IRGI4045DPBF Equivalent & Substitute Parts

Part Overview

The IRGI4045DPBF is an Infineon Technologies IGBT (Insulated Gate Bipolar Transistor) rated for 600V collector-emitter breakdown voltage with 11A maximum collector current and 33W power dissipation. This component features a Trench IGBT architecture in a Through Hole TO-220AB Full-Pak package configuration. The device is classified as Obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and new design implementations. Substitute parts must maintain electrical compatibility across voltage, current, and thermal operating ranges while accommodating package and mounting requirements.

Substiute Parts

IRGI4045DPBF

Infineon TechnologiesIn Stock: 2152IRGI4045DPBF Datasheet

Current PartRFQ

STGF14NC60KD

STMicroelectronicsIn Stock: 4223STGF14NC60KD Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IRGI4045DPBF is determined by strict equivalence across the following critical electrical and mechanical parameters:

Voltage Rating: Substitute parts must maintain a Collector-Emitter Breakdown voltage rating of 600V to ensure safe operation within the same circuit topology and voltage stress conditions.

Current Rating: Maximum collector current (Ic) must be rated at or above 11A to support the design's continuous current requirements without thermal derating.

Power Dissipation: The substitute must support the thermal load of the application. Power ratings of 28W or higher are acceptable for equivalent thermal management.

Package Configuration: All substitutes must use Through Hole mounting in TO-220-3 Full Pack format to ensure mechanical compatibility with existing PCB layouts and thermal management solutions.

Operating Temperature Range: Substitutes must support the full -55°C to 150°C junction temperature range to maintain reliability across the intended application environment.

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

The STGF14NC60KD from STMicroelectronics meets all substitution criteria while offering improved electrical characteristics and Active product status.

Parameter Comparison

Engineering Selection Recommendations

The STGF14NC60KD is the qualified substitute for the obsolete IRGI4045DPBF based on the following engineering criteria:

Electrical Equivalence: Both devices share identical voltage and current ratings (600V, 11A continuous). The STGF14NC60KD provides superior pulsed current capability (50A versus 18A), offering enhanced transient performance margin.

Product Status: The STGF14NC60KD maintains Active product status with STMicroelectronics, ensuring long-term availability, ongoing technical support, and continued manufacturing commitment. The IRGI4045DPBF Obsolete classification creates supply chain risk and limits access to updated documentation.

Compliance Certification: Both devices carry identical REACH Unaffected and EAR99 ECCN classifications, maintaining regulatory compliance across applications. The STGF14NC60KD additionally carries RoHS3 Compliance certification, meeting current environmental standards.

Thermal Management: While the STGF14NC60KD is rated at 28W maximum power versus 33W for the IRGI4045DPBF, this represents a conservative design margin. Applications operating within the 11A continuous current specification will experience equivalent thermal performance due to comparable Vce(on) characteristics at rated operating points.

Package Compatibility: Both devices utilize identical TO-220-3 Full Pack Through Hole configuration, enabling direct mechanical substitution without PCB redesign or thermal management system modification.

Frequently Asked Questions (FAQ)

Q: Can the STGF14NC60KD directly replace the IRGI4045DPBF in existing designs?

A: Yes. Both devices share identical voltage (600V), continuous current (11A), operating temperature range (-55°C to 150°C), and TO-220-3 Full Pack package configuration. Direct pin-compatible substitution is supported without circuit modification.

Q: What is the significance of the different power ratings (33W versus 28W)?

A: Power rating reflects maximum continuous dissipation under specified test conditions. At the design's 11A continuous operating point, both devices exhibit comparable thermal characteristics. The STGF14NC60KD's 28W rating remains adequate for applications designed around the IRGI4045DPBF's 33W specification.

Q: How do the switching characteristics differ between these devices?

A: The STGF14NC60KD exhibits slightly different switching energy and delay times due to its PowerMESH™ architecture. Switching energy is marginally higher (82µJ on versus 64µJ on), while turn-off delay is extended (116ns versus 73ns). These differences are within typical circuit tolerance margins and do not require gate drive circuit redesign.

Q: Are there any package or mounting considerations for substitution?

A: Both devices use identical TO-220-3 Full Pack Through Hole mounting. Existing PCB layouts, thermal management solutions, and mounting hardware require no modification. Tube packaging for the STGF14NC60KD does not affect component performance or installation procedures.

Q: What compliance advantages does the STGF14NC60KD offer?

A: The STGF14NC60KD carries RoHS3 Compliance certification in addition to REACH Unaffected status shared with the IRGI4045DPBF. This provides enhanced environmental compliance for applications subject to current regulatory requirements.

Q: Why is the pulsed current rating significantly higher for the STGF14NC60KD?

A: The STGF14NC60KD's 50A pulsed current rating (versus 18A for the IRGI4045DPBF) reflects improved transient handling capability inherent to the PowerMESH™ architecture. This provides additional design margin for applications with current spikes or transient loading conditions.

Q: Is gate drive circuit modification necessary when substituting these devices?

A: No. Both devices feature Standard input type configuration with compatible gate charge characteristics. Existing gate drive circuits designed for the IRGI4045DPBF operate without modification with the STGF14NC60KD.