IRFR024NTRLPBF N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The IRFR024NTRLPBF is an N-Channel MOSFET manufactured by Infineon Technologies in the HEXFET® series, rated for 55V drain-to-source voltage and 17A continuous drain current at 25°C. The device is packaged in TO-252-3 (DPAK) surface mount configuration with a maximum power dissipation of 45W at case temperature. This part is designated as "Not For New Designs" by the manufacturer, necessitating identification of active alternative components that maintain electrical and mechanical compatibility for existing applications or new designs requiring equivalent performance characteristics.

Key Parameters

Parameter	Value	Unit
Drain-to-Source Voltage (Vdss)	55	V
Continuous Drain Current (Id) @ 25°C	17	A (Tc)
On-State Resistance (Rds On) @ 10A, 10V	75	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	4	V
Gate Charge (Qg) @ 10V	20	nC
Input Capacitance (Ciss) @ 25V	370	pF
Power Dissipation (Max) @ Tc	45	W
Operating Temperature Range	-55 to 175	°C (TJ)
Package Type	TO-252-3 (DPAK)	Surface Mount
Packaging Format	Tape & Reel (TR)	-

Substitute Part Grouping Explanation

Substitution of the IRFR024NTRLPBF is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Drain-to-Source Voltage (Vdss): Minimum 55V (equal or higher acceptable)
Continuous Drain Current (Id) @ 25°C: Minimum 17A (equal or higher acceptable)
On-State Resistance (Rds On): Maximum 75mOhm @ specified conditions (lower acceptable)
Gate Threshold Voltage (Vgs(th)): 4V nominal (range ±1V acceptable)
Package Type: TO-252-3 (DPAK) surface mount (mandatory)
Operating Temperature Range: Minimum -55°C to 175°C (equal or wider acceptable)

Secondary Compatibility Parameters:

Gate Charge (Qg): 20nC nominal (higher values acceptable with circuit design verification)
Input Capacitance (Ciss): 370pF nominal (variations acceptable within application requirements)
Power Dissipation: 45W minimum (higher ratings acceptable)

Substitute parts are grouped into two categories: Parametric Equivalents (identical electrical specifications with different packaging formats) and Manufacturer Recommended Alternatives (active production parts with equal or superior electrical performance in the same package family).

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Vgs(th) (V)	Qg (nC)	Ciss (pF)	Pd Max (W)	Tj Range (°C)	Package	Status
IRFR024NTRLPBF	Infineon	55	17 (Tc)	75 @ 10A, 10V	4 @ 250µA	20 @ 10V	370 @ 25V	45 (Tc)	-55 to 175	TO-252-3 (TR)	Not For New Designs
IRFR024NTRPBF	Infineon	55	17 (Tc)	75 @ 10A, 10V	4 @ 250µA	20 @ 10V	370 @ 25V	45 (Tc)	-55 to 175	TO-252-3 (CT)	Active
IRFR024TRLPBF	Vishay Siliconix	60	14 (Tc)	100 @ 8.4A, 10V	4 @ 250µA	25 @ 10V	640 @ 25V	42 (Tc)	-55 to 150	TO-252-3 (TR)	Active
IRFR024TRPBF	Vishay Siliconix	60	14 (Tc)	100 @ 8.4A, 10V	4 @ 250µA	25 @ 10V	640 @ 25V	42 (Tc)	-55 to 150	TO-252-3 (TR)	Active
IRFR024PBF	Vishay Siliconix	60	14 (Tc)	100 @ 8.4A, 10V	4 @ 250µA	25 @ 10V	640 @ 25V	42 (Tc)	-55 to 150	TO-252-3 (Tube)	Active
IRFR024TRR	Vishay Siliconix	60	14 (Tc)	100 @ 8.4A, 10V	4 @ 250µA	25 @ 10V	640 @ 25V	42 (Tc)	-55 to 150	TO-252-3	Active
AOD444	Alpha & Omega Semiconductor	60	12 (Tc)	60 @ 12A, 10V	3 @ 250µA	10 @ 10V	540 @ 30V	20 (Tc)	-55 to 175	TO-252-3 (CT)	Active
STD12NF06T4	STMicroelectronics	60	12 (Tc)	100 @ 6A, 10V	4 @ 250µA	12 @ 10V	315 @ 25V	30 (Tc)	-55 to 175	TO-252-3 (CT)	Active
STD16NF06T4	STMicroelectronics	60	16 (Tc)	70 @ 8A, 10V	2 @ 250µA	14.1 @ 10V	400 @ 15V	40 (Tc)	-55 to 175	TO-252-3 (CT)	Active
STD16NF06LT4	STMicroelectronics	60	24 (Tc)	70 @ 8A, 10V	1 @ 250µA	7.5 @ 5V	370 @ 25V	40 (Tc)	-55 to 175	TO-252-3 (CT)	Active
STD15NF10T4	STMicroelectronics	100	23 (Tc)	65 @ 12A, 10V	4 @ 250µA	40 @ 10V	870 @ 25V	70 (Tc)	-55 to 175	TO-252-3 (CT)	Active

