IRG4BC30F-STRL IGBT Equivalent & Substitute Parts

Part Overview

The IRG4BC30F-STRL is a 600V, 31A IGBT manufactured by Infineon Technologies in D2PAK surface mount packaging. This device is classified as obsolete, making equivalent substitute parts necessary for new designs and production continuity. The IRG4BC30F-STRL was designed for high-voltage switching applications requiring 100W power dissipation capability. Due to its obsolete status, identifying compatible alternatives with equivalent electrical and mechanical characteristics is essential for maintaining design functionality and supply chain reliability.

Substiute Parts

IRG4BC30F-STRL

Infineon TechnologiesIn Stock: 1235IRG4BC30F-STRL Datasheet

Current PartRFQ

STGB15H60DF

STMicroelectronicsIn Stock: 1358STGB15H60DF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IRG4BC30F-STRL is determined by strict alignment of the following critical parameters:

Voltage Rating: The substitute must maintain 600V collector-emitter breakdown voltage to ensure safe operation in the original circuit topology.

Current Rating: The substitute current rating must be within acceptable tolerance of the original 31A maximum collector current. The STGB15H60DF provides 30A, which is functionally equivalent for applications designed around the IRG4BC30F-STRL specifications.

Package Compatibility: Both devices must use identical or pin-compatible packaging. The IRG4BC30F-STRL and STGB15H60DF both use TO-263-3 (D2PAK) surface mount packaging with 2 leads plus tab, ensuring mechanical and thermal compatibility on existing PCB layouts.

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

Power Dissipation: The substitute must support equivalent or greater power handling. The STGB15H60DF provides 115W maximum power, exceeding the original 100W specification.

Surface Mount Technology: Both devices are surface mount components, maintaining manufacturing process compatibility.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The IRG4BC30F-STRL is classified as obsolete, creating supply chain risk for ongoing production and field replacements. The STGB15H60DF is active status, ensuring long-term availability and manufacturing support from STMicroelectronics.

Compliance Status: The STGB15H60DF achieves ROHS3 compliance, whereas the IRG4BC30F-STRL is RoHS non-compliant. For applications subject to RoHS regulations or customer requirements, the STGB15H60DF provides regulatory alignment.

Electrical Equivalence: The 600V voltage rating and 30A/31A current ratings establish functional equivalence for the primary switching application. The STGB15H60DF's 115W power rating exceeds the original 100W specification, providing thermal margin.

Packaging Compatibility: Identical TO-263-3 D2PAK packaging ensures direct PCB layout compatibility without redesign. Both devices mount identically on existing surface mount assembly equipment.

Thermal and Switching Characteristics: The STGB15H60DF exhibits faster switching off-time (118ns versus 200ns), which may reduce switching losses in high-frequency applications. Higher gate charge (81nC versus 51nC) requires verification of gate drive circuit capability to deliver adequate charge within the switching cycle.

Frequently Asked Questions (FAQ)

Q: Can the STGB15H60DF directly replace the IRG4BC30F-STRL on existing PCBs?

A: Yes. Both devices use identical TO-263-3 D2PAK packaging with the same pin configuration (2 leads plus tab). No PCB layout modifications are required for mechanical and electrical connection.

Q: What is the significance of the 1A difference in maximum collector current (31A versus 30A)?

A: The 1A difference is within normal manufacturing tolerance and does not affect functional equivalence. Applications designed for 31A operation will operate within specification at 30A, with the STGB15H60DF providing adequate current capacity for the intended switching function.

Q: Why is the gate charge higher on the STGB15H60DF (81nC versus 51nC)?

A: Gate charge differences reflect different IGBT process technology. The STGB15H60DF uses Trench Field Stop technology. Higher gate charge requires the gate drive circuit to supply more charge per switching cycle. Verify that existing gate drive circuitry can deliver 81nC within the required switching time without exceeding maximum gate voltage ratings.

Q: Does the faster switching off-time of the STGB15H60DF (118ns versus 200ns) affect circuit operation?

A: Faster switching off-time reduces switching losses and may improve efficiency in high-frequency applications. This is a performance advantage. Verify that the gate drive circuit can support the faster switching transition without introducing excessive EMI or voltage overshoot.

Q: Is the STGB15H60DF suitable for applications requiring the full 120A pulsed current of the original IRG4BC30F-STRL?

A: The STGB15H60DF specifies 60A pulsed current, which is lower than the original 120A specification. Applications requiring sustained pulsed currents above 60A must be evaluated against the STGB15H60DF datasheet to confirm suitability. For applications operating within 60A pulsed current limits, the substitute is appropriate.

Q: What compliance advantages does the STGB15H60DF provide?

A: The STGB15H60DF is ROHS3 compliant and carries active product status. The IRG4BC30F-STRL is RoHS non-compliant and obsolete. For new designs or applications subject to RoHS regulations, the STGB15H60DF eliminates compliance risk and ensures long-term supply availability.

Q: Are there any gate drive circuit modifications required when substituting the STGB15H60DF?

A: The higher gate charge (81nC versus 51nC) may require gate drive circuit verification to ensure adequate charge delivery within the switching cycle. Review the gate drive circuit specifications against the STGB15H60DF datasheet to confirm compatibility. Standard gate drive circuits typically accommodate this variation without modification.