STGD7NB60KT4 Equivalent & Substitute Parts

Part Overview

The STGD7NB60KT4 is a 600V, 14A IGBT manufactured by STMicroelectronics in the PowerMESH™ series. This device is rated for 70W maximum power dissipation and is packaged in a surface mount DPAK (TO-252-3) configuration. The part is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity.

Substiute Parts

STGD7NB60KT4

STMicroelectronicsIn Stock: 17976STGD7NB60KT4 Datasheet

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STGD14NC60KT4

STMicroelectronicsIn Stock: 23499STGD14NC60KT4 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the STGD7NB60KT4 is determined by alignment of the following critical electrical and mechanical parameters:

Voltage Rating: Both the main part and substitute must maintain a 600V collector-emitter breakdown voltage to ensure compatibility within the same circuit topology.

Package Configuration: The DPAK surface mount package (TO-252-3, SC-63) is a mandatory requirement for mechanical and thermal compatibility on existing PCB layouts.

Current Handling: The substitute part must support the application's maximum collector current requirements. The STGD7NB60KT4 operates at 14A maximum continuous current; substitutes with higher current ratings remain compatible for applications requiring this specification or lower.

Power Dissipation: Maximum power rating of 70W establishes the thermal envelope. Substitutes with equal or higher power ratings maintain thermal compatibility.

Input Type: Standard input type configuration ensures gate drive compatibility with existing control circuitry.

Compliance Standards: RoHS3 compliance and MSL Level 1 rating are maintained across all substitute options.

The STGD14NC60KT4 qualifies as a direct substitute based on these parameters, offering enhanced current handling (25A) and power dissipation (80W) within the same voltage class and package footprint.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The STGD7NB60KT4 is classified as obsolete. The STGD14NC60KT4 substitute is also obsolete, indicating both parts are no longer in active production. Selection between these parts should prioritize inventory availability and procurement lead times.

Compliance Alignment: Both parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring regulatory and environmental compatibility with current manufacturing standards.

Electrical Performance: The STGD14NC60KT4 demonstrates improved on-state voltage (2.5V versus 2.8V at 7A) and reduced on-switching energy (82µJ versus 95µJ), resulting in lower conduction and switching losses. These characteristics provide thermal margin benefits in applications operating near the STGD7NB60KT4's power dissipation limit.

Current and Power Margin: The substitute part's higher current rating (25A versus 14A) and power rating (80W versus 70W) provide design margin for applications requiring the STGD7NB60KT4's specifications. No circuit redesign is required when substituting the STGD14NC60KT4 in place of the STGD7NB60KT4.

Switching Characteristics: The STGD14NC60KT4 exhibits longer turn-off delay (116ns versus 50ns), which may affect switching frequency performance in high-frequency applications. Gate charge remains comparable (34.4nC versus 32.7nC), maintaining gate drive circuit compatibility.

Temperature Range: The STGD14NC60KT4 specifies an extended operating temperature range (-55°C to 150°C) compared to the STGD7NB60KT4 (150°C maximum), providing additional thermal operating margin.

Frequently Asked Questions (FAQ)

Q: Can the STGD14NC60KT4 directly replace the STGD7NB60KT4 on existing PCBs?

A: Yes. Both parts use identical DPAK surface mount packaging (TO-252-3, SC-63) with the same pinout configuration. No PCB layout modifications are required.

Q: What are the key electrical differences between these parts?

A: The STGD14NC60KT4 provides higher current capacity (25A versus 14A) and power dissipation (80W versus 70W) at the same 600V voltage rating. On-state voltage is lower (2.5V versus 2.8V), and on-switching energy is reduced (82µJ versus 95µJ). Turn-off delay is longer (116ns versus 50ns).

Q: Are both parts still in production?

A: No. Both the STGD7NB60KT4 and STGD14NC60KT4 are classified as obsolete. Procurement should focus on available inventory from authorized distributors.

Q: Will the STGD14NC60KT4 work in applications designed for the STGD7NB60KT4?

A: Yes. The substitute part meets or exceeds all critical specifications of the original part, including voltage rating, package configuration, and compliance standards. Applications designed for the STGD7NB60KT4 operate within the STGD14NC60KT4's electrical envelope.

Q: How do switching characteristics affect circuit performance?

A: The STGD14NC60KT4's longer turn-off delay (116ns versus 50ns) may increase switching losses in high-frequency applications. Conduction losses are reduced due to lower on-state voltage. Overall thermal performance depends on the specific switching frequency and duty cycle of the application.

Q: Are there compliance or environmental differences between these parts?

A: No. Both parts maintain ROHS3 compliance, MSL Level 1 rating, and REACH unaffected status. No compliance-related design changes are required when substituting the STGD14NC60KT4.

Q: What is the significance of the extended temperature range on the STGD14NC60KT4?

A: The STGD14NC60KT4 operates from -55°C to 150°C, compared to the STGD7NB60KT4's 150°C maximum. This extended range provides additional thermal margin for applications operating at elevated ambient temperatures or with high power dissipation.