IRFU9014 P-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The IRFU9014 is a P-Channel MOSFET rated for 60V drain-to-source voltage with 5.1A continuous drain current in a Through Hole TO-251AA package. This device is classified as Obsolete, making identification of active equivalent and substitute parts essential for ongoing design support and procurement continuity. The IRFU9014 remains available in inventory but is no longer in active production, necessitating evaluation of functionally compatible alternatives for new designs and production restocking.

Substiute Parts

IRFU9014

Vishay SiliconixIn Stock: 3975IRFU9014 Datasheet

Current PartRFQ

IRFU9014PBF

Vishay SiliconixIn Stock: 33708IRFU9014PBF Datasheet

Parametric EquivalentRFQ

IRFU9024NPBF

Infineon TechnologiesIn Stock: 35409IRFU9024NPBF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IRFU9014 is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

• FET Type: P-Channel
• Technology: MOSFET (Metal Oxide)
• Drain to Source Voltage (Vdss): 60V minimum
• Current - Continuous Drain (Id): 5.1A minimum
• Rds On (Max): 500mOhm or lower
• Vgs(th) (Max): 4V or lower
• Gate Charge (Qg): 12nC or lower
• Vgs (Max): ±20V or higher
• Input Capacitance (Ciss): 270pF or lower
• Operating Temperature: -55°C to 150°C minimum
• Mounting Type: Through Hole
• Package: TO-251AA compatible

Parametric Equivalent Classification: The IRFU9014PBF meets all electrical and mechanical parameters identically to the IRFU9014. This part is a direct parametric equivalent with identical specifications and is classified as Active product status with RoHS3 compliance.

Direct Manufacturer Substitute Classification: The IRFU9024NPBF is a higher-performance P-Channel MOSFET that exceeds the minimum requirements of the IRFU9014 across multiple parameters. While the Vdss rating is 55V (5V lower than the IRFU9014), the continuous drain current is 11A (2.2× higher), Rds On is 175mOhm (65% lower), and power dissipation is 38W (52% higher). This part is compatible with applications where the 55V rating is acceptable and where improved current handling and reduced on-resistance provide design benefits.

Parameter Comparison

Engineering Selection Recommendations

IRFU9014PBF - Parametric Equivalent: The IRFU9014PBF is the direct parametric equivalent of the IRFU9014 with identical electrical and mechanical specifications. This part is classified as Active product status and carries RoHS3 compliance certification. Selection of IRFU9014PBF is appropriate for applications requiring exact parameter matching and is the preferred choice for design continuity when the IRFU9014 reaches end-of-life. The primary distinction is packaging format (Tube) and active production status, which ensures long-term availability and regulatory compliance.

IRFU9024NPBF - Higher-Performance Substitute: The IRFU9024NPBF is a higher-performance P-Channel MOSFET manufactured by Infineon Technologies under the HEXFET® series. This part is suitable for applications where the 55V Vdss rating is acceptable and where improved electrical performance is beneficial. The IRFU9024NPBF provides 2.2× higher continuous drain current (11A vs. 5.1A), 65% lower on-resistance (175mOhm vs. 500mOhm), and 52% higher power dissipation capability (38W vs. 25W). This part is Active product status with RoHS3 compliance. Selection of IRFU9024NPBF is appropriate for new designs where voltage headroom permits the 55V rating and where enhanced current handling and thermal performance provide system-level benefits.

Compliance Considerations: Both substitute parts carry RoHS3 compliance certification, whereas the original IRFU9014 is RoHS non-compliant. For applications subject to RoHS regulatory requirements, either substitute part satisfies compliance obligations. Both parts maintain REACH Unaffected status and EAR99 export classification consistent with the original device.

Frequently Asked Questions (FAQ)

Q: Can IRFU9014PBF be used as a direct replacement for IRFU9014?

A: Yes. The IRFU9014PBF is a parametric equivalent with identical electrical and mechanical specifications. All key parameters including Vdss (60V), Id (5.1A), Rds On (500mOhm), Vgs(th) (4V), gate charge (12nC), and operating temperature range (-55°C to 150°C) are identical. The primary difference is product status (Active vs. Obsolete) and packaging format (Tube). Pin configuration and TO-251AA package dimensions are identical, enabling direct PCB substitution.

Q: What is the primary difference between IRFU9014 and IRFU9024NPBF?

A: The IRFU9024NPBF is a higher-performance device with improved electrical characteristics. The Vdss rating is 55V (5V lower), but continuous drain current is 11A (2.2× higher), on-resistance is 175mOhm (65% lower), and power dissipation is 38W (52% higher). Gate charge is 19nC (58% higher) and input capacitance is 350pF (30% higher). Both devices share identical Vgs(th), Vgs (Max), and operating temperature range. The IRFU9024NPBF is suitable for applications where the 55V rating is acceptable and where improved current handling and thermal performance are advantageous.

Q: Are both substitute parts compatible with the original IRFU9014 PCB layout?

A: Yes. Both IRFU9014PBF and IRFU9024NPBF use the TO-251AA package with identical pin configuration and mechanical dimensions. No PCB layout modifications are required for either substitute part. Thermal performance may improve with IRFU9024NPBF due to higher power dissipation capability, but existing thermal design remains valid.

Q: Which substitute part should be selected for new designs?

A: For new designs requiring exact parameter matching, select IRFU9014PBF. For new designs where improved performance is beneficial and the 55V Vdss rating is acceptable, select IRFU9024NPBF. Both parts are Active product status with RoHS3 compliance, ensuring long-term availability and regulatory compliance. Evaluate application voltage requirements and current/thermal demands to determine the optimal choice.

Q: What is the impact of the 5V lower Vdss rating on IRFU9024NPBF?

A: The IRFU9024NPBF Vdss rating of 55V is 5V lower than the IRFU9014 60V rating. This difference is acceptable in applications where the maximum drain-to-source voltage does not exceed 55V. For applications requiring the full 60V rating, IRFU9014PBF is the appropriate selection. Verify application voltage requirements before selecting IRFU9024NPBF.

Q: Are there RoHS compliance differences between the substitute parts?

A: The original IRFU9014 is RoHS non-compliant. Both substitute parts (IRFU9014PBF and IRFU9024NPBF) carry RoHS3 compliance certification. For applications subject to RoHS regulatory requirements, either substitute part satisfies compliance obligations. Both parts maintain REACH Unaffected status consistent with the original device.

Q: What is the significance of the gate charge difference between IRFU9014 and IRFU9024NPBF?

A: The IRFU9024NPBF gate charge is 19nC at 10V, compared to 12nC for the IRFU9014. Higher gate charge requires greater driver current or longer switching times. This difference is relevant for high-frequency switching applications or where driver current is limited. For low-frequency or DC applications, this difference has minimal impact. Evaluate gate driver capability when selecting IRFU9024NPBF for high-frequency designs.

Q: What is the significance of the input capacitance difference between IRFU9014 and IRFU9024NPBF?

A: The IRFU9024NPBF input capacitance is 350pF at 25V, compared to 270pF for the IRFU9014. Higher input capacitance increases gate charge and switching losses in high-frequency applications. For low-frequency or DC applications, this difference has minimal impact. Evaluate switching frequency and driver capability when selecting IRFU9024NPBF for high-frequency designs.