Equivalent & Substitute Parts for IRLR024NTRRPBF

Part Overview

The IRLR024NTRRPBF is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 55V drain-to-source voltage with 17A continuous drain current at 25°C. This device is housed in a TO-252AA (DPAK) surface mount package and is classified as obsolete. Due to its obsolete status, equivalent and substitute parts from active manufacturers are necessary for new designs and ongoing production requirements. Substitute devices must maintain electrical compatibility within the specified parameter ranges while meeting current manufacturing and compliance standards.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain to Source Voltage (Vdss)	55	V
Continuous Drain Current (Id) @ 25°C	17	A (Tc)
On-State Resistance (Rds On) @ 10A, 10V	65	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	2	V (Max)
Power Dissipation (Max)	45	W (Tc)
Operating Temperature Range	-55 to 175	°C (TJ)
Package Type	TO-252-3 (DPAK)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the IRLR024NTRRPBF is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Drain-to-Source Voltage (Vdss): Must equal or exceed 55V
Continuous Drain Current (Id): Must equal or exceed 17A at 25°C
On-State Resistance (Rds On): Must not exceed 65mOhm at specified test conditions
Gate Threshold Voltage (Vgs(th)): Must be compatible with 2V maximum specification
Power Dissipation: Must support minimum 45W at Tc
Package: TO-252-3 (DPAK) surface mount only
Operating Temperature: Must support -55°C to 175°C range

Substitution Categories:

Category 1: Parametric Equivalent (Direct Replacement) IRLR024NTRPBF from Infineon Technologies meets all electrical specifications identically and differs only in packaging format (Cut Tape & Digi-Reel). This part is active and maintains full compatibility.

Category 2: Functional Equivalents (Higher Voltage Rating) Parts with Vdss of 60V or higher are functionally equivalent when all other parameters meet or exceed the IRLR024NTRRPBF specifications. These include AOD444, DMN6068LK3-13, STD16NF06LT4, and STD20NF06LT4. Higher voltage ratings provide design margin without compromising performance in 55V applications.

Category 3: Related Variants (Same Base Part, Different Packaging) IRLR024, IRLR024TR, IRLR024TRL, and IRLR024TRR are Vishay Siliconix variants of the same base design with different packaging designations. These maintain the DPAK package but operate at 60V with 14A continuous current, representing a lower current rating.

Category 4: Higher Current Capability NTD20N06LT4G from onsemi provides 20A continuous current at 60V, exceeding the 17A requirement while maintaining DPAK packaging and compatible electrical characteristics.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Vgs(th) (V)	Power Diss. (W)	Temp Range (°C)	Status	RoHS
IRLR024NTRRPBF	Infineon	55	17 (Tc)	65 @ 10A, 10V	2 (Max)	45 (Tc)	-55 to 175	Obsolete	ROHS3
IRLR024NTRPBF	Infineon	55	17 (Tc)	65 @ 10A, 10V	2 (Max)	45 (Tc)	-55 to 175	Active	ROHS3
AOD444	Alpha & Omega	60	12 (Tc)	60 @ 12A, 10V	3 (Max)	20 (Tc)	-55 to 175	Active	ROHS3
DMN6068LK3-13	Diodes Inc.	60	6 (Ta)	68 @ 12A, 10V	3 (Max)	2.12 (Ta)	-55 to 150	Active	ROHS3
IRLR024	Vishay	60	14 (Tc)	100 @ 8.4A, 5V	2 (Max)	42 (Tc)	-55 to 150	Active	Non-compliant
IRLR024TR	Vishay	60	14 (Tc)	100 @ 8.4A, 5V	2 (Max)	42 (Tc)	-55 to 150	Active	Non-compliant
IRLR024TRL	Vishay	60	14 (Tc)	100 @ 8.4A, 5V	2 (Max)	42 (Tc)	-55 to 150	Active	Non-compliant
IRLR024TRR	Vishay	60	14 (Tc)	100 @ 8.4A, 5V	2 (Max)	42 (Tc)	-55 to 150	Active	Non-compliant
NTD20N06LT4G	onsemi	60	20 (Ta)	48 @ 10A, 5V	2 (Max)	60 (Tj)	-55 to 175	Obsolete	ROHS3
STD16NF06LT4	STMicroelectronics	60	24 (Tc)	70 @ 8A, 10V	1 (Max)	40 (Tc)	-55 to 175	Active	ROHS3
STD20NF06LT4	STMicroelectronics	60	24 (Tc)	40 @ 12A, 10V	2.5 (Max)	60 (Tc)	-55 to 175	Active	ROHS3

Engineering Selection Recommendations

First Priority: IRLR024NTRPBF (Infineon Technologies)

IRLR024NTRPBF is the direct parametric equivalent to IRLR024NTRRPBF. It maintains identical electrical specifications across all critical parameters: 55V Vdss, 17A continuous drain current, 65mOhm Rds On, and 45W power dissipation. The part is currently in active production status, ensuring long-term availability and supply chain stability. It carries ROHS3 compliance certification identical to the original part. The only difference is packaging format (Cut Tape & Digi-Reel versus bulk), which does not affect electrical performance. This part is recommended for direct substitution in all applications.

Second Priority: STD20NF06LT4 (STMicroelectronics)

STD20NF06LT4 provides superior electrical performance with 60V Vdss, 24A continuous drain current, and 40mOhm Rds On at 12A/10V. It exceeds the original part's current and power dissipation ratings (60W Tc versus 45W Tc) while maintaining the same operating temperature range (-55°C to 175°C). ROHS3 compliance is confirmed. The higher current capability and lower on-state resistance provide design margin for applications requiring enhanced performance. This part is suitable for new designs where improved thermal performance is beneficial.

