IRFU9010 P-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The IRFU9010 is a P-Channel MOSFET manufactured by Vishay Siliconix, rated for 50V drain-to-source voltage with 5.3A continuous drain current at 25°C. The device is packaged in TO-251AA (IPAK) through-hole configuration and dissipates up to 25W at the case temperature. The IRFU9010 is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. Substitute parts must maintain electrical compatibility across voltage, current, and thermal specifications while accommodating packaging and compliance requirements.

Key Parameters

Parameter	Value	Unit
FET Type	P-Channel	—
Drain to Source Voltage (Vdss)	50	V
Continuous Drain Current (Id) @ 25°C	5.3	A
On-State Resistance (Rds On) @ 2.8A, 10V	500	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	4	V
Power Dissipation (Max)	25	W
Operating Temperature Range	-55 to 150	°C
Package Type	TO-251AA (IPAK)	—
Mounting Type	Through Hole	—

Substitute Part Grouping Explanation

Substitute parts for the IRFU9010 are classified based on electrical parameter compatibility and product status. The substitution logic follows these criteria:

Parametric Equivalent Classification: Parts that maintain identical or superior electrical specifications across all critical parameters including Vdss, Id, Rds On, Vgs(th), and power dissipation, while preserving the same package type and mounting configuration.

Direct Manufacturer Equivalent Classification: Parts that exceed the electrical specifications of the main part (higher voltage rating, higher current capacity, or lower on-state resistance) while maintaining mechanical compatibility through the same package footprint.

The key parameters determining substitution eligibility are:

Drain-to-Source Voltage (Vdss) rating equal to or greater than 50V
Continuous Drain Current (Id) equal to or greater than 5.3A
On-State Resistance (Rds On) equal to or lower than 500mOhm
Gate Threshold Voltage (Vgs(th)) matching at 4V
Package compatibility with TO-251AA (IPAK) through-hole mounting
Operating temperature range encompassing -55°C to 150°C

Parameter Comparison

Parameter	IRFU9010	IRFU9010PBF	IRFU9024NPBF	Unit
Manufacturer	Vishay Siliconix	Vishay Siliconix	Infineon Technologies	—
FET Type	P-Channel	P-Channel	P-Channel	—
Drain to Source Voltage (Vdss)	50	50	55	V
Continuous Drain Current (Id) @ 25°C	5.3	5.3	11	A
On-State Resistance (Rds On) @ Vgs 10V	500 @ 2.8A	500 @ 2.8A	175 @ 6.6A	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	4	4	4	V
Gate Charge (Qg) @ 10V	9.1	9.1	19	nC
Input Capacitance (Ciss) @ 25V	240	240	350	pF
Power Dissipation (Max)	25	25	38	W
Operating Temperature Range	-55 to 150	-55 to 150	-55 to 150	°C
Package Type	TO-251AA	TO-251AA	IPAK (TO-251AA)	—
Mounting Type	Through Hole	Through Hole	Through Hole	—
Product Status	Obsolete	Active	Active	—
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	—

Engineering Selection Recommendations

IRFU9010PBF Selection Criteria:

The IRFU9010PBF is a parametric equivalent manufactured by Vishay Siliconix with identical electrical specifications to the IRFU9010. This part maintains 50V Vdss, 5.3A Id, and 500mOhm Rds On characteristics. The primary distinction is product status: IRFU9010PBF is active and ROHS3 compliant, whereas the original IRFU9010 is obsolete and non-compliant. The IRFU9010PBF is supplied in tube packaging and is suitable for direct replacement in applications requiring compliance with modern environmental and regulatory standards. This substitute is recommended for new designs and ongoing production where RoHS compliance is mandatory.

IRFU9024NPBF Selection Criteria:

The IRFU9024NPBF is a direct manufacturer equivalent produced by Infineon Technologies that exceeds the electrical specifications of the IRFU9010. This part provides 55V Vdss (5V higher), 11A Id (2.1× higher current capacity), and 175mOhm Rds On (65% lower resistance). The IRFU9024NPBF is rated for 38W power dissipation compared to 25W for the IRFU9010. Both parts share identical gate threshold voltage (4V), operating temperature range (-55°C to 150°C), and TO-251AA package footprint. The IRFU9024NPBF is active and ROHS3 compliant. This substitute is suitable for applications where higher current handling, lower on-state losses, or higher voltage margin is beneficial. The increased gate charge (19nC versus 9.1nC) and input capacitance (350pF versus 240pF) must be evaluated against gate driver capabilities in the target circuit.

Both substitutes maintain through-hole TO-251AA mounting compatibility and are available in active product status with full regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can IRFU9010PBF be used as a direct replacement for IRFU9010 in existing designs?

A: Yes. The IRFU9010PBF maintains identical electrical specifications including 50V Vdss, 5.3A continuous drain current, 500mOhm on-state resistance, and 4V gate threshold voltage. The primary differences are product status (active versus obsolete) and RoHS compliance (ROHS3 compliant versus non-compliant). No circuit modifications are required for substitution.

Q: What are the advantages of using IRFU9024NPBF over IRFU9010PBF?

A: The IRFU9024NPBF provides superior electrical performance: 55V Vdss (versus 50V), 11A continuous drain current (versus 5.3A), and 175mOhm on-state resistance (versus 500mOhm). These characteristics result in lower power dissipation and higher current capacity. The trade-off is increased gate charge (19nC versus 9.1nC) and input capacitance (350pF versus 240pF), which may require gate driver evaluation.

Q: Are all three parts mechanically compatible?

A: Yes. All three parts use TO-251AA (IPAK) through-hole packaging with identical pin configuration and footprint. No PCB layout modifications are necessary for substitution.

Q: What is the significance of the product status difference between IRFU9010 and its substitutes?

A: The IRFU9010 is classified as obsolete, indicating discontinued manufacturing and limited availability. IRFU9010PBF and IRFU9024NPBF are active products with ongoing production and supply chain support. For new designs and long-term production, active substitutes are recommended to ensure component availability and supply continuity.

Q: Does RoHS compliance affect electrical performance?

A: No. RoHS compliance is a manufacturing and material standard that does not alter electrical specifications. ROHS3-compliant parts (IRFU9010PBF and IRFU9024NPBF) meet environmental and regulatory requirements while maintaining identical or superior electrical performance compared to non-compliant parts.

Q: Can IRFU9024NPBF be used in applications designed for IRFU9010 without circuit modifications?

A: Yes, with design review. The IRFU9024NPBF exceeds all critical electrical specifications (voltage, current, and resistance) and maintains the same package footprint. However, the increased gate charge and input capacitance require verification that the gate driver circuit can accommodate these parameters. No modifications to power circuit topology are necessary.

Q: What packaging options are available for these substitutes?

A: IRFU9010PBF is supplied in tube packaging. IRFU9024NPBF is supplied in tube packaging. Both are through-hole components suitable for manual and automated assembly processes.

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