial for gate drive optimization.

Compliance Basis:

Both substitute parts are ROHS3 compliant, addressing environmental regulatory requirements not met by the obsolete IRG4BC15UD. Both maintain TO-220-3 package configuration and through-hole mounting for direct mechanical compatibility. Selection between the two substitutes depends on gate drive circuit design constraints and thermal management requirements specific to the application.

Frequently Asked Questions (FAQ)

Q: Can the IKA15N60TXKSA1 directly replace the IRG4BC15UD without circuit modification?

A: The IKA15N60TXKSA1 maintains identical voltage rating (600V) and comparable current rating (14.7A vs. 14A). However, gate charge increases from 23nC to 87nC. Gate drive circuits must supply sufficient current to charge the gate within the required switching time. Verify gate drive circuit specifications before substitution.

Q: What is the primary advantage of the STGP10NC60KD over the IKA15N60TXKSA1?

A: The STGP10NC60KD provides 20A continuous current versus 14.7A, offering 43% additional current capacity. Gate charge is lower at 19nC, reducing gate drive circuit demands. These characteristics provide design margin for applications approaching current or switching speed limits.

Q: Are both substitute parts available in the same TO-220-3 package?

A: Both substitute parts use TO-220-3 package configuration. The IKA15N60TXKSA1 is supplied in PG-TO220-3-31 package designation; the STGP10NC60KD uses standard TO-220 designation. Both are mechanically compatible with TO-220-3 PCB footprints and heatsink interfaces.

Q: Does the extended temperature range of the IKA15N60TXKSA1 (-40°C to 175°C) affect substitution suitability?

A: The extended upper temperature limit (175°C vs. 150°C) provides additional thermal margin but does not affect substitution suitability. The lower temperature limit (-40°C vs. -55°C) is less stringent than the original part. Verify application temperature requirements against the -40°C minimum if operation below this threshold is required.

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

A: Vce(on) values are measured at different test conditions across the three parts. The IKA15N60TXKSA1 shows 2.05V at 15A (lower conduction loss), while STGP10NC60KD shows 2.5V at 5A. Direct comparison requires normalizing to identical test conditions. Lower Vce(on) reduces power dissipation and heat generation during conduction.

Q: Can the STGP10NC60KD be used in applications where the IRG4BC15UD was thermally limited?

A: The STGP10NC60KD is rated for 65W maximum power versus 49W for the IRG4BC15UD. However, actual power dissipation depends on application duty cycle and switching frequency. The higher current rating does not automatically improve thermal performance; thermal management design remains application-specific.

Q: Are there inventory considerations for selecting between the two substitutes?

A: The STGP10NC60KD has significantly higher inventory availability (41,300 pcs) compared to the IKA15N60TXKSA1 (709 pcs). For high-volume production, the STGP10NC60KD offers superior supply chain reliability.

Q: Do both substitutes meet RoHS compliance requirements?

A: Both the IKA15N60TXKSA1 and STGP10NC60KD are ROHS3 compliant. The original IRG4BC15UD is RoHS non-compliant. Substitution addresses environmental regulatory requirements for new designs and production.