IRLR2905CPBF N-Channel MOSFET 55V 36A DPAK Equivalent & Substitute Parts

Part Overview

The IRLR2905CPBF is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 55V drain-to-source voltage and 36A continuous drain current in a Surface Mount TO-252AA (DPAK) package. This device is classified as obsolete product status. Due to its obsolete classification, equivalent and substitute parts from active product lines are necessary for ongoing design support, production continuity, and long-term component availability.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	IRLR2905CPBF	—
Manufacturer	Infineon Technologies	—
FET Type	N-Channel	—
Technology	MOSFET (Metal Oxide)	—
Drain to Source Voltage (Vdss)	55	V
Current - Continuous Drain (Id) @ 25°C	36	A (Ta)
Mounting Type	Surface Mount	—
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the IRLR2905CPBF is determined by the following critical parameters:

Primary Substitution Criteria:

FET Type: N-Channel
Technology: MOSFET (Metal Oxide)
Package / Case: TO-252-3, DPAK (2 Leads + Tab), SC-63
Mounting Type: Surface Mount
Drain to Source Voltage (Vdss): Equal to or greater than 55V
Current - Continuous Drain (Id): Equal to or greater than 36A

Secondary Compatibility Factors:

Moisture Sensitivity Level (MSL): 1 (Unlimited) preferred
Product Status: Active status preferred for long-term availability
RoHS Compliance: ROHS3 Compliant preferred

The substitute parts listed below meet the primary substitution criteria. All candidates maintain identical package geometry, mounting technology, and electrical classification. Voltage and current ratings are equal to or exceed the original specification, ensuring functional compatibility in applications designed for the IRLR2905CPBF.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Package	Product Status	RoHS
IRLR2905CPBF	Infineon	55	36 (Ta)	—	TO-252-3 DPAK	Obsolete	—
STD30NF06LT4	STMicroelectronics	60	35 (Tc)	28 @ 18A, 10V	TO-252-3 DPAK	Active	ROHS3
STD60NF55LT4	STMicroelectronics	55	60 (Tc)	15 @ 30A, 10V	TO-252-3 DPAK	Active	ROHS3
STD25NF10LT4	STMicroelectronics	100	25 (Tc)	35 @ 12.5A, 10V	TO-252-3 DPAK	Active	ROHS3
STD25NF10T4	STMicroelectronics	100	25 (Tc)	38 @ 12.5A, 10V	TO-252-3 DPAK	Active	ROHS3
STD26NF10	STMicroelectronics	100	25 (Tc)	38 @ 12.5A, 10V	TO-252-3 DPAK	Active	ROHS3
STD15NF10T4	STMicroelectronics	100	23 (Tc)	65 @ 12A, 10V	TO-252-3 DPAK	Active	ROHS3
STD20NF06LT4	STMicroelectronics	60	24 (Tc)	40 @ 12A, 10V	TO-252-3 DPAK	Active	ROHS3
IPD30N10S3L34ATMA1	Infineon	100	30 (Tc)	31 @ 30A, 10V	TO-252-3 DPAK	Active	ROHS3
FDD13AN06A0-F085	onsemi	60	50 (Tc)	13.5 @ 50A, 10V	TO-252-3 DPAK	Active	ROHS3

Engineering Selection Recommendations

Primary Substitute (Best Match): STD30NF06LT4 and STD60NF55LT4 are the closest functional equivalents. STD30NF06LT4 provides 60V rating with 35A continuous current, matching the original 36A specification within measurement tolerance. STD60NF55LT4 matches the exact 55V voltage rating with enhanced 60A current capability. Both are STMicroelectronics STripFET™ series devices with active product status and ROHS3 compliance, ensuring long-term availability and regulatory compliance.

Secondary Substitutes (Higher Voltage Rating): STD25NF10LT4, STD25NF10T4, and STD26NF10 operate at 100V with 25A continuous current. These are suitable for applications where higher voltage margin is acceptable and current requirements do not exceed 25A. All three maintain active product status and ROHS3 compliance.

Alternative from Infineon: IPD30N10S3L34ATMA1 is an Infineon OptiMOS™ series device rated 100V / 30A with active product status. This option maintains manufacturer continuity while providing enhanced voltage headroom.

Alternative from onsemi: FDD13AN06A0-F085 is an onsemi PowerTrench® device rated 60V / 50A with AEC-Q101 automotive qualification. This part offers superior current handling and is suitable for automotive-grade applications.

All recommended substitutes share identical TO-252-3 DPAK package geometry, Surface Mount mounting technology, and MSL 1 moisture sensitivity rating. Selection should be based on specific application voltage and current requirements, thermal management constraints, and supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can STD30NF06LT4 directly replace IRLR2905CPBF? A: STD30NF06LT4 is functionally compatible. It provides 60V rating (5V higher than original 55V) and 35A continuous current (within 1A of original 36A specification). Identical TO-252-3 DPAK package allows direct PCB substitution. Verify gate drive voltage compatibility in your circuit design.

Q: What is the difference between STD25NF10LT4 and STD25NF10T4? A: Both are STMicroelectronics STripFET™ II devices with identical electrical ratings: 100V / 25A. The primary difference is drive voltage specification: STD25NF10LT4 specifies 4.5V/10V drive voltage, while STD25NF10T4 specifies 10V only. Both are suitable substitutes; selection depends on available gate drive voltage in your application.

Q: Why do some substitutes have lower current ratings than the original? A: STD25NF10LT4, STD25NF10T4, STD26NF10, and STD15NF10T4 are rated for 25A or 23A continuous current, below the original 36A specification. These parts are listed as substitutes because they meet the minimum voltage requirement (55V or higher) and package compatibility. Use these only if your application current requirement is 25A or less.

Q: Is STD60NF55LT4 a better choice than STD30NF06LT4? A: STD60NF55LT4 matches the exact 55V voltage rating and provides 60A continuous current, exceeding the original 36A specification. This part offers superior current handling and lower on-resistance (15mOhm vs. 28mOhm). Selection depends on thermal management capability and cost considerations. Both are active, ROHS3-compliant products.

Q: Can I use FDD13AN06A0-F085 in non-automotive applications? A: Yes. FDD13AN06A0-F085 is an onsemi PowerTrench® device with AEC-Q101 automotive qualification. Automotive-qualified components meet stringent reliability and quality standards applicable to all industrial and commercial applications. This part is suitable for any application requiring 60V / 50A capability in TO-252-3 DPAK package.

Q: What does "Tc" versus "Ta" mean in current ratings? A: "Tc" indicates continuous drain current measured at case temperature (typically 25°C). "Ta" indicates continuous drain current measured at ambient temperature. Tc ratings are generally higher than Ta ratings for the same device. The original IRLR2905CPBF specifies 36A (Ta), while most substitutes specify current at Tc. Consult thermal management requirements for your specific application.

Q: Are all substitute parts RoHS compliant? A: Yes. All listed substitute parts are ROHS3 compliant. The original IRLR2905CPBF RoHS status was not specified in available data. All active substitutes meet current RoHS3 environmental and regulatory requirements.

Q: Can I use IPD30N10S3L34ATMA1 as a direct replacement? A: IPD30N10S3L34ATMA1 is functionally compatible. It is an Infineon OptiMOS™ series device rated 100V / 30A in identical TO-252-3 DPAK package. The 100V rating provides higher voltage margin than the original 55V specification. Current rating of 30A is below the original 36A; use this part only if your application current requirement does not exceed 30A.

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