IRG4BC30FD-SPBF IGBT 600V 31A Equivalent & Substitute Parts

Part Overview

The IRG4BC30FD-SPBF is a 600V, 31A IGBT manufactured by Infineon Technologies in D2PAK surface mount packaging. This device is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and production continuity. The part operates across a junction temperature range of -55°C to 150°C and delivers 100W maximum power dissipation. Substitute parts must maintain electrical compatibility within the 600V collector-emitter breakdown voltage class while accommodating variations in current rating, power handling, and switching characteristics.

Substiute Parts

IRG4BC30FD-SPBF

Infineon TechnologiesIn Stock: 1655IRG4BC30FD-SPBF Datasheet

Current PartRFQ

IKB15N60TATMA1

Infineon TechnologiesIn Stock: 2333IKB15N60TATMA1 Datasheet

MFR RecommendedRFQ

IKB20N60TATMA1

Infineon TechnologiesIn Stock: 3465IKB20N60TATMA1 Datasheet

MFR RecommendedRFQ

STGB14NC60KDT4

STMicroelectronicsIn Stock: 2260STGB14NC60KDT4 Datasheet

MFR RecommendedRFQ

STGB15H60DF

STMicroelectronicsIn Stock: 1358STGB15H60DF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the IRG4BC30FD-SPBF is determined by the following critical parameters:

Primary Compatibility Criteria:

• Voltage - Collector Emitter Breakdown (Max): 600V (exact match required)
• Package / Case: TO-263-3, D2PAK (mechanical and thermal compatibility)
• Mounting Type: Surface Mount (PCB assembly compatibility)
• Input Type: Standard (gate drive compatibility)

Secondary Compatibility Criteria:

• Current - Collector (Ic) (Max): Minimum 31A (equal or higher acceptable)
• Power - Max: Minimum 100W (equal or higher acceptable)
• Operating Temperature Range: Must encompass application requirements
• RoHS Status: ROHS3 Compliant (regulatory requirement)

The four substitute parts identified—IKB15N60TATMA1, IKB20N60TATMA1, STGB14NC60KDT4, and STGB15H60DF—all meet the primary compatibility criteria. Variations in current rating, power dissipation, switching energy, and gate charge reflect different IGBT technology generations and internal architectures, but do not preclude functional substitution when application thermal and electrical budgets accommodate the differences.

Parameter Comparison

Engineering Selection Recommendations

IKB15N60TATMA1 (Infineon TrenchStop®)

This part is recommended as the primary substitute for applications requiring current ratings at or below 30A. The IKB15N60TATMA1 maintains the same 600V voltage class and D2PAK package footprint. It delivers 130W maximum power, exceeding the original 100W specification. The part is active in production with ROHS3 compliance. Operating temperature range extends to 175°C, providing enhanced thermal margin. Gate charge of 87nC and switching energy of 570µJ represent the TrenchStop® technology generation. This substitute is suitable for direct replacement in designs where the 30A current ceiling is acceptable.

IKB20N60TATMA1 (Infineon TrenchStop®)

This part addresses applications requiring higher current capacity up to 40A. The IKB20N60TATMA1 maintains 600V voltage rating and D2PAK packaging. Maximum power rating of 166W provides substantial thermal headroom. Active production status and ROHS3 compliance are confirmed. Operating temperature extends to 175°C. Gate charge of 120nC and switching energy of 770µJ reflect the higher current capability. This substitute is appropriate for designs where the original 31A specification requires margin or where future current scaling is anticipated.

STGB14NC60KDT4 (STMicroelectronics PowerMESH™)

This part is suitable for applications where current requirements are constrained to 25A or lower. The STGB14NC60KDT4 maintains 600V voltage class and D2PAK package compatibility. Maximum power of 80W is lower than the original specification; thermal design verification is required. Active production status and ROHS3 compliance are confirmed. Operating temperature range matches the original part at -55°C to 150°C. Gate charge of 34.4nC is the lowest among substitutes, reducing gate drive power requirements. This substitute is appropriate for cost-optimized designs where current and power margins are not critical.