Engineering Selection Recommendations

Tier 1: Direct Parametric Equivalent

IRFR024NTRPBF (Infineon Technologies) is the direct parametric equivalent to IRFR024NTRLPBF, offering identical electrical specifications with active product status. The only difference is packaging format: Cut Tape (CT) & Digi-Reel® versus Tape & Reel (TR). This part is ROHS3 compliant and maintains full compatibility for new designs. Inventory availability is significantly higher (205,200 units) compared to the original part (2,250 units).

Tier 2: Vishay Siliconix IRFR024 Series

IRFR024TRLPBF, IRFR024TRPBF, IRFR024PBF, and IRFR024TRR are active Vishay Siliconix alternatives with the same base part number (IRFR024). These devices feature 60V Vdss (5V higher than original), 14A continuous drain current (3A lower than original), and 100mOhm Rds On (25mOhm higher than original). Operating temperature range is -55°C to 150°C (25°C lower maximum than original). These parts are suitable for applications where the original 55V rating is not a limiting factor and where the reduced current rating is acceptable. All are ROHS3 compliant except IRFR024TRR (RoHS non-compliant). Packaging options include Tape & Reel (TRLPBF, TRPBF, TRR) and Tube (PBF).

Tier 3: STMicroelectronics STripFET™ II Series

STD16NF06T4 and STD16NF06LT4 provide 60V Vdss with 16A and 24A continuous drain current respectively. STD16NF06T4 offers 70mOhm Rds On (5mOhm lower than original) with 16A current rating (1A lower than original). STD16NF06LT4 provides superior 24A current capability with 70mOhm Rds On. Both devices operate across -55°C to 175°C temperature range and are ROHS3 compliant. STD12NF06T4 provides 12A current with 100mOhm Rds On and is suitable for lower-current applications. STD15NF10T4 offers higher voltage (100V) and current (23A) ratings for applications requiring enhanced performance margin.

Tier 4: Alpha & Omega Semiconductor AOD444

AOD444 provides 60V Vdss with 12A continuous drain current and superior 60mOhm Rds On (15mOhm lower than original). This device operates across -55°C to 175°C and is ROHS3 compliant. Lower gate charge (10nC versus 20nC) and reduced input capacitance (540pF versus 370pF) may provide switching performance advantages in specific circuit topologies. Suitable for applications where current rating of 12A is acceptable and lower on-resistance is beneficial.

Compliance and Certification Status:

All recommended Tier 1, 2, and 3 alternatives are ROHS3 compliant and REACH unaffected, with EAR99 export classification. IRFR024TRR is RoHS non-compliant and should be avoided for new designs requiring regulatory compliance. IRFR024TRPBF has REACH Affected status and requires verification for specific end-use applications.

Frequently Asked Questions (FAQ)

Q1: Can IRFR024NTRPBF directly replace IRFR024NTRLPBF in existing designs?

A: Yes. IRFR024NTRPBF is a direct parametric equivalent with identical electrical specifications (55V Vdss, 17A Id, 75mOhm Rds On, 45W Pd). The only difference is packaging format: Cut Tape & Digi-Reel® versus Tape & Reel. Both use TO-252-3 (DPAK) surface mount package. Electrical performance and PCB footprint are identical. IRFR024NTRPBF has active product status and higher inventory availability.

Q2: What are the key differences between IRFR024NTRLPBF and Vishay IRFR024TRLPBF?

