IRG4PC40UDPBF IGBT 600V 40A Equivalent & Substitute Parts

Part Overview

The IRG4PC40UDPBF is an IGBT (Insulated Gate Bipolar Transistor) manufactured by Infineon Technologies, rated for 600V collector-emitter breakdown voltage and 40A continuous collector current with 160W maximum power dissipation. The device features a Through Hole TO-247AC package configuration and operates across a temperature range of -55°C to 150°C.

This part is classified as Obsolete. Identifying equivalent and substitute components is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this IGBT specification.

Substiute Parts

IRG4PC40UDPBF

Infineon TechnologiesIn Stock: 1277IRG4PC40UDPBF Datasheet

Current PartRFQ

IKW20N60H3FKSA1

Infineon TechnologiesIn Stock: 1029IKW20N60H3FKSA1 Datasheet

MFR RecommendedRFQ

IKW20N60TFKSA1

Infineon TechnologiesIn Stock: 1485IKW20N60TFKSA1 Datasheet

MFR RecommendedRFQ

IXDR35N60BD1

IXYSIn Stock: 824IXDR35N60BD1 Datasheet

MFR RecommendedRFQ

STGW20V60DF

STMicroelectronicsIn Stock: 1477STGW20V60DF Datasheet

MFR RecommendedRFQ

STGW40H60DLFB

STMicroelectronicsIn Stock: 1344STGW40H60DLFB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IRG4PC40UDPBF is determined by strict alignment of the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

• Voltage - Collector Emitter Breakdown: 600V (exact match required)
• Current - Collector (Ic) (Max): 40A minimum (equal or higher acceptable)
• Mounting Type: Through Hole (required for mechanical compatibility)
• Package / Case: TO-247-3 or equivalent footprint (required for PCB mounting)
• Input Type: Standard (gate drive compatibility)

Secondary Compatibility Parameters:

• Vce(on) (Max): Values within operational range of application circuit
• Gate Charge: Affects gate drive circuit design; higher values acceptable with appropriate driver
• Operating Temperature Range: Must encompass application requirements
• RoHS Status: ROHS3 Compliant (regulatory requirement)

Substitute parts are grouped into two categories based on IGBT technology type and performance characteristics:

Category 1 - Infineon TrenchStop® Field Stop Technology (IKW20N60H3FKSA1, IKW20N60TFKSA1): Active product status, enhanced switching performance, higher operating temperature capability (175°C), improved gate charge characteristics.

Category 2 - STMicroelectronics Trench Field Stop Technology (STGW20V60DF): Active product status, optimized switching energy profile, extended temperature range to 175°C, comparable electrical performance.

Category 3 - Higher Current Rating (STGW40H60DLFB): 80A continuous current rating with 283W power dissipation; suitable for applications requiring higher current capacity while maintaining 600V voltage rating and TO-247 package compatibility.

Category 4 - IXYS NPT Technology (IXDR35N60BD1): 38A continuous current rating, NPT (Non-Punch Through) IGBT technology, ISOPLUS247™ package variant, lower power dissipation (125W).

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Direct Replacement Candidates):

IKW20N60TFKSA1 (Infineon TrenchStop®): This part provides the closest electrical performance match to the IRG4PC40UDPBF with identical 600V/40A ratings. The Vce(on) value of 2.05V is lower than the original part, resulting in reduced conduction losses. Active product status ensures long-term availability. ROHS3 compliance and unlimited moisture sensitivity level (MSL 1) support manufacturing continuity. The extended operating temperature range (-40 to 175°C) exceeds original specifications. Gate charge of 120nC requires gate driver verification but is within acceptable range for standard gate drive circuits.

IKW20N60H3FKSA1 (Infineon TrenchStop®): Offers 600V/40A electrical compatibility with slightly higher Vce(on) (2.4V) and power dissipation (170W). Active product status and ROHS3 compliance confirmed. Higher gate charge (120nC) and reverse recovery time (112ns) require circuit evaluation. Pulsed current rating of 80A is lower than original specification.

STGW20V60DF (STMicroelectronics Trench Field Stop): Provides exact 600V/40A electrical match with optimized switching energy profile (200µJ on, 130µJ off). Vce(on) of 2.2V and gate charge of 116nC are within acceptable operational parameters. Extended temperature range to 175°C and active product status support long-term deployment. ROHS3 compliant.

Secondary Substitute (Higher Current Capability):

STGW40H60DLFB (STMicroelectronics Trench Field Stop): Rated for 80A continuous current with 283W power dissipation. Maintains 600V voltage rating and TO-247-3 package compatibility. Lower Vce(on) (2V @ 15V, 40A) reduces conduction losses. Significantly higher gate charge (210nC) requires gate driver circuit redesign. Suitable for applications requiring increased current headroom or thermal margin. Active product status and ROHS3 compliance confirmed.

Alternative Substitute (Lower Current Rating):

IXDR35N60BD1 (IXYS NPT Technology): Rated for 38A continuous current, slightly below original 40A specification. NPT technology differs from original Field Stop design. ISOPLUS247™ package provides mechanical compatibility with TO-247-3 footprint. Higher Vce(on) (2.7V) and gate charge (140nC) indicate different thermal and drive characteristics. Lower power dissipation (125W) suitable for thermally constrained applications. Active product status and ROHS3 compliance confirmed.

Selection Criteria Summary:

• For direct replacement with minimal circuit modification: IKW20N60TFKSA1 or STGW20V60DF
• For improved thermal performance: STGW40H60DLFB (requires gate driver redesign)
• For lower power dissipation applications: IXDR35N60BD1
• All candidates: Active product status, ROHS3 compliant, Through Hole TO-247-3 package, 600V voltage rating

Frequently Asked Questions (FAQ)

Q1: Can I directly replace IRG4PC40UDPBF with IKW20N60TFKSA1 without circuit modifications?

A: IKW20N60TFKSA1 maintains identical 600V/40A electrical ratings and TO-247-3 package compatibility. Vce(on) is lower (2.05V vs 2.1V), reducing conduction losses. Gate charge is slightly higher (120nC vs 100nC), requiring verification that existing gate driver can supply the additional charge within acceptable switching time. Reverse recovery time is comparable (41ns vs 42ns). No PCB layout changes are required. Gate driver circuit evaluation is recommended.

Q2: What is the difference between Infineon TrenchStop® and STMicroelectronics Trench Field Stop technology?

A: Both are advanced IGBT technologies optimized for reduced switching losses and improved thermal performance compared to standard IGBT designs. IKW20N60H3FKSA1 and IKW20N60TFKSA1 use Infineon's TrenchStop® architecture. STGW20V60DF and STGW40H60DLFB use STMicroelectronics Trench Field Stop technology. Electrical performance is comparable within the 600V/40A class. Switching energy profiles differ slightly; STMicroelectronics parts show lower on-switching energy (200µJ vs 770-800µJ). Selection depends on gate driver compatibility and thermal requirements.

Q3: Why is STGW40H60DLFB listed as a substitute if it has 80A rating instead of 40A?

A: STGW40H60DLFB maintains the critical 600V voltage rating and TO-247-3 package compatibility. The higher 80A continuous current rating provides design margin and thermal headroom for applications operating near the 40A limit. This part is suitable for designs requiring increased current capacity or improved thermal performance. Gate charge is significantly higher (210nC), requiring gate driver circuit redesign. This is a performance upgrade option, not a direct drop-in replacement.

Q4: Is IXDR35N60BD1 a suitable substitute if my application requires exactly 40A?

A: IXDR35N60BD1 is rated for 38A continuous current, which is 2A below the original 40A specification. This part is suitable only for applications with actual current requirements below 38A. If your design operates at or near 40A, this substitute does not meet electrical requirements. The NPT technology and higher Vce(on) (2.7V) also indicate different thermal characteristics. Use this part only when confirmed that application current does not exceed 38A.

Q5: What package compatibility should I verify when substituting these parts?

A: All listed substitutes use TO-247-3 package with Through Hole mounting, matching the original IRG4PC40UDPBF footprint. IXDR35N60BD1 uses ISOPLUS247™ package, which is mechanically compatible with TO-247-3 PCB layouts. No PCB redesign is required for any substitute. Verify that existing heatsink mounting hardware accommodates the selected part's thermal interface. All parts use identical three-pin gate-collector-emitter configuration.

Q6: How do switching energy differences affect circuit performance?

A: Switching energy directly impacts gate driver power dissipation and EMI characteristics. IRG4PC40UDPBF has 710µJ on-switching and 350µJ off-switching energy. STGW20V60DF shows significantly lower values (200µJ on, 130µJ off), reducing switching losses and EMI. IKW20N60H3FKSA1 and IKW20N60TFKSA1 show higher values (770-800µJ), requiring gate driver capable of delivering higher peak current. IXDR35N60BD1 shows highest switching energy (1.6mJ on, 800µJ off). Lower switching energy reduces thermal stress; higher values require more robust gate drive circuits.

Q7: What is the significance of gate charge differences among substitutes?

A: Gate charge determines the total charge required to switch the IGBT from off to on state. IRG4PC40UDPBF requires 100nC. Substitutes range from 116nC to 210nC. Higher gate charge requires gate driver to supply more current or extend switching time. IKW20N60H3FKSA1 and IKW20N60TFKSA1 (120nC) are compatible with most standard gate drivers. STGW40H60DLFB (210nC) requires gate driver redesign or selection of higher-current-rated driver. Verify gate driver specifications before substitution.

Q8: Are all substitutes suitable for the full -55°C to 150°C temperature range of the original part?

A: IRG4PC40UDPBF operates from -55°C to 150°C. IKW20N60H3FKSA1 operates from -40°C to 175°C (lower minimum temperature). IKW20N60TFKSA1 does not specify operating temperature range in provided data. STGW20V60DF and STGW40H60DLFB operate from -55°C to 175°C (full range coverage). IXDR35N60BD1 operates from -55°C to 150°C (exact match). For applications requiring -55°C operation, verify substitute part specifications. Most substitutes extend upper temperature limit to 175°C, providing additional thermal margin.

Q9: What compliance certifications should I verify for substitutes?

A: All listed substitutes are ROHS3 compliant and REACH unaffected, matching the original IRG4PC40UDPBF compliance status. All parts carry EAR99 ECCN classification and 8541.29.0095 HTSUS code. Moisture sensitivity level (MSL) is 1 (Unlimited) for all parts, indicating no special moisture control requirements during storage or handling. Regulatory compliance is equivalent across all substitutes.

Q10: How do I determine which substitute is best for my specific application?

A: Selection depends on three factors: (1) Current requirement—if exactly 40A, use IKW20N60TFKSA1, STGW20V60DF, or IKW20N60H3FKSA1; if higher current margin needed, use STGW40H60DLFB; if below 38A, IXDR35N60BD1 is acceptable. (2) Gate driver capability—verify driver can supply required gate charge (100-210nC range). (3) Thermal requirements—lower Vce(on) reduces conduction losses; compare power dissipation values. (4) Temperature range—confirm substitute meets application temperature extremes. Consult application circuit design specifications and gate driver datasheet before final selection.