IRF2804STRR7PP N-Channel 40V 160A MOSFET Equivalent & Substitute Parts

Part Overview

The IRF2804STRR7PP is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 40V drain-to-source voltage and 160A continuous drain current in a surface mount D2PAK (7-Lead) package. This device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and procurement continuity. The part belongs to the HEXFET® series and is suitable for high-current switching applications requiring low on-resistance performance.

Key Parameters

Parameter	Value	Unit
Drain-to-Source Voltage (Vdss)	40	V
Continuous Drain Current (Id) @ 25°C	160	A (Tc)
On-Resistance (Rds On) @ 160A, 10V	1.6	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	4	V
Gate Charge (Qg) @ 10V	260	nC
Power Dissipation (Max)	330	W (Tc)
Operating Temperature Range	-55 to 175	°C (TJ)
Package Type	D2PAK (7-Lead)	TO-263-7
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution of the IRF2804STRR7PP is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Drain-to-Source Voltage (Vdss): Must equal 40V
FET Type: Must be N-Channel
Technology: Must be MOSFET (Metal Oxide)
Mounting Type: Must be Surface Mount
Operating Temperature Range: Must support -55°C to 175°C

Secondary Compatibility Factors:

Continuous Drain Current (Id): Minimum 160A at 25°C (equal or higher acceptable)
On-Resistance (Rds On): Lower or equal values preferred for thermal performance
Package/Case: D2PAK or TO-263 variants acceptable for mechanical fit
Gate Charge (Qg): Lower values reduce switching losses

Substitute parts are grouped into two categories: parametric equivalents (matching all primary criteria with identical electrical performance) and functional alternatives (meeting primary criteria with acceptable performance trade-offs in secondary parameters).

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Qg (nC)	Power Diss. (W)	Package	Status
IRF2804STRR7PP	Infineon	40	160	1.6 @ 160A, 10V	260 @ 10V	330	D2PAK (7-Lead)	Obsolete
IRF2804STRL7PP	Infineon	40	160	1.6 @ 160A, 10V	260 @ 10V	330	D2PAK (7-Lead)	Active
STB270N4F3	STMicroelectronics	40	160	2.5 @ 80A, 10V	150 @ 10V	330	D2PAK	Active
IXTA300N04T2-7	IXYS	40	300	2.5 @ 50A, 10V	145 @ 10V	480	TO-263-7	Active
PSMN1R1-40BS,118	Nexperia	40	120	1.3 @ 25A, 10V	136 @ 10V	306	D2PAK	Active
PSMN2R2-40BS,118	Nexperia	40	100	2.2 @ 25A, 10V	130 @ 10V	306	D2PAK	Active
BUK661R9-40C,118	Nexperia	40	120	1.9 @ 25A, 10V	260 @ 10V	306	D2PAK	Obsolete

Engineering Selection Recommendations

Recommended Primary Substitute: IRF2804STRL7PP

The IRF2804STRL7PP is the direct parametric equivalent to the IRF2804STRR7PP. Both parts share identical electrical specifications (40V, 160A, 1.6mOhm Rds On, 260nC gate charge, 330W power dissipation) and package configuration (D2PAK 7-Lead). The primary distinction is product status: IRF2804STRL7PP is active and available in Tape & Reel packaging, whereas the original part is obsolete. This substitute provides seamless design compatibility with no circuit modifications required. RoHS3 compliance and REACH unaffected status are maintained.

Secondary Substitute: STB270N4F3

The STB270N4F3 from STMicroelectronics meets all primary substitution criteria with matching 40V voltage rating and 160A continuous drain current. This part is active and carries AEC-Q101 automotive qualification. The on-resistance specification (2.5mOhm @ 80A) is higher than the original, resulting in increased thermal dissipation. Gate charge is reduced to 150nC, improving switching performance. Package is D2PAK (2 Leads + Tab), which differs mechanically from the 7-Lead variant but maintains electrical compatibility for most applications. RoHS3 compliant.

Alternative Substitute: IXTA300N04T2-7

The IXTA300N04T2-7 from IXYS provides higher current capability (300A) at the same 40V rating, offering design margin for high-current applications. Package is TO-263-7, mechanically compatible with the original D2PAK (7-Lead) footprint. Gate charge is reduced to 145nC. On-resistance specification (2.5mOhm @ 50A) reflects the higher current rating. This part is active and RoHS3 compliant. Selection is appropriate when increased current headroom is required.

Lower Current Alternatives: PSMN1R1-40BS,118 and PSMN2R2-40BS,118

These Nexperia parts are active and RoHS3 compliant but feature reduced continuous drain current ratings (120A and 100A respectively). Selection is appropriate only when circuit requirements permit lower current operation. PSMN1R1-40BS,118 offers superior on-resistance (1.3mOhm @ 25A) and reduced gate charge (136nC). PSMN2R2-40BS,118 provides intermediate performance. Both use D2PAK (2 Leads + Tab) packaging.

Avoid: BUK661R9-40C,118

Although listed as a substitute, BUK661R9-40C,118 is obsolete and rated for only 120A continuous drain current, below the original 160A specification. Selection is not recommended for new designs.

Frequently Asked Questions (FAQ)

Q1: Can IRF2804STRL7PP directly replace IRF2804STRR7PP without circuit modifications?

Yes. IRF2804STRL7PP is a parametric equivalent with identical electrical specifications and D2PAK (7-Lead) package. The only difference is product status (active vs. obsolete) and packaging format (Tape & Reel vs. bulk). No circuit changes are required.

Q2: What is the difference between D2PAK (7-Lead) and D2PAK (2 Leads + Tab) packages?

D2PAK (7-Lead) includes additional leads for enhanced thermal and electrical performance, typically used in high-current applications. D2PAK (2 Leads + Tab) is a simplified variant with reduced lead count. Both are mechanically compatible with TO-263 footprints but differ in pin configuration. Verify PCB layout compatibility before substitution.

Q3: Why does STB270N4F3 have higher on-resistance (2.5mOhm) than the original (1.6mOhm)?

On-resistance specifications are measured at different current levels. STB270N4F3 is specified at 80A, while IRF2804STRR7PP is specified at 160A. At lower current levels, on-resistance typically increases. For applications requiring the original 160A current, verify thermal performance with the higher on-resistance value.

Q4: Is IXTA300N04T2-7 suitable for designs originally using IRF2804STRR7PP?

Yes, provided the circuit can accommodate the higher current rating (300A vs. 160A). The 40V voltage rating and surface mount package are identical. The reduced gate charge (145nC vs. 260nC) improves switching speed. Verify that the higher current capability does not introduce unintended circuit behavior.

Q5: Can PSMN1R1-40BS,118 or PSMN2R2-40BS,118 be used as drop-in replacements?

These parts are not drop-in replacements due to reduced continuous drain current ratings (120A and 100A respectively, below the original 160A). Use only if circuit requirements permit lower current operation. Package differences (D2PAK 2 Leads + Tab vs. 7-Lead) also require PCB layout verification.

Q6: What compliance certifications are maintained across all substitute parts?

All active substitute parts maintain RoHS3 compliance and REACH unaffected status. STB270N4F3 and BUK661R9-40C,118 carry AEC-Q101 automotive qualification. Verify specific compliance requirements for your application before final selection.

Q7: How does gate charge affect circuit performance?

Gate charge (Qg) determines the energy required to switch the MOSFET on and off. Lower gate charge reduces switching losses and allows faster switching speeds. STB270N4F3 (150nC) and IXTA300N04T2-7 (145nC) offer improved switching performance compared to the original (260nC). Higher switching speeds may require circuit optimization to prevent EMI issues.

Q8: Are there inventory considerations for substitute selection?

Yes. IRF2804STRL7PP has 5298 pcs in stock, STB270N4F3 has 7230 pcs, and PSMN1R1-40BS,118 has 4711 pcs. IXTA300N04T2-7 has lower inventory (873 pcs). For high-volume production, verify long-term availability with suppliers.

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