IRLR7833TR N-Channel 30V 140A MOSFET Equivalent & Substitute Parts

Part Overview

The IRLR7833TR is an N-Channel MOSFET manufactured by Infineon Technologies, designed for high-current switching applications in the 30V class. This device features a continuous drain current rating of 140A at 25°C (Tc) with a maximum power dissipation of 140W, housed in a TO-252AA (DPAK) surface mount package. The part is classified as Obsolete, indicating it is no longer in active production. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this component.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain to Source Voltage (Vdss)	30	V
Continuous Drain Current (Id) @ 25°C	140	A (Tc)
Rds On (Max) @ 15A, 10V	4.5	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	2.3	V
Power Dissipation (Max)	140	W (Tc)
Operating Temperature Range	-55 to 175	°C (TJ)
Package Type	TO-252-3 (DPAK)	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution of the IRLR7833TR is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Drain to Source Voltage (Vdss): Must equal 30V
FET Type: Must be N-Channel MOSFET
Package: Must be TO-252-3 (DPAK) surface mount
Operating Temperature Range: Must support -55°C to 175°C minimum
Continuous Drain Current (Id): Must meet or exceed 140A at 25°C (Tc)
Rds On (Max): Must not exceed 4.5mOhm at specified conditions
Gate Threshold Voltage: Must be within ±20V maximum gate voltage specification

Substitute Categories:

Category 1: Parametric Equivalent (Identical Electrical Specifications)

IRLR7833TRPBF (Infineon Technologies): Identical electrical parameters with different packaging designation (Cut Tape & Digi-Reel®) and improved RoHS3 compliance status

Category 2: Manufacturer Recommended Substitutes (Functional Equivalents)

NVD4C05NT4G (onsemi): 30V, 90A (Tc), 4.1mOhm Rds On, DPAK package, Active product status, AEC-Q101 qualified
STD150N3LLH6 (STMicroelectronics): 30V, 80A (Tc), 2.8mOhm Rds On, DPAK package, Obsolete status
STD100N3LF3 (STMicroelectronics): 30V, 80A (Tc), 5.5mOhm Rds On, DPAK package, Obsolete status
DMTH3004LK3Q-13 (Diodes Incorporated): 30V, 75A (Tc), 4mOhm Rds On, TO-252-3 package, Active product status, AEC-Q101 qualified
AOD514 (Alpha & Omega Semiconductor Inc.): 30V, 46A (Tc), 6.5mOhm Rds On, DPAK package, Not For New Designs status
STD17NF03LT4 (STMicroelectronics): 30V, 17A (Tc), 50mOhm Rds On, DPAK package, Active product status (lower current rating)

All substitute parts maintain the same voltage class (30V), package form factor (DPAK/TO-252-3), and operating temperature range. Variations in continuous drain current and Rds On values reflect different device generations and manufacturing technologies.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A, Tc)	Rds On Max (mOhm)	Vgs(th) (V)	Power Diss. (W, Tc)	Package	Product Status	RoHS Status
IRLR7833TR	Infineon	30	140	4.5	2.3	140	TO-252-3 (DPAK)	Obsolete	Non-compliant
IRLR7833TRPBF	Infineon	30	140	4.5	2.3	140	TO-252-3 (DPAK)	Not For New Designs	ROHS3 Compliant
NVD4C05NT4G	onsemi	30	90	4.1	2.2	57	TO-252-3 (DPAK)	Active	ROHS3 Compliant
STD150N3LLH6	STMicroelectronics	30	80	2.8	2.5	110	TO-252-3 (DPAK)	Obsolete	ROHS3 Compliant
STD100N3LF3	STMicroelectronics	30	80	5.5	2.5	110	TO-252-3 (DPAK)	Obsolete	ROHS3 Compliant
DMTH3004LK3Q-13	Diodes Incorporated	30	75	4.0	3.0	107	TO-252-3	Active	ROHS3 Compliant
AOD514	Alpha & Omega Semiconductor	30	46	6.5	2.6	50	TO-252 (DPAK)	Not For New Designs	ROHS3 Compliant
STD17NF03LT4	STMicroelectronics	30	17	50	2.2	30	TO-252-3 (DPAK)	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): IRLR7833TRPBF is the direct parametric equivalent with identical electrical performance (140A continuous drain current, 4.5mOhm Rds On, 140W power dissipation). This part carries improved RoHS3 compliance status compared to the original IRLR7833TR. Packaging differs only in designation (Cut Tape & Digi-Reel® versus Tape & Reel), with no functional impact on circuit performance.

For Active Product Status (Recommended for New Designs): NVD4C05NT4G (onsemi) and DMTH3004LK3Q-13 (Diodes Incorporated) are the only Active product status alternatives. NVD4C05NT4G provides 90A continuous drain current with 4.1mOhm Rds On and carries AEC-Q101 automotive qualification. DMTH3004LK3Q-13 provides 75A continuous drain current with 4.0mOhm Rds On and also carries AEC-Q101 automotive qualification. Both support the full -55°C to 175°C operating temperature range and are RoHS3 compliant.

