DI035P04PT P-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The DI035P04PT is a P-Channel MOSFET in 8-QFN (3x3) surface mount packaging manufactured by Diotec Semiconductor. This device is rated for 40V drain-to-source voltage with 35A continuous drain current and 40W maximum power dissipation. The part is currently in active production status with 1124 units available in inventory.

Substitute parts are identified when equivalent electrical and mechanical specifications are required for design flexibility, supply chain continuity, or inventory optimization. Substitutes must maintain identical or superior performance within the specified parameter ranges to ensure functional compatibility in the target application.

Key Parameters

Parameter	Value	Unit
FET Type	P-Channel	—
Drain to Source Voltage (Vdss)	40	V
Continuous Drain Current (Id) @ 25°C	35	A (Tc)
On-Resistance (Rds On Max) @ 10A, 10V	19	mOhm
Gate Threshold Voltage (Vgs(th) Max) @ 250µA	2.5	V
Power Dissipation (Max)	40	W (Tc)
Operating Temperature Range	-55 to 150	°C (TJ)
Package Type	8-QFN (3x3)	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitute parts for the DI035P04PT are identified based on strict electrical and mechanical parameter equivalence. The substitution logic is based on the following critical parameters:

Electrical Equivalence Criteria:

FET Type: P-Channel topology
Drain to Source Voltage (Vdss): 40V minimum rating
Continuous Drain Current (Id): 35A minimum at 25°C
On-Resistance (Rds On): 19mOhm maximum at specified conditions
Gate Threshold Voltage (Vgs(th)): 2.5V maximum
Power Dissipation: 40W minimum rating
Operating Temperature Range: -55°C to 150°C minimum

Mechanical Equivalence Criteria:

Package: 8-QFN (3x3) surface mount
Mounting Type: Surface mount compatible
Supplier Device Package: 8-QFN (3x3)

Parts meeting all electrical and mechanical parameters are classified as direct parametric equivalents and may be substituted without circuit modification.

Parameter Comparison

Parameter	DI035P04PT	DI035P04PT-AQ	Match Status
Manufacturer	Diotec Semiconductor	Diotec Semiconductor	Identical
FET Type	P-Channel	P-Channel	Identical
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	Identical
Drain to Source Voltage (Vdss)	40 V	40 V	Identical
Continuous Drain Current (Id) @ 25°C	35A (Tc)	35A (Tc)	Identical
Rds On (Max) @ 10A, 10V	19 mOhm	19 mOhm	Identical
Vgs(th) (Max) @ 250µA	2.5 V	2.5 V	Identical
Gate Charge (Qg) (Max) @ 10V	30 nC	30 nC	Identical
Vgs (Max)	±20 V	±20 V	Identical
Input Capacitance (Ciss) (Max) @ 20V	2570 pF	2570 pF	Identical
Power Dissipation (Max)	40 W (Tc)	40 W (Tc)	Identical
Operating Temperature Range	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	Identical
Package / Case	8-PowerWDFN	8-PowerVDFN	Compatible
Supplier Device Package	8-QFN (3x3)	8-QFN (3x3)	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
Product Status	Active	Active	Identical
Grade	Standard	Automotive	Substitute Enhanced
Qualification	—	AEC-Q101	Substitute Enhanced

Engineering Selection Recommendations

DI035P04PT (Standard Grade)

The DI035P04PT 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 established supply availability.

DI035P04PT-AQ (Automotive Grade)

The DI035P04PT-AQ is an enhanced variant of the DI035P04PT with identical electrical specifications and package compatibility. This part carries automotive-grade qualification per AEC-Q101 standard, indicating compliance with automotive reliability and quality requirements. The DI035P04PT-AQ is appropriate for applications requiring automotive-grade component certification or enhanced reliability screening.

Both parts maintain identical electrical performance and are mechanically compatible within the 8-QFN (3x3) surface mount package. Selection between standard and automotive-grade variants depends on application requirements and compliance specifications.

Frequently Asked Questions (FAQ)

Q: Can DI035P04PT-AQ be used as a direct replacement for DI035P04PT?

A: Yes. The DI035P04PT-AQ maintains identical electrical specifications including Vdss (40V), Id (35A), Rds On (19mOhm), and power dissipation (40W). Both parts use the 8-QFN (3x3) surface mount package. The DI035P04PT-AQ includes automotive-grade qualification (AEC-Q101), making it suitable for applications requiring enhanced reliability screening.

Q: Are there package differences between DI035P04PT and DI035P04PT-AQ?

A: Both parts use the 8-QFN (3x3) surface mount package. The supplier device package designation is identical (8-QFN 3x3). The package case designation differs slightly (8-PowerWDFN versus 8-PowerVDFN), but both are compatible 3x3 QFN variants with identical pinout and thermal characteristics.

Q: What is the difference between standard and automotive-grade versions?

A: The DI035P04PT-AQ carries AEC-Q101 automotive qualification, indicating compliance with automotive industry reliability and quality standards. Electrical and thermal specifications remain identical to the standard DI035P04PT. The automotive-grade variant is required for applications subject to automotive compliance requirements.

Q: Are the electrical characteristics identical between both parts?

A: Yes. Both DI035P04PT and DI035P04PT-AQ share identical electrical specifications: 40V Vdss, 35A continuous drain current, 19mOhm Rds On, 2.5V gate threshold voltage, 30nC gate charge, and 40W power dissipation. Operating temperature range is -55°C to 150°C for both variants.

Q: Can these parts be used interchangeably in PCB layouts?

A: Yes. Both parts use the 8-QFN (3x3) surface mount package with identical pinout and footprint requirements. PCB layouts designed for either part are compatible with the other without modification.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message