STGB15H60DF (STMicroelectronics Trench Field Stop)

This part provides balanced performance across current, power, and thermal specifications. The STGB15H60DF maintains 600V voltage rating and D2PAK packaging. Maximum power of 115W exceeds the original 100W specification. Active production status and ROHS3 compliance are confirmed. Operating temperature extends to 175°C. Gate charge of 81nC and switching energy of 136µJ/207µJ represent mid-range performance. Reverse recovery time of 103ns is notably higher than other substitutes. This substitute is appropriate for general-purpose applications where performance balance is prioritized.

Frequently Asked Questions (FAQ)

Q: Can the IRG4BC30FD-SPBF be directly replaced with any of these substitute parts?

A: Direct replacement is possible only if the application circuit and thermal design accommodate the electrical parameter variations listed in the Parameter Comparison table. The 600V voltage rating and D2PAK package are identical across all parts. However, differences in current rating, power dissipation, gate charge, and switching energy may require circuit validation. Consult application-specific thermal and electrical budgets before implementation.

Q: Which substitute part is closest to the original IRG4BC30FD-SPBF specifications?

A: The STGB15H60DF provides the closest match in current rating (30A vs. 31A original) and power dissipation (115W vs. 100W original). Vce(on) of 2.0V is also nearest to the original 1.8V specification. However, reverse recovery time of 103ns is significantly higher than the original 42ns, which may affect switching losses in high-frequency applications.

Q: What is the impact of higher gate charge on circuit design?

A: Gate charge directly affects gate drive power requirements and switching speed. The IKB20N60TATMA1 has the highest gate charge at 120nC, requiring more gate drive current and potentially longer switching transitions. The STGB14NC60KDT4 has the lowest gate charge at 34.4nC, reducing gate drive power. Existing gate drive circuits must be evaluated to confirm adequate current sourcing capability for the selected substitute.

Q: Are all substitute parts available in the same packaging options?

A: All substitute parts use TO-263-3 (D2PAK) surface mount packaging, ensuring mechanical and thermal compatibility. However, packaging options differ: IKB15N60TATMA1 and IKB20N60TATMA1 are supplied in Tape & Reel (TR); STGB14NC60KDT4 is supplied in Cut Tape (CT) & Digi-Reel®; STGB15H60DF is supplied in Tape & Reel (TR). Verify packaging availability with your supplier for production volume requirements.

Q: What is the significance of the Trench Field Stop technology designation?

A: Trench Field Stop is an IGBT technology that reduces switching losses and improves thermal performance compared to standard IGBT architectures. IKB15N60TATMA1, IKB20N60TATMA1, and STGB15H60DF incorporate this technology. The IRG4BC30FD-SPBF does not specify this technology, indicating it uses a different internal architecture. Trench Field Stop devices typically exhibit lower switching energy and faster switching transitions, which may reduce overall system power dissipation.

Q: Can these parts be used interchangeably in the same PCB design?

A: Yes, all substitute parts share identical D2PAK footprints and pin configurations, enabling direct PCB layout compatibility. However, thermal design must be re-evaluated for each substitute due to differences in power dissipation and thermal characteristics. Gate drive circuit validation is also required to confirm adequate current sourcing for the selected part's gate charge specification.

Q: What is the product status significance for long-term supply?

A: The IRG4BC30FD-SPBF is classified as obsolete, indicating discontinued production and limited remaining inventory. All four substitute parts are classified as active, confirming ongoing production and long-term supply availability. For new designs and production continuity, selection of an active substitute part is essential to avoid future supply disruptions.

Q: How do switching energy differences affect application performance?

A: Switching energy directly impacts power dissipation and thermal load. The IRG4BC30FD-SPBF exhibits 630µJ turn-on and 1.39mJ turn-off energy. The STGB14NC60KDT4 has the lowest switching energy at 82µJ/155µJ, reducing thermal load. The IKB20N60TATMA1 has the highest at 770µJ, increasing thermal requirements. Application switching frequency and thermal budget determine the acceptable switching energy range for each substitute.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all substitute parts are confirmed ROHS3 compliant, matching the original IRG4BC30FD-SPBF compliance status. All parts are also REACH unaffected and classified under ECCN EAR99 with HTSUS code 8541.29.0095, ensuring regulatory and trade compliance equivalence.