For Reduced Current Applications: STD17NF03LT4 (STMicroelectronics) is suitable only for applications requiring 17A or less continuous drain current. This part is Active and RoHS3 compliant but is not appropriate for the full 140A rating of the original device.

For Obsolete Product Replacement (Not Recommended for New Designs): STD150N3LLH6 and STD100N3LF3 (both STMicroelectronics) are classified as Obsolete. STD150N3LLH6 offers superior Rds On performance (2.8mOhm) at 80A continuous drain current. STD100N3LF3 provides 80A continuous drain current with 5.5mOhm Rds On. Both are RoHS3 compliant but should not be selected for new designs due to product status.

AOD514 (Alpha & Omega Semiconductor Inc.) is classified as Not For New Designs with significantly reduced current rating (46A continuous drain current) and higher Rds On (6.5mOhm). This part is suitable only for legacy design maintenance where current requirements are substantially lower than the original specification.

Frequently Asked Questions (FAQ)

Q: Can NVD4C05NT4G replace IRLR7833TR in all applications? A: NVD4C05NT4G is electrically compatible for applications requiring up to 90A continuous drain current. The 30V voltage rating, DPAK package, and operating temperature range (-55°C to 175°C) are identical. However, if the original design requires the full 140A rating, NVD4C05NT4G is not suitable. Verify actual circuit current requirements before substitution.

Q: What is the difference between IRLR7833TR and IRLR7833TRPBF? A: Both parts have identical electrical specifications (140A, 4.5mOhm Rds On, 140W power dissipation). The primary differences are packaging designation (Tape & Reel versus Cut Tape & Digi-Reel®) and RoHS compliance status (Non-compliant versus ROHS3 Compliant). IRLR7833TRPBF is the preferred choice for new applications requiring RoHS3 compliance.

Q: Are DMTH3004LK3Q-13 and NVD4C05NT4G interchangeable? A: Both parts share the same 30V voltage rating and DPAK package. However, they differ in continuous drain current (75A versus 90A), Rds On characteristics (4.0mOhm versus 4.1mOhm), and gate threshold voltage (3.0V versus 2.2V). DMTH3004LK3Q-13 carries automotive AEC-Q101 qualification, while NVD4C05NT4G also carries AEC-Q101. Substitution is possible if circuit current requirements do not exceed 75A and gate drive voltage is compatible with the 3.0V threshold.

Q: Why is STD17NF03LT4 listed as a substitute if it only provides 17A? A: STD17NF03LT4 is included because it shares the same 30V voltage class, DPAK package, and operating temperature range. It is suitable only for applications where the original IRLR7833TR was over-specified for current requirements. This part is Active and RoHS3 compliant, making it appropriate for legacy designs requiring lower current ratings.

Q: What does "Obsolete" product status mean for substitution? A: Obsolete status indicates the manufacturer has discontinued production and no longer supports the part. Parts classified as Obsolete (IRLR7833TR, STD150N3LLH6, STD100N3LF3) should not be selected for new designs. Existing inventory may be available from distributors, but long-term supply cannot be guaranteed. For new designs, select parts with Active or Not For New Designs status.

Q: Are all substitute parts RoHS3 compliant? A: All listed substitute parts carry RoHS3 compliance status except the original IRLR7833TR, which is RoHS non-compliant. IRLR7833TRPBF, NVD4C05NT4G, STD150N3LLH6, STD100N3LF3, DMTH3004LK3Q-13, AOD514, and STD17NF03LT4 are all ROHS3 Compliant.

Q: Can AOD514 be used as a direct replacement? A: AOD514 is not a direct replacement due to significantly reduced current rating (46A continuous drain current versus 140A) and higher Rds On (6.5mOhm versus 4.5mOhm). It is classified as Not For New Designs. AOD514 is suitable only for legacy design maintenance where actual circuit current requirements are substantially lower than the original 140A specification.

Q: What is the significance of AEC-Q101 qualification? A: AEC-Q101 is an automotive qualification standard indicating the part meets reliability and performance requirements for automotive applications. NVD4C05NT4G and DMTH3004LK3Q-13 both carry AEC-Q101 qualification, making them suitable for automotive and high-reliability applications. The original IRLR7833TR does not carry this qualification.

Q: How do I verify if a substitute part is suitable for my application? A: Compare the following parameters between the original part and substitute: (1) Drain to Source Voltage (Vdss) must equal 30V, (2) Continuous Drain Current (Id) must meet or exceed circuit requirements, (3) Rds On must be compatible with thermal and efficiency requirements, (4) Gate Threshold Voltage must be compatible with gate drive circuitry, (5) Package must be TO-252-3 (DPAK) for mechanical compatibility, (6) Operating temperature range must support application environment. Verify all parameters before implementation.

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