IRF2804STRR N-Channel 40V 75A MOSFET Equivalent & Substitute Parts

Part Overview

The IRF2804STRR is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 40V drain-to-source voltage with 75A continuous drain current at 25°C. The device is housed in a D2PAK (TO-263-3) surface mount package and is designed for high-current switching applications. With a maximum power dissipation of 330W at the case temperature and an operating temperature range of -55°C to 175°C, this component serves in power conversion and motor control circuits.

The IRF2804STRR carries an Obsolete product status. Locating equivalent substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements. The provided substitute parts maintain electrical compatibility within the 40V MOSFET category while offering active product status and improved compliance certifications.

Key Parameters

Parameter	Value	Unit
Drain-to-Source Voltage (Vdss)	40	V
Continuous Drain Current (Id) @ 25°C	75	A (Tc)
On-Resistance (Rds On) @ 75A, 10V	2	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	4	V
Gate Charge (Qg) @ 10V	240	nC
Power Dissipation (Max)	330	W (Tc)
Operating Temperature Range	-55 to 175	°C (TJ)
Package Type	D2PAK (TO-263-3)	Surface Mount
Vgs (Max)	±20	V

Substitute Part Grouping Explanation

Substitution eligibility for the IRF2804STRR is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Drain-to-Source Voltage (Vdss): Must equal 40V
Package Type: Must be D2PAK (TO-263-3) surface mount
FET Type: Must be N-Channel MOSFET
Technology: Must be Metal Oxide (MOSFET)
Operating Temperature Range: Must support -55°C to 175°C minimum
Gate Voltage (Vgs Max): Must support ±20V or greater

Secondary Compatibility Parameters:

Continuous Drain Current (Id): Substitute must meet or exceed 75A at 25°C
On-Resistance (Rds On): Lower or equal values are acceptable
Gate Charge (Qg): Values within the range of substitute parts are acceptable
Power Dissipation: Must support minimum 330W at case temperature

All substitute parts listed maintain identical voltage ratings (40V Vdss), identical package configuration (D2PAK/TO-263-3), and compatible thermal and electrical operating ranges. Drain current ratings in substitute parts range from 100A to 160A, exceeding the original 75A specification, ensuring functional compatibility in existing circuit designs.

Parameter Comparison

Parameter	IRF2804STRR	AOB240L	BUK661R9-40C,118	NP109N04PUG-E1-AY	PSMN1R1-40BS,118	PSMN2R2-40BS,118	SQM120N04-1M7L_GE3	STB270N4F3
Vdss (V)	40	40	40	40	40	40	40	40
Id @ 25°C (A, Tc)	75	105	120	110	120	100	120	160
Rds On (mOhm) @ 10V	2.0	2.6	1.9	2.3	1.3	2.2	1.7	2.5
Vgs(th) (V) @ 250µA/1mA	4.0	2.2	2.8	4.0	4.0	4.0	2.5	4.0
Qg (nC) @ 10V	240	72	260	270	136	130	285	150
Ciss (pF) @ 20-25V	6450	3510	15100	15750	9710	8423	14606	7400
Power Dissipation (W, Tc)	330	176	306	220	306	306	375	330
Operating Temp (°C)	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175
Package	D2PAK	TO-263	D2PAK	TO-263-3	D2PAK	D2PAK	TO-263	D2PAK
Vgs Max (V)	±20	±20	±16	±20	±20	±20	±20	±20
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Not For New Designs	Obsolete	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Recommendation for New Designs:

PSMN1R1-40BS,118 (Nexperia) and STB270N4F3 (STMicroelectronics) are the preferred substitutes for the IRF2804STRR. Both parts carry Active product status, ensuring long-term availability and supply chain stability. Both are ROHS3 compliant, meeting current environmental and regulatory requirements. PSMN1R1-40BS,118 delivers superior on-resistance performance (1.3 mOhm) with lower gate charge (136 nC), reducing switching losses. STB270N4F3 provides the highest drain current rating (160A) and includes AEC-Q101 automotive qualification, supporting applications requiring automotive-grade reliability.

