IRF2805STRRPBF N-Channel MOSFET 55V 135A Equivalent & Substitute Parts

Part Overview

The IRF2805STRRPBF is an N-Channel MOSFET manufactured by Infineon Technologies in the HEXFET® series, rated for 55V drain-to-source voltage and 135A continuous drain current at 25°C. The device is packaged in D2PAK (TO-263-3) surface mount configuration with a maximum power dissipation of 200W. This part is classified as obsolete, making identification of equivalent and substitute components essential for ongoing design support and production continuity. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts provide functional alternatives with modified performance characteristics within acceptable application parameters.

Key Parameters

Parameter	Value	Unit
Drain-to-Source Voltage (Vdss)	55	V
Continuous Drain Current (Id) @ 25°C	135	A
On-State Resistance (Rds On) @ 104A, 10V	4.7	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	4	V
Gate Charge (Qg) @ 10V	230	nC
Maximum Gate Voltage (Vgs)	±20	V
Input Capacitance (Ciss) @ 25V	5110	pF
Power Dissipation (Max)	200	W
Operating Temperature Range	-55 to 175	°C
Package Type	D2PAK (TO-263-3)	Surface Mount
Mounting Type	Tape & Reel (TR)	-

Substitute Part Grouping Explanation

Substitution of the IRF2805STRRPBF is determined by the following critical parameters: drain-to-source voltage rating (Vdss), continuous drain current capability (Id), on-state resistance (Rds On), package type (D2PAK/TO-263), and operating temperature range. All substitute parts listed maintain the same surface mount D2PAK package configuration and operating temperature range of -55°C to 175°C, ensuring mechanical and thermal compatibility.

Substitute parts are grouped into two categories:

Parametric Equivalents: Parts with identical Vdss (55V) and equivalent current ratings (120A–135A) with comparable Rds On characteristics. These parts are direct functional replacements with minimal circuit redesign.

Voltage/Current Variants: Parts with modified Vdss ratings (60V or 75V) or adjusted current ratings (75A–220A) that provide enhanced performance margins or alternative current handling for specific application requirements. These parts require verification of circuit voltage stress limits and thermal management.

All substitute parts maintain N-Channel MOSFET technology, ±20V gate voltage rating, and -55°C to 175°C operating temperature range as specified for the main part.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Qg (nC)	Ciss (pF)	Power Dissipation (W)	Package	Status
IRF2805STRRPBF	Infineon	55	135	4.7 @ 104A, 10V	230 @ 10V	5110 @ 25V	200	D2PAK	Obsolete
IRF2805STRLPBF	Infineon	55	135	4.7 @ 104A, 10V	230 @ 10V	5110 @ 25V	200	D2PAK	Obsolete
STB150NF55T4	STMicroelectronics	55	120	6 @ 60A, 10V	190 @ 10V	4400 @ 25V	300	D2PAK	Active
BUK764R0-55B,118	Nexperia USA Inc.	55	75	4 @ 25A, 10V	86 @ 10V	6776 @ 25V	300	D2PAK	Active
PSMN4R6-60BS,118	Nexperia USA Inc.	60	100	4.4 @ 25A, 10V	70.8 @ 10V	4426 @ 30V	211	D2PAK	Active
STB130N6F7	STMicroelectronics	60	80	5 @ 40A, 10V	42 @ 10V	2600 @ 25V	160	D2PAK	Active
STB160N75F3	STMicroelectronics	75	120	4 @ 60A, 10V	85 @ 10V	6750 @ 25V	330	D2PAK	Active
IXFA220N06T3	IXYS	60	220	4 @ 100A, 10V	136 @ 10V	8500 @ 25V	440	TO-263	Last Time Buy

Engineering Selection Recommendations

For Direct Replacement (Obsolete Part Continuity):

IRF2805STRLPBF is the parametric equivalent to IRF2805STRRPBF, differing only in packaging format (Tape & Reel vs. alternative reel specification). Both parts are classified as obsolete and maintain identical electrical specifications: 55V Vdss, 135A continuous drain current, 4.7mOhm Rds On, and 200W power dissipation. This part is suitable for applications requiring exact performance matching with no circuit modification.

For Active Production Alternatives (55V Rating):

STB150NF55T4 (STMicroelectronics, Active status) maintains the 55V Vdss rating with 120A continuous drain current, representing a 11% reduction in current capacity. The part features improved power dissipation (300W vs. 200W) and lower gate charge (190nC vs. 230nC), reducing switching losses. RoHS3 compliance and AEC-Q101 automotive qualification are provided. This part is suitable for applications where the 120A current rating is sufficient and enhanced thermal performance is beneficial.