Third Priority: STD16NF06LT4 (STMicroelectronics)

STD16NF06LT4 offers 60V Vdss with 24A continuous drain current and 70mOhm Rds On. It provides higher current capacity than the original specification while maintaining ROHS3 compliance and the full -55°C to 175°C operating range. Power dissipation is rated at 40W Tc. This part is appropriate for applications where current margin is required but thermal performance is less critical than STD20NF06LT4.

Fourth Priority: NTD20N06LT4G (onsemi)

NTD20N06LT4G provides 60V Vdss with 20A continuous drain current, exceeding the original 17A specification. On-state resistance is 48mOhm at 10A/5V, providing improved efficiency. Power dissipation reaches 60W at Tj, supporting higher thermal loads. Operating temperature range matches the original (-55°C to 175°C), and ROHS3 compliance is confirmed. However, this part is classified as obsolete, limiting its suitability for new long-term designs despite its superior electrical characteristics.

Not Recommended: Vishay IRLR024 Variants (IRLR024, IRLR024TR, IRLR024TRL, IRLR024TRR)

These parts do not carry RoHS3 compliance certification, which disqualifies them from applications requiring regulatory compliance. Additionally, they operate at 60V with only 14A continuous current, providing less margin than the original 17A specification. The higher on-state resistance (100mOhm at 8.4A/5V) results in increased power dissipation and thermal management challenges. These parts are not suitable for new designs or compliance-critical applications.

Not Recommended: AOD444 (Alpha & Omega Semiconductor)

AOD444 provides only 12A continuous drain current at Tc, falling below the original 17A requirement. While it offers 60V Vdss and improved on-state resistance (60mOhm), the reduced current rating makes it unsuitable for direct substitution in applications requiring the full 17A capability.

Not Recommended: DMN6068LK3-13 (Diodes Incorporated)

DMN6068LK3-13 provides only 6A continuous drain current at Ta, significantly below the 17A requirement. The reduced operating temperature range (-55°C to 150°C versus -55°C to 175°C) further limits its applicability. This part is not suitable for substitution in the specified application.

Frequently Asked Questions (FAQ)

Q1: Can IRLR024NTRPBF be used as a direct replacement for IRLR024NTRRPBF?

Yes. IRLR024NTRPBF is the direct parametric equivalent with identical electrical specifications. The only difference is packaging format (Cut Tape & Digi-Reel). Both parts are rated for 55V, 17A, 65mOhm Rds On, and 45W power dissipation. Both carry ROHS3 compliance. No circuit modifications are required.

Q2: Why do some substitute parts have higher voltage ratings (60V instead of 55V)?

Higher voltage ratings provide design margin and do not compromise performance in 55V applications. A 60V-rated device operates safely at 55V with additional voltage headroom. This is a standard engineering practice that improves reliability without affecting circuit function.

Q3: What is the significance of the Rds On (on-state resistance) parameter in substitution?

Rds On directly affects power dissipation and thermal performance. Lower Rds On values reduce heat generation during operation. When substituting, Rds On should not exceed the original specification at the same test conditions. Lower values indicate improved efficiency and are generally preferable.

Q4: Why is operating temperature range important for substitution?

The operating temperature range defines the thermal limits of the device. The original IRLR024NTRRPBF supports -55°C to 175°C. Substitute parts must support at least this range to ensure reliable operation across all environmental conditions. Parts with reduced temperature ranges (such as -55°C to 150°C) may not be suitable for applications requiring the full thermal envelope.

Q5: What does RoHS3 compliance mean, and why does it matter?

RoHS3 (Restriction of Hazardous Substances Directive 3) compliance indicates that the device meets European environmental regulations restricting hazardous materials. For applications subject to regulatory requirements, substitute parts must carry equivalent or superior compliance certifications. Non-compliant parts may not be acceptable for regulated industries.

Q6: Can I use STD20NF06LT4 in place of IRLR024NTRRPBF?

Yes, with design verification. STD20NF06LT4 exceeds all critical specifications: 60V Vdss (versus 55V), 24A continuous current (versus 17A), and 40mOhm Rds On (versus 65mOhm). It provides superior performance and thermal characteristics. However, circuit-level verification is recommended to confirm compatibility with gate drive voltage and switching characteristics specific to your application.

Q7: Why are Vishay IRLR024 variants not recommended?

Vishay IRLR024 variants (IRLR024, IRLR024TR, IRLR024TRL, IRLR024TRR) do not carry RoHS3 compliance certification, which disqualifies them from regulated applications. Additionally, they provide only 14A continuous current versus the original 17A, offering less design margin. The higher on-state resistance (100mOhm) increases power dissipation and thermal load.

Q8: What is the difference between Ta and Tc temperature specifications?

Ta (ambient temperature) refers to the surrounding air temperature, while Tc (case temperature) refers to the device package temperature. Tc-based ratings are typically higher because the junction temperature can exceed the case temperature. When comparing specifications, ensure you are comparing equivalent temperature bases (Ta to Ta or Tc to Tc).

Q9: Is the TO-252-3 (DPAK) package interchangeable across all substitute parts?

Yes. All substitute parts listed in this document use the TO-252-3 (DPAK) surface mount package with identical pinout and mechanical dimensions. No PCB layout modifications are required for package compatibility.

Q10: What should I do if my application requires the exact 55V rating without higher voltage substitutes?

IRLR024NTRPBF is the only active substitute that maintains the exact 55V Vdss rating. All other active alternatives operate at 60V. If your circuit design specifically requires 55V operation, IRLR024NTRPBF is the appropriate choice. Higher voltage ratings do not create functional issues in 55V applications but may be unnecessary if your design margin is already adequate.

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