IRF7406PBF P-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The IRF7406PBF is a P-Channel MOSFET manufactured by Infineon Technologies, rated for 30V drain-to-source voltage with 5.8A continuous drain current at 25°C. This device is part of the HEXFET® series and features a surface mount 8-SO package. The IRF7406PBF is discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design support and procurement.

Substiute Parts

IRF7406PBF

Infineon TechnologiesIn Stock: 1649IRF7406PBF Datasheet

Current PartRFQ

DMP3050LSS-13

Diodes IncorporatedIn Stock: 25225DMP3050LSS-13 Datasheet

MFR RecommendedRFQ

DMP3056LSS-13

Diodes IncorporatedIn Stock: 65228DMP3056LSS-13 Datasheet

MFR RecommendedRFQ

FDS9435A

onsemiIn Stock: 89130FDS9435A Datasheet

MFR RecommendedRFQ

ZXMP3A16N8TA

Diodes IncorporatedIn Stock: 6500ZXMP3A16N8TA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IRF7406PBF is determined by the following critical parameters:

Primary Matching Criteria:

• Drain to Source Voltage (Vdss): 30V minimum
• Continuous Drain Current (Id): 5.8A or greater at 25°C
• Rds On (Max) @ 10V Vgs: 45mOhm or lower
• Package Type: 8-SO or 8-SOIC surface mount
• Operating Temperature Range: -55°C to 150°C minimum
• FET Type: P-Channel
• Technology: MOSFET (Metal Oxide)

Secondary Compatibility Factors:

• Gate Threshold Voltage (Vgs(th)): Within ±1V variation acceptable
• Power Dissipation: 2.5W or greater
• RoHS3 Compliance and MSL Level 1 rating

All substitute parts listed maintain compatibility across these parameters while meeting or exceeding the electrical specifications of the original IRF7406PBF.

Parameter Comparison

Engineering Selection Recommendations

DMP3050LSS-13 (Diodes Incorporated)

The DMP3050LSS-13 is an active product with 30V Vdss and 4.8A continuous drain current. This substitute is suitable for applications where the required drain current is 4.8A or lower. The device maintains 45mOhm Rds On specification and operates across the full -55°C to 150°C temperature range. RoHS3 compliance and MSL Level 1 rating are confirmed. Inventory availability is 25,200 units.

DMP3056LSS-13 (Diodes Incorporated)

The DMP3056LSS-13 is an active product with 30V Vdss and 7.1A continuous drain current, exceeding the IRF7406PBF specification. This substitute provides higher current capability with identical 45mOhm Rds On and 2.5W power dissipation. Operating temperature range is -55°C to 150°C. RoHS3 compliance and MSL Level 1 rating are confirmed. Inventory availability is 65,200 units.

FDS9435A (onsemi)

The FDS9435A is an active product with 30V Vdss and 5.3A continuous drain current, closely matching the IRF7406PBF current rating. This PowerTrench® series device maintains 50mOhm Rds On and 2.5W power dissipation. Operating temperature range extends to 175°C, providing enhanced thermal performance. RoHS3 compliance and MSL Level 1 rating are confirmed. Inventory availability is 89,060 units.

ZXMP3A16N8TA (Diodes Incorporated)

The ZXMP3A16N8TA is an active product with 30V Vdss and 5.6A continuous drain current, closely matching the IRF7406PBF specification. This device features 40mOhm Rds On, providing superior on-resistance performance. Operating temperature range is -55°C to 150°C. RoHS3 compliance and MSL Level 1 rating are confirmed. Inventory availability is 6,430 units.

Frequently Asked Questions (FAQ)

Q: Can DMP3050LSS-13 replace IRF7406PBF in all applications?

A: DMP3050LSS-13 is suitable only for applications requiring 4.8A or lower continuous drain current. If the design requires the full 5.8A capability of the IRF7406PBF, DMP3050LSS-13 is not appropriate. All other electrical parameters are compatible.

Q: What is the primary advantage of DMP3056LSS-13 over the original IRF7406PBF?

A: DMP3056LSS-13 provides 7.1A continuous drain current, exceeding the IRF7406PBF specification by 1.3A. This higher current rating provides design margin for applications approaching the original device's current limits. All other parameters remain compatible.

Q: Does FDS9435A offer any thermal advantages?

A: FDS9435A operates to 175°C junction temperature, compared to 150°C for the IRF7406PBF. This extended temperature range provides additional thermal margin in high-temperature environments. Power dissipation and Rds On specifications are equivalent.

Q: How does ZXMP3A16N8TA compare in on-resistance performance?

A: ZXMP3A16N8TA features 40mOhm Rds On at 10V Vgs, which is 5mOhm lower than the IRF7406PBF specification of 45mOhm. This lower on-resistance reduces power dissipation in switching applications. Continuous drain current of 5.6A closely matches the original device.

Q: Are all substitute parts available in the same 8-SOIC package?

A: All substitute parts use 8-SOIC (0.154", 3.90mm Width) surface mount packaging, ensuring direct PCB layout compatibility with the IRF7406PBF. No board redesign is required for package accommodation.

Q: Do all substitutes meet the same compliance standards as IRF7406PBF?

A: All substitute parts are RoHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity rating, matching the IRF7406PBF compliance profile. REACH status is unaffected for all devices.

Q: Which substitute has the lowest gate charge specification?

A: DMP3056LSS-13 has the lowest gate charge at 6.8nC @ 4.5V Vgs, compared to 59nC for the IRF7406PBF. Lower gate charge reduces driver power requirements and enables faster switching transitions in gate-drive-limited applications.

Q: Can these substitutes be used interchangeably in existing designs?

A: Interchangeability depends on the specific application requirements. All substitutes maintain 30V Vdss and 8-SOIC packaging. Verify that the required continuous drain current does not exceed the substitute device rating, and confirm gate threshold voltage compatibility with the gate drive circuit.