DI040P04PT P-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The DI040P04PT is a P-Channel MOSFET manufactured by Diotec Semiconductor, designed for surface mount applications in the 8-QFN (3x3) package. This device operates at a maximum drain-to-source voltage of 40V with a continuous drain current rating of 40A at 25°C and a maximum power dissipation of 22.7W. The part is currently in active production status with 704 units in stock.

Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same device category, allowing for direct replacement in circuit designs without functional degradation.

Substiute Parts

DI040P04PT

Diotec SemiconductorIn Stock: 741DI040P04PT Datasheet

Current PartRFQ

DI040P04PT-AQ

Diotec SemiconductorIn Stock: 5924DI040P04PT-AQ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the DI040P04PT are identified based on strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• FET Type: P-Channel
• Drain to Source Voltage (Vdss): 40V
• Continuous Drain Current (Id) @ 25°C: 40A (Tc)
• On-State Resistance (Rds On): 15 mOhm @ 10A, 10V
• Gate Threshold Voltage (Vgs(th)): 2.5V @ 250µA
• Power Dissipation (Max): 22.7W (Tc)
• Operating Temperature Range: -55°C to 150°C (TJ)

Mechanical Equivalence Criteria:

• Package Type: 8-QFN (3x3)
• Mounting Type: Surface Mount
• Packaging Format: Tape & Reel (TR)

Parts meeting all electrical and mechanical parameters are classified as parametric equivalents and direct substitutes. Variations in package designation (PowerWDFN vs. PowerVDFN) do not affect functional compatibility when the physical QFN (3x3) footprint and pin configuration remain identical.

Parameter Comparison

Engineering Selection Recommendations

DI040P04PT (Standard Grade)

The DI040P04PT is suitable for general-purpose applications requiring P-Channel MOSFET functionality within the specified electrical and thermal parameters. This part is in active production with adequate inventory availability (704 units in stock).

DI040P04PT-AQ (Automotive Grade)

The DI040P04PT-AQ is an automotive-qualified variant of the DI040P04PT, carrying AEC-Q101 certification. This part maintains identical electrical and mechanical specifications while meeting automotive industry reliability and qualification standards. The DI040P04PT-AQ is in active production with higher inventory availability (5865 units in stock).

Selection Basis:

• For standard industrial and consumer applications, either part is electrically and mechanically compatible.
• For automotive applications or systems requiring AEC-Q101 compliance, the DI040P04PT-AQ is the appropriate selection.
• Both parts share the same base product number (DI040P04), confirming design equivalence.
• Package designation differences (PowerWDFN vs. PowerVDFN) do not affect PCB footprint compatibility or electrical performance.

Frequently Asked Questions (FAQ)

Q: Can the DI040P04PT-AQ be used as a direct replacement for the DI040P04PT?

A: Yes. The DI040P04PT-AQ is a direct parametric equivalent with identical electrical ratings, on-state resistance, gate characteristics, and thermal specifications. The automotive qualification and AEC-Q101 certification represent additional compliance attributes that do not affect functional compatibility in non-automotive applications.

Q: Are there any differences in the physical package between these parts?

A: Both parts use the 8-QFN (3x3) surface mount package. The package designation variants (PowerWDFN vs. PowerVDFN) refer to internal thermal design features but maintain identical external dimensions and pin configurations. PCB footprints are compatible.

Q: What is the significance of the "-AQ" suffix in the DI040P04PT-AQ part number?

A: The "-AQ" suffix indicates automotive qualification and AEC-Q101 compliance. This designation confirms the part meets automotive industry standards for reliability, quality, and testing. The electrical and mechanical specifications remain unchanged from the base DI040P04PT.

Q: Can I substitute the DI040P04PT with a different manufacturer's P-Channel MOSFET?

A: Substitution with parts from other manufacturers requires verification of all electrical parameters (Vdss, Id, Rds On, Vgs(th), power dissipation, and operating temperature range) and mechanical compatibility (package type, pin configuration, and footprint). The DI040P04PT-AQ is the only listed equivalent from Diotec Semiconductor.

Q: What inventory considerations should I account for when selecting between these parts?

A: The DI040P04PT has 704 units in stock, while the DI040P04PT-AQ has 5865 units in stock. For applications requiring automotive qualification, the DI040P04PT-AQ offers significantly higher availability. For standard applications, both parts are available.

Q: Are there any compliance or regulatory differences between these parts?

A: Both parts share the same HTSUS classification base (8541.x.x.x) and are subject to identical RoHS and REACH status designations. The DI040P04PT-AQ carries additional automotive compliance through AEC-Q101 qualification. ECCN classification differs slightly (EAR99 for the automotive variant) due to qualification status.