IRG4BC20UD IGBT Equivalent & Substitute Parts

Part Overview

The IRG4BC20UD is a 600V, 13A IGBT manufactured by Infineon Technologies in TO-220AB packaging. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and production continuity. The part operates across a temperature range of -55°C to 150°C and is designed for through-hole mounting applications requiring standard input gate drive characteristics.

Substiute Parts

IRG4BC20UD

Infineon TechnologiesIn Stock: 2331IRG4BC20UD Datasheet

Current PartRFQ

STGP6NC60HD

STMicroelectronicsIn Stock: 1673STGP6NC60HD Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IRG4BC20UD is determined by strict equivalence across the following critical parameters:

Voltage Rating: The substitute part must maintain a Collector-Emitter breakdown voltage of 600V to ensure circuit protection and operational safety.

Current Rating: The substitute must support a continuous collector current (Ic) of at least 13A to handle the design load without thermal stress.

Pulsed Current: The substitute must accommodate pulsed collector current (Icm) requirements to support transient conditions.

Power Dissipation: The substitute must be rated for at least 60W maximum power to maintain thermal margins.

Saturation Voltage (Vce(on)): The substitute must demonstrate comparable on-state voltage characteristics to preserve circuit efficiency and heat generation profiles.

Gate Charge & Switching Characteristics: The substitute must exhibit compatible gate charge, switching delay times (Td on/off), and reverse recovery time to maintain gate drive circuit compatibility and switching performance.

Package & Mounting: The substitute must use TO-220-3 through-hole packaging to ensure mechanical and electrical compatibility with existing PCB layouts.

Input Type: The substitute must feature standard input gate drive characteristics.

The STGP6NC60HD from STMicroelectronics meets these substitution criteria across all specified parameters.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The IRG4BC20UD is classified as obsolete. The STGP6NC60HD is classified as active, ensuring long-term availability and continued manufacturer support for production environments.

Compliance & Certification: The IRG4BC20UD is RoHS non-compliant. The STGP6NC60HD is ROHS3 compliant, meeting current regulatory requirements for new designs and manufacturing operations. Both parts are REACH unaffected and carry EAR99 ECCN classification.

Electrical Compatibility: The STGP6NC60HD provides equivalent voltage and current ratings with improved switching characteristics. The reduced gate charge (13.6nC vs. 27nC) and faster switching times (Td on: 12ns vs. 39ns) indicate enhanced performance in gate drive efficiency. The lower reverse recovery time (21ns vs. 37ns) reduces switching losses.

Thermal Performance: Both parts operate across the identical temperature range (-55°C to 150°C TJ). The STGP6NC60HD's lower switching energy on-state (20µJ vs. 160µJ) contributes to reduced thermal generation during high-frequency switching operations.

Mechanical Compatibility: Both parts use TO-220-3 through-hole packaging, ensuring direct PCB layout compatibility without redesign requirements.

Frequently Asked Questions (FAQ)

Q: Can the STGP6NC60HD directly replace the IRG4BC20UD in existing designs?

A: Yes. Both parts share identical voltage ratings (600V), compatible current ratings (15A vs. 13A), matching TO-220-3 packaging, and standard input gate drive characteristics. The STGP6NC60HD's higher continuous current rating (15A) and improved switching characteristics provide enhanced performance margins.

Q: What are the key differences in switching performance?

A: The STGP6NC60HD exhibits significantly faster switching times. Turn-on delay is reduced from 39ns to 12ns, and turn-off delay is reduced from 93ns to 76ns. Gate charge is reduced from 27nC to 13.6nC, requiring less gate drive energy. Reverse recovery time is reduced from 37ns to 21ns, lowering switching losses.

Q: Are there thermal management differences?

A: The STGP6NC60HD demonstrates lower switching energy during the on-state (20µJ vs. 160µJ), which reduces thermal generation during switching transitions. Both parts maintain identical maximum power ratings and operating temperature ranges, so thermal management strategies remain consistent.

Q: Does the STGP6NC60HD require gate drive circuit modifications?

A: No. Both parts feature standard input gate drive characteristics and compatible gate charge specifications. The reduced gate charge of the STGP6NC60HD may allow for faster gate drive response, but existing gate drive circuits designed for the IRG4BC20UD will operate correctly with the substitute.

Q: What is the compliance advantage of the STGP6NC60HD?

A: The STGP6NC60HD is ROHS3 compliant, whereas the IRG4BC20UD is RoHS non-compliant. This compliance status is essential for new product designs and manufacturing operations subject to current environmental regulations.

Q: Are there any pulsed current limitations with the STGP6NC60HD?

A: The STGP6NC60HD has a lower pulsed collector current rating (21A vs. 52A). Applications requiring pulsed currents exceeding 21A must evaluate thermal and circuit protection requirements independently. For standard continuous operation at 13A, this difference does not impact functionality.

Q: Is the TO-220 packaging identical between both parts?

A: Both parts use TO-220-3 through-hole packaging. The IRG4BC20UD is supplied in TO-220AB variant, while the STGP6NC60HD is supplied in standard TO-220. Both are mechanically and electrically compatible with TO-220-3 PCB footprints.