Secondary Recommendations:

SQM120N04-1M7L_GE3 (Vishay Siliconix) offers Active status with excellent power dissipation capability (375W) and low on-resistance (1.7 mOhm). NP109N04PUG-E1-AY (Renesas) provides Active status with balanced electrical characteristics and 110A drain current rating.

Obsolete Status Alternatives:

BUK661R9-40C,118 (Nexperia) maintains Obsolete status but offers superior on-resistance (1.9 mOhm) and AEC-Q101 automotive qualification. This part is suitable only for replacement in existing production where supply is confirmed.

Not Recommended for New Designs:

AOB240L carries "Not For New Designs" status and should be avoided in new circuit development despite its lower gate charge characteristics.

Frequently Asked Questions (FAQ)

Q: Can I use STB270N4F3 as a direct replacement for IRF2804STRR in existing designs?

A: Yes. STB270N4F3 maintains identical 40V Vdss rating, D2PAK package configuration, and -55°C to 175°C operating temperature range. The higher drain current rating (160A vs. 75A) and lower on-resistance (2.5 mOhm vs. 2.0 mOhm) are compatible with existing circuit designs. Pin configuration and thermal characteristics are equivalent.

Q: What is the difference between D2PAK and TO-263-3 packages?

A: D2PAK and TO-263-3 are equivalent designations for the same surface mount package. Both refer to a three-terminal configuration with two leads and a thermal tab. All substitute parts listed use this identical package type, ensuring mechanical and thermal compatibility.

Q: Why do substitute parts have higher drain current ratings than the original IRF2804STRR?

A: Higher drain current ratings (100A to 160A) in substitute parts indicate improved semiconductor technology and manufacturing processes. These parts can safely handle the original 75A requirement while providing additional design margin and thermal performance. The higher rating does not affect compatibility in circuits designed for 75A operation.

Q: Which substitute part has the lowest on-resistance?

A: PSMN1R1-40BS,118 offers the lowest on-resistance at 1.3 mOhm @ 25A, 10V. Lower on-resistance reduces conduction losses and heat generation, improving overall circuit efficiency. This characteristic makes it suitable for high-efficiency power conversion applications.

Q: Are all substitute parts RoHS compliant?

A: All substitute parts listed are ROHS3 compliant. The original IRF2804STRR is RoHS non-compliant. Compliance with RoHS3 standards is required for new designs and applications subject to environmental regulations.

Q: What is the significance of AEC-Q101 qualification on STB270N4F3 and BUK661R9-40C,118?

A: AEC-Q101 qualification indicates automotive-grade reliability testing and qualification. These parts meet stringent automotive industry standards for temperature cycling, thermal shock, and long-term reliability. This qualification is required for automotive applications and preferred for industrial applications requiring high reliability.

Q: Can I use AOB240L as a substitute?

A: AOB240L is not recommended for new designs due to its "Not For New Designs" product status. While electrically compatible, this designation indicates the manufacturer is discontinuing support. Use only for replacement in existing production where supply is confirmed and no alternative is available.

Q: How do gate charge differences affect circuit performance?

A: Gate charge (Qg) determines the energy required to switch the MOSFET on and off. Lower gate charge (PSMN1R1-40BS,118 at 136 nC) reduces switching losses and allows faster switching speeds. Higher gate charge (STB270N4F3 at 150 nC, SQM120N04-1M7L_GE3 at 285 nC) requires more driver current but may provide improved noise immunity. Selection depends on specific circuit requirements and driver capabilities.

Q: What is the thermal difference between substitute parts?

A: Power dissipation ratings vary from 176W (AOB240L) to 375W (SQM120N04-1M7L_GE3). Higher power dissipation ratings indicate better thermal performance at the case temperature. For applications operating near thermal limits, SQM120N04-1M7L_GE3 or STB270N4F3 are preferred. For standard applications, all parts provide adequate thermal performance.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message