TSM033NA04LCR RLG Equivalent & Substitute Parts

Part Overview

The TSM033NA04LCR RLG is an N-Channel MOSFET manufactured by Taiwan Semiconductor Corporation, rated for 40V drain-to-source voltage with 141A continuous drain current at 25°C. This device is housed in an 8-PDFN (5x6) surface mount package and is designed for high-current switching applications requiring low on-resistance performance. The part carries an Obsolete product status, necessitating identification of functionally equivalent alternatives from active manufacturers for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value	Unit
Drain-to-Source Voltage (Vdss)	40	V
Continuous Drain Current (Id) @ 25°C	141	A (Tc)
On-Resistance (Rds On Max) @ 20A, 10V	3.3	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	2.5	V
Gate Charge (Qg) @ 10V	47	nC
Input Capacitance (Ciss) @ 20V	3130	pF
Power Dissipation (Max)	125	W (Tc)
Operating Temperature Range	-55 to 150	°C (TJ)
Package Type	8-PowerTDFN
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution eligibility for the TSM033NA04LCR RLG is determined by the following critical parameters:

Primary Matching Criteria:

Drain-to-Source Voltage (Vdss): 40V minimum
Continuous Drain Current (Id): 100A or greater at Tc
On-Resistance (Rds On): 3.7mOhm or lower
Gate Threshold Voltage (Vgs(th)): 2.0V to 2.5V
Operating Temperature Range: -55°C to 150°C minimum
Package Classification: 8-PowerTDFN surface mount
RoHS3 Compliance and MSL Level 1

Substitution Logic: Parts meeting all primary criteria are classified as direct substitutes. The TSM033NA04LCR RLG specifications establish the baseline for voltage rating, current handling, and thermal performance. Substitute parts must maintain or exceed these electrical characteristics while maintaining compatibility with the 8-PowerTDFN package footprint and surface mount assembly requirements.

Parameter Comparison

Parameter	TSM033NA04LCR RLG	BSC035N04LSGATMA1	BSC0902NSIATMA1	DMTH4005SPSQ-13	DMTH4005SPS-13	IRFH7446TRPBF
Manufacturer	Taiwan Semiconductor	Infineon	Infineon	Diodes Inc.	Diodes Inc.	Infineon
Vdss (V)	40	40	30	40	40	40
Id @ 25°C (A, Tc)	141	100	100	100	100	85
Rds On Max @ 10V (mOhm)	3.3 @ 20A	3.5 @ 50A	2.8 @ 30A	3.7 @ 50A	3.7 @ 50A	3.3 @ 50A
Vgs(th) @ Specified Id (V)	2.5 @ 250µA	2.0 @ 36µA	2.0 @ 10mA	4.0 @ 250µA	4.0 @ 250µA	3.9 @ 100µA
Qg @ 10V (nC)	47	64	32	49.1	49.1	98
Ciss @ Specified Vds (pF)	3130 @ 20V	5100 @ 20V	1500 @ 15V	3062 @ 20V	3062 @ 20V	3174 @ 25V
Power Dissipation Max (W, Tc)	125	69	48	150	150	78
Operating Temp Range (°C)	-55 to 150	-55 to 150	-55 to 150	-55 to 175	-55 to 175	-55 to 150
Package	8-PowerTDFN	8-PowerTDFN	8-PowerTDFN	8-PowerTDFN	8-PowerTDFN	8-TQFN Exposed Pad
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS3 Compliant	Yes	Yes	Yes	Yes	Yes	Yes
MSL Level	1	1	1	1	1	1

Engineering Selection Recommendations

Primary Substitutes (40V Rating, 100A+ Current):

DMTH4005SPSQ-13 and DMTH4005SPS-13 (Diodes Incorporated) are the most direct electrical equivalents. Both devices maintain the 40V Vdss rating, deliver 100A continuous drain current at Tc, and provide 150W power dissipation capability, exceeding the original part's 125W specification. The DMTH4005SPSQ-13 variant includes AEC-Q101 automotive qualification and extended temperature range to 175°C, providing additional design margin. Both parts are in active production status with substantial inventory availability (3191 and 3481 units respectively).

IRFH7446TRPBF (Infineon) offers 40V Vdss with 85A continuous drain current and 78W power dissipation. While current rating is lower than the original part, this device maintains the 40V voltage specification and provides equivalent on-resistance performance (3.3mOhm). This part is suitable for applications where the full 141A current capability is not required. Inventory availability is high at 29,180 units.

