STB30NF20L Equivalent & Substitute Parts

Part Overview

The STB30NF20L is an N-Channel MOSFET manufactured by STMicroelectronics, rated for 200V drain-to-source voltage with 30A continuous drain current at 25°C. This device is part of the STripFET™ series and is housed in a D2PAK surface mount package. The part maintains Active product status and carries AEC-Q101 automotive qualification with ROHS3 compliance.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to component availability, supply chain considerations, or design flexibility within specified parameter tolerances.

Substiute Parts

STB30NF20L

STMicroelectronicsIn Stock: 1381STB30NF20L Datasheet

Current PartRFQ

IRFS4620TRLPBF

Infineon TechnologiesIn Stock: 16721IRFS4620TRLPBF Datasheet

SimilarRFQ

PHB33NQ20T,118

Nexperia USA Inc.In Stock: 3869PHB33NQ20T,118 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the STB30NF20L are qualified based on the following critical parameters that determine functional equivalence:

Electrical Compatibility Criteria:

• Drain to Source Voltage (Vdss): Must equal 200V
• FET Type: Must be N-Channel MOSFET
• Gate-Source Voltage (Vgs Max): Must support ±20V
• Operating Temperature Range: Must support -55°C to 175°C

Mechanical Compatibility Criteria:

• Package Type: Must be D2PAK (TO-263-3) surface mount
• Mounting Type: Must be surface mount

Performance Tolerance Criteria:

• Continuous Drain Current (Id): Substitute must meet or exceed 30A at 25°C
• Rds On: Substitute must not exceed specified maximum values at rated conditions
• Power Dissipation: Substitute must support thermal requirements of the application

The identified substitutes meet all electrical and mechanical compatibility requirements while maintaining active product status and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

STB30NF20L (Primary Part) The STB30NF20L remains the primary selection when available. This part carries AEC-Q101 automotive qualification and maintains active production status with 1354 units in stock. The device is specified for 30A continuous drain current with 150W power dissipation capability.

IRFS4620TRLPBF (Infineon Technologies) This substitute is suitable for applications where the 24A continuous drain current rating is sufficient for the design requirements. The IRFS4620TRLPBF exhibits lower gate charge (38 nC versus 65 nC), which may reduce switching losses in high-frequency applications. Power dissipation is rated at 144W. This part is available in high volume (16700 units in stock) and maintains ROHS3 compliance and active product status.

PHB33NQ20T,118 (Nexperia USA Inc.) This substitute provides the highest continuous drain current rating at 32.7A and the highest power dissipation capability at 230W. The PHB33NQ20T,118 exhibits the lowest gate charge (32.2 nC), making it advantageous for switching applications requiring minimal drive energy. This part maintains ROHS3 compliance and active product status with 3804 units in stock.

All three parts satisfy the core electrical requirements of 200V Vdss, ±20V Vgs maximum, and -55°C to 175°C operating temperature range. All are housed in D2PAK surface mount packages with identical pinout compatibility.

Frequently Asked Questions (FAQ)

Q: Can the IRFS4620TRLPBF replace the STB30NF20L in all applications?

A: The IRFS4620TRLPBF is suitable for applications where the 24A continuous drain current rating meets design requirements. If the application requires the full 30A capability of the STB30NF20L, the IRFS4620TRLPBF may not be appropriate. Both parts share identical 200V Vdss rating, ±20V Vgs maximum, and D2PAK package compatibility.

Q: What is the primary difference between the PHB33NQ20T,118 and the STB30NF20L?

A: The PHB33NQ20T,118 provides higher continuous drain current (32.7A versus 30A) and significantly higher power dissipation capability (230W versus 150W). The PHB33NQ20T,118 also exhibits lower gate charge (32.2 nC versus 65 nC). Both parts maintain identical 200V Vdss rating and D2PAK package configuration.

Q: Are all three parts pin-compatible?

A: Yes. All three parts use the D2PAK (TO-263-3) package with identical pinout: Gate, Drain, and Source connections are in the same physical locations across all three devices.

Q: Do all substitute parts carry the same compliance certifications?

A: All three parts are ROHS3 compliant, REACH unaffected, and maintain active product status. The STB30NF20L carries AEC-Q101 automotive qualification. Compliance requirements for specific applications should be verified against design specifications.

Q: What is the significance of gate charge differences between these parts?

A: Gate charge (Qg) determines the energy required to switch the MOSFET on and off. The STB30NF20L requires 65 nC, while the IRFS4620TRLPBF requires 38 nC and the PHB33NQ20T,118 requires 32.2 nC. Lower gate charge reduces switching losses and driver power requirements in high-frequency applications.

Q: Can these parts be used interchangeably in automotive applications?

A: The STB30NF20L carries AEC-Q101 automotive qualification. The IRFS4620TRLPBF and PHB33NQ20T,118 do not carry explicit AEC-Q101 designation in the provided specifications. Automotive applications requiring AEC-Q101 qualification should use the STB30NF20L or verify alternative qualification status with the respective manufacturers.

Q: What are the thermal considerations when selecting between these parts?

A: The STB30NF20L is rated for 150W power dissipation, the IRFS4620TRLPBF for 144W, and the PHB33NQ20T,118 for 230W. Applications with high thermal loads may benefit from the PHB33NQ20T,118. All parts operate across the same temperature range (-55°C to 175°C TJ).