A: IRFR024TRLPBF has 60V Vdss (5V higher), 14A Id (3A lower), and 100mOhm Rds On (25mOhm higher) compared to IRFR024NTRLPBF. Maximum operating temperature is 150°C versus 175°C. Both use TO-252-3 package. IRFR024TRLPBF is suitable if the application does not require the full 17A current rating and can tolerate higher on-resistance. Verify circuit performance under worst-case conditions before substitution.

Q3: Are STMicroelectronics STD16NF06T4 and STD16NF06LT4 interchangeable?

A: No. STD16NF06T4 provides 16A continuous drain current with 70mOhm Rds On. STD16NF06LT4 provides 24A continuous drain current with 70mOhm Rds On. Both use TO-252-3 package and operate across -55°C to 175°C. STD16NF06LT4 offers higher current capability and lower gate threshold voltage (1V versus 2V). Select based on application current requirements. Both are ROHS3 compliant.

Q4: What is the significance of the "Not For New Designs" status of IRFR024NTRLPBF?

A: "Not For New Designs" indicates the manufacturer (Infineon) has discontinued active development and recommends alternative parts for new circuit designs. Existing inventory remains available, but long-term supply cannot be guaranteed. For new designs, IRFR024NTRPBF (Infineon, active status) or STMicroelectronics STD16NF06T4 (active status) are recommended alternatives.

Q5: How do gate charge (Qg) and input capacitance (Ciss) differences affect circuit performance?

A: Gate charge and input capacitance determine gate drive requirements and switching speed. IRFR024NTRLPBF has 20nC Qg and 370pF Ciss. STD16NF06T4 has 14.1nC Qg and 400pF Ciss. AOD444 has 10nC Qg and 540pF Ciss. Lower gate charge reduces gate drive power and enables faster switching. Higher input capacitance may require stronger gate drive circuits. Verify gate driver capability and switching frequency performance before substitution in high-frequency applications.

Q6: What packaging format should be selected: Tape & Reel (TR), Cut Tape (CT), or Tube?

A: Tape & Reel (TR) is standard for high-volume automated assembly. Cut Tape (CT) & Digi-Reel® is suitable for medium-volume production and offers flexibility. Tube packaging is used for lower-volume or manual assembly. All three formats use identical TO-252-3 (DPAK) surface mount package with the same PCB footprint. Selection depends on production volume and assembly equipment capability, not electrical performance.

Q7: Can AOD444 replace IRFR024NTRLPBF in power supply applications?

A: AOD444 can replace IRFR024NTRLPBF if the application current requirement does not exceed 12A (AOD444 rating versus 17A original). AOD444 offers superior on-resistance (60mOhm versus 75mOhm), lower gate charge (10nC versus 20nC), and identical 60V Vdss capability. Operating temperature range is -55°C to 175°C (same as original). Verify circuit performance at maximum load current and thermal conditions before substitution.

Q8: Is IRFR024TRR suitable for new designs?

A: No. IRFR024TRR is RoHS non-compliant and should not be used in new designs requiring regulatory compliance (RoHS3, REACH). Use IRFR024TRPBF (ROHS3 compliant, REACH Affected) or IRFR024TRLPBF (ROHS3 compliant, REACH Unaffected) as alternatives if Vishay IRFR024 series is required.

Q9: What is the thermal performance difference between IRFR024NTRLPBF and STD16NF06T4?

A: IRFR024NTRLPBF has 45W maximum power dissipation at case temperature. STD16NF06T4 has 40W maximum power dissipation at case temperature. Both use TO-252-3 (DPAK) package with identical thermal characteristics. STD16NF06T4 has lower on-resistance (70mOhm versus 75mOhm), which reduces power dissipation in conduction-limited applications. Verify thermal design and heat sink requirements for specific application conditions.

Q10: Which substitute part offers the best overall performance match to IRFR024NTRLPBF?

A: IRFR024NTRPBF (Infineon) is the best overall match, providing identical electrical specifications and active product status. For alternative manufacturers, STD16NF06T4 (STMicroelectronics) offers comparable performance with 16A current (1A lower), 70mOhm on-resistance (5mOhm lower), and extended temperature range to 175°C. Both are ROHS3 compliant and use TO-252-3 package. Selection depends on supply chain preference and availability requirements.

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