BSC035N04LSGATMA1 (Infineon OptiMOS™ series) maintains 40V Vdss with 100A continuous drain current and 69W power dissipation. This part is active and available in quantity (2374 units). The OptiMOS™ series designation indicates optimized performance characteristics for switching applications.

Secondary Substitutes (30V Rating):

BSC0902NSIATMA1 and BSC0904NSIATMA1 (Infineon OptiMOS™ series) are rated for 30V Vdss, which is below the original 40V specification. These parts are suitable only for applications where the actual operating voltage does not exceed 30V. Both are active products with high inventory levels (26,853 and 30,663 units respectively). Selection between these two depends on current requirements: BSC0902NSIATMA1 provides 100A Tc while BSC0904NSIATMA1 provides 78A Tc.

Compliance and Certification Status:

All substitute parts maintain RoHS3 compliance and MSL Level 1 (unlimited moisture sensitivity). The DMTH4005SPSQ-13 includes AEC-Q101 automotive qualification, suitable for automotive and industrial applications requiring enhanced reliability documentation.

Frequently Asked Questions (FAQ)

Q: Can BSC0902NSIATMA1 or BSC0904NSIATMA1 be used as direct replacements for TSM033NA04LCR RLG?

A: These parts are not direct replacements. Both are rated for 30V Vdss, which is 10V below the original part's 40V specification. Use these parts only in applications where the maximum operating voltage does not exceed 30V. For applications requiring the full 40V rating, select DMTH4005SPSQ-13, DMTH4005SPS-13, BSC035N04LSGATMA1, or IRFH7446TRPBF.

Q: What is the difference between DMTH4005SPSQ-13 and DMTH4005SPS-13?

A: Both parts are electrically identical with 40V Vdss, 100A continuous drain current, and 150W power dissipation. The DMTH4005SPSQ-13 includes AEC-Q101 automotive qualification and is designated for automotive applications. The DMTH4005SPS-13 is the standard industrial variant. Select DMTH4005SPSQ-13 for automotive or mission-critical applications requiring qualification documentation.

Q: Are all substitute parts compatible with the same PCB footprint?

A: All substitute parts use the 8-PowerTDFN package classification with surface mount assembly. However, IRFH7446TRPBF is specified as 8-TQFN Exposed Pad, which may have minor footprint variations. Verify PCB layout compatibility with the specific package drawing before assembly. The remaining substitutes (DMTH4005SPSQ-13, DMTH4005SPS-13, BSC035N04LSGATMA1, BSC0902NSIATMA1, BSC0904NSIATMA1) share compatible 8-PowerTDFN footprints.

Q: Which substitute part provides the highest current capability?

A: DMTH4005SPSQ-13 and DMTH4005SPS-13 both deliver 100A continuous drain current at Tc, matching the highest available rating among active substitutes. These parts also provide 150W power dissipation, exceeding the original part's 125W specification.

Q: What is the significance of the OptiMOS™ designation on Infineon parts?

A: OptiMOS™ is Infineon's product series designation indicating optimized performance for switching applications. BSC035N04LSGATMA1, BSC0902NSIATMA1, and BSC0904NSIATMA1 all carry this designation, indicating they are engineered for efficient gate drive and switching characteristics. This designation does not affect substitution compatibility but indicates performance optimization for dynamic switching environments.

Q: Can IRFH7446TRPBF be used in high-current applications requiring 141A?

A: IRFH7446TRPBF is rated for 85A continuous drain current at Tc, which is below the original part's 141A specification. This part is suitable for applications requiring 85A or less. For applications requiring the full 141A capability, use DMTH4005SPSQ-13 or DMTH4005SPS-13, both rated for 100A continuous drain current.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (DMTH4005SPSQ-13, DMTH4005SPS-13, BSC035N04LSGATMA1, BSC0902NSIATMA1, BSC0904NSIATMA1, IRFH7446TRPBF) are RoHS3 compliant with MSL Level 1 (unlimited moisture sensitivity). All parts are suitable for applications requiring RoHS compliance.

Q: What is the impact of different gate threshold voltages on circuit design?

A: Gate threshold voltage (Vgs(th)) affects gate drive requirements. The original part specifies 2.5V at 250µA. Substitute parts range from 2.0V to 4.0V depending on the device. Lower threshold voltages (2.0V) allow operation with lower gate drive voltages, while higher values (4.0V) require higher gate drive levels. Verify gate driver compatibility with the selected substitute part's Vgs(th) specification before implementation.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message