For Enhanced Voltage Margin (60V–75V Ratings):

PSMN4R6-60BS,118 (Nexperia, Active status) provides 60V Vdss with 100A continuous drain current in D2PAK package. This part offers a 9% voltage safety margin over the original 55V specification while maintaining comparable on-state resistance (4.4mOhm). RoHS3 compliance is provided. Suitable for applications requiring improved voltage headroom without significant current derating.

STB160N75F3 (STMicroelectronics, Active status) provides 75V Vdss with 120A continuous drain current, offering maximum voltage margin (36% above original specification) with equivalent current handling. Power dissipation is increased to 330W. This part is suitable for applications with higher supply voltage transients or where voltage stress margin is critical.

For High-Current Applications:

IXFA220N06T3 (IXYS, Last Time Buy status) provides 60V Vdss with 220A continuous drain current, representing a 63% increase in current capacity. Power dissipation reaches 440W. This part is suitable for applications requiring significantly higher current handling with acceptable voltage derating to 60V.

Compliance and Regulatory Status:

All active substitute parts (STB150NF55T4, BUK764R0-55B,118, PSMN4R6-60BS,118, STB130N6F7, STB160N75F3) are RoHS3 compliant and REACH unaffected. STB150NF55T4 and BUK764R0-55B,118 carry AEC-Q101 automotive qualification. All parts maintain ECCN EAR99 and HTSUS 8541.29.0095 classifications matching the original part.

Frequently Asked Questions (FAQ)

Q: Can IRF2805STRLPBF be used as a direct replacement for IRF2805STRRPBF?

A: Yes. IRF2805STRLPBF is a parametric equivalent with identical electrical specifications (55V, 135A, 4.7mOhm Rds On, 200W power dissipation) and D2PAK package. The difference is in packaging format (Tape & Reel specification). Both parts are obsolete. No circuit modification is required.

Q: What is the primary difference between the main part and STB150NF55T4?

A: STB150NF55T4 maintains the 55V Vdss rating but reduces continuous drain current from 135A to 120A (11% reduction). It increases power dissipation capability from 200W to 300W and reduces gate charge from 230nC to 190nC. STB150NF55T4 is active production status with RoHS3 compliance and AEC-Q101 qualification. Circuit redesign is not required if the 120A current rating is acceptable for the application.

Q: Can I use PSMN4R6-60BS,118 in place of IRF2805STRRPBF?

A: PSMN4R6-60BS,118 can be used if the application tolerates a 9% increase in drain-to-source voltage rating (60V vs. 55V) and a 26% reduction in continuous drain current (100A vs. 135A). The part maintains D2PAK package compatibility and comparable on-state resistance (4.4mOhm). Verify that the 100A current rating is sufficient for the application and that the 60V rating does not create circuit design conflicts.

Q: What is the advantage of STB160N75F3 over the original IRF2805STRRPBF?

A: STB160N75F3 provides a 36% increase in drain-to-source voltage rating (75V vs. 55V), offering enhanced protection against voltage transients and overshoot conditions. Continuous drain current remains equivalent at 120A. Power dissipation increases to 330W. This part is suitable for applications where voltage stress margin is critical or where supply voltage transients exceed 55V. The D2PAK package remains compatible.

Q: Is IXFA220N06T3 suitable for direct replacement?

A: IXFA220N06T3 is not a direct replacement. It provides 60V Vdss (9% higher) and 220A continuous drain current (63% higher), requiring circuit thermal management verification. The part is classified as Last Time Buy status. Use this part only if the application requires significantly higher current handling and the 60V rating is acceptable. Thermal design review is mandatory.

Q: Are all substitute parts RoHS3 compliant?

A: All active production substitute parts (STB150NF55T4, BUK764R0-55B,118, PSMN4R6-60BS,118, STB130N6F7, STB160N75F3) are RoHS3 compliant. IXFA220N06T3 is also RoHS3 compliant but carries Last Time Buy status. The original IRF2805STRRPBF is obsolete and does not carry RoHS3 designation.

Q: What package types are available for these substitute parts?

A: All substitute parts listed use D2PAK (TO-263-3) surface mount package, maintaining mechanical compatibility with the original IRF2805STRRPBF. IXFA220N06T3 is specified as TO-263 package, which is equivalent to D2PAK. No PCB layout modification is required for package compatibility.

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

A: STB160N75F3 and BUK764R0-55B,118 both feature 4mOhm on-state resistance, matching or exceeding the original part's 4.7mOhm specification. PSMN4R6-60BS,118 provides 4.4mOhm. Lower on-state resistance reduces conduction losses and heat generation during operation.

Q: Can I use multiple substitute parts interchangeably in the same design?

A: No. Each substitute part has different electrical characteristics (Vdss, Id, Rds On, Qg, Ciss). Interchangeability requires verification that the specific part's ratings are compatible with the circuit design. Use only one part number per design unless circuit analysis confirms functional equivalence for the specific application.

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