NTMFS08N003C Equivalent & Substitute Parts

Part Overview

The NTMFS08N003C is an N-Channel 80V power MOSFET manufactured by onsemi, part of the PowerTrench® series. This Surface Mount device is rated for 22A continuous drain current at 25°C (Ta) and 147A at case temperature (Tc), with a maximum power dissipation of 2.7W (Ta) and 125W (Tc). The device is housed in an 8-PowerTDFN package and is classified as Active product status. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity when the primary part number becomes unavailable or when alternative sourcing is required.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	80	V
Current - Continuous Drain (Id) @ 25°C (Ta)	22	A
Current - Continuous Drain (Id) @ 25°C (Tc)	147	A
Rds On (Max) @ Id, Vgs	3.1	mOhm @ 56A, 10V
Gate Charge (Qg) (Max) @ Vgs	73	nC @ 10V
Input Capacitance (Ciss) (Max) @ Vds	5350	pF @ 40V
Vgs(th) (Max) @ Id	4	V @ 310µA
Vgs (Max)	±20	V
Power Dissipation (Max) (Ta)	2.7	W
Power Dissipation (Max) (Tc)	125	W
Operating Temperature Range	-55 to 150	°C (TJ)
Package / Case	8-PowerTDFN	-
Mounting Type	Surface Mount	-
FET Type	N-Channel	-
Technology	MOSFET (Metal Oxide)	-

Substitute Part Grouping Explanation

Substitute parts for the NTMFS08N003C are identified based on electrical and mechanical parameter equivalence. The substitution logic is based on the following critical parameters:

Electrical Parameters:

Drain to Source Voltage (Vdss): 80V
Continuous Drain Current (Id): 22A (Ta), 147A (Tc)
On-State Resistance (Rds On): 3.1mOhm @ 56A, 10V
Gate Charge (Qg): 73nC @ 10V
Input Capacitance (Ciss): 5350pF @ 40V
Gate Threshold Voltage (Vgs(th)): 4V @ 310µA
Maximum Gate Voltage (Vgs): ±20V
Power Dissipation: 2.7W (Ta), 125W (Tc)
Operating Temperature Range: -55°C to 150°C (TJ)

Mechanical Parameters:

Package / Case: 8-PowerTDFN
Mounting Type: Surface Mount
Supