IRFS3307 N-Channel MOSFET 75V 130A D2PAK Equivalent & Substitute Parts

Part Overview

The IRFS3307 is an N-Channel MOSFET manufactured by Infineon Technologies in the HEXFET® series, rated for 75V drain-to-source voltage and 130A continuous drain current in a D2PAK surface mount package. This device is classified as obsolete product status. Due to its obsolescence, equivalent and substitute parts from active product lines are necessary to maintain design continuity and ensure long-term component availability for new designs and production requirements.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	75	V
Continuous Drain Current (Id) @ 25°C	130	A
Rds On (Max) @ 75A, 10V	6.3	mOhm
Gate Threshold Voltage (Vgs(th)) @ 150µA	4	V
Gate Charge (Qg) @ 10V	180	nC
Power Dissipation (Max)	250	W
Operating Temperature Range	-55 to 175	°C
Package Type	D2PAK (TO-263-3)	—
Mounting Type	Surface Mount	—
FET Type	N-Channel	—

Substitute Part Grouping Explanation

Substitution of the IRFS3307 is determined by the following critical parameters:

Voltage Rating Compatibility: Substitute parts must have Vdss equal to or greater than 75V. Parts rated at 80V are acceptable as they provide equivalent or superior voltage margin.

Current Rating Compatibility: The continuous drain current (Id) of substitute parts must be equal to or greater than 130A to maintain or exceed the original current handling capability.

On-Resistance (Rds On): Substitute parts should have Rds On values comparable to or lower than the original 6.3 mOhm specification to ensure equivalent or improved thermal performance and power efficiency.

Package Compatibility: All substitute parts must use D2PAK (TO-263-3) or mechanically equivalent surface mount packages to ensure PCB layout compatibility without redesign.

Gate Charge (Qg): Gate charge values should be within reasonable range to maintain gate drive circuit compatibility and switching performance characteristics.

Operating Temperature Range: All substitute parts must support the full -55°C to 175°C operating temperature range.

Product Status: Active product status is preferred to ensure long-term availability and supply chain stability.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Qg (nC)	Power Diss. (W)	Package	Status
IRFS3307	Infineon	75	130	6.3 @ 75A, 10V	180 @ 10V	250	D2PAK	Obsolete
STB140NF75T4	STMicroelectronics	75	120	7.5 @ 70A, 10V	218 @ 10V	310	D2PAK	Active
STB150NF55T4	STMicroelectronics	55	120	6 @ 60A, 10V	190 @ 10V	300	D2PAK	Active
IPB054N08N3GATMA1	Infineon	80	80	5.4 @ 80A, 10V	69 @ 10V	150	D2PAK	Active
IPB067N08N3GATMA1	Infineon	80	80	6.7 @ 73A, 10V	56 @ 10V	136	D2PAK	Active
STH140N8F7-2	STMicroelectronics	80	90	4 @ 45A, 10V	96 @ 10V	200	H2PAK-2	Active
BUK9609-75A,118	NXP USA Inc.	75	75	8.5 @ 25A, 10V	—	230	D2PAK	Active
PSMN008-75B,118	Nexperia USA Inc.	75	75	8.5 @ 25A, 10V	122.8 @ 10V	230	D2PAK	Active
PSMN5R0-80BS,118	Nexperia USA Inc.	80	100	5.1 @ 25A, 10V	101 @ 10V	270	D2PAK	Active
PSMN6R5-80BS,118	Nexperia USA Inc.	80	100	6.9 @ 15A, 10V	71 @ 10V	210	D2PAK	Active

Engineering Selection Recommendations

Primary Substitutes (Voltage and Current Match):

STB140NF75T4 from STMicroelectronics is the closest functional equivalent, maintaining the 75V voltage rating and providing 120A continuous drain current with active product status and RoHS3 compliance. This part is recommended for applications where the original 75V rating is a design requirement.

PSMN5R0-80BS,118 from Nexperia USA Inc. provides 80V voltage rating with 100A continuous drain current in D2PAK package, active status, and RoHS3 compliance. This part is suitable for applications tolerant of slightly higher voltage rating.

Secondary Substitutes (Higher Voltage Rating):

IPB054N08N3GATMA1 and IPB067N08N3GATMA1 from Infineon Technologies both feature 80V ratings with active product status and RoHS3 compliance. These parts are suitable for designs where 80V voltage margin is acceptable. Current ratings of 80A are lower than the original specification.

Compliance Considerations:

All recommended active substitutes comply with RoHS3 requirements and REACH regulations. BUK9609-75A,118 from NXP USA Inc. carries AEC-Q101 automotive qualification, suitable for automotive applications requiring this certification.

Package Compatibility:

STH140N8F7-2 uses H2PAK-2 package instead of D2PAK, requiring PCB layout modification and is not recommended for direct substitution without design review.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with higher voltage rating than the original IRFS3307?

A: Yes. The IRFS3307 is rated for 75V. Substitute parts rated at 80V provide equivalent or superior voltage margin and are electrically compatible. Higher voltage ratings do not negatively impact circuit performance in applications designed for 75V operation.

Q: What is the minimum continuous drain current required for a substitute part?

A: The substitute part must have continuous drain current (Id) equal to or greater than 130A to maintain the original current handling capability. Parts with lower current ratings (such as 80A or 100A) are not suitable for applications requiring the full 130A specification.

Q: Are all substitute parts compatible with the original D2PAK footprint?

A: Most substitute parts listed use D2PAK (TO-263-3) or equivalent packages and are footprint-compatible. STH140N8F7-2 uses H2PAK-2 package and requires PCB layout modification. Verify package designation before component selection.

Q: What does "obsolete" product status mean for the IRFS3307?

A: Obsolete status indicates the manufacturer has discontinued production and support. Existing inventory may be available, but long-term supply cannot be guaranteed. Active substitute parts ensure continued availability for future production runs and design updates.

Q: How do I determine if a substitute part's on-resistance (Rds On) is acceptable?

A: Compare Rds On values at equivalent gate voltage (10V) and similar current levels. The IRFS3307 specifies 6.3 mOhm at 75A, 10V. Substitute parts with equal or lower Rds On values provide equivalent or improved thermal performance. Higher Rds On values increase power dissipation and heat generation.

Q: Are there any compliance differences between substitute parts?

A: All active substitute parts listed comply with RoHS3 and REACH regulations. BUK9609-75A,118 includes AEC-Q101 automotive qualification. Verify compliance requirements for your specific application before selection.

Q: What is gate charge (Qg) and why does it matter for substitution?

A: Gate charge represents the total charge required to switch the MOSFET on or off. The IRFS3307 specifies 180 nC at 10V. Substitute parts with significantly different gate charge values may require gate drive circuit adjustment. Parts with lower gate charge (such as 56-96 nC) switch faster and reduce gate drive power consumption.

Q: Can I use PSMN5R0-80BS,118 or PSMN6R5-80BS,118 as direct replacements?

A: These parts provide 80V voltage rating and 100A continuous drain current in D2PAK package with active status and RoHS3 compliance. They are suitable for applications where 100A current rating is sufficient. The 80V rating provides voltage margin above the original 75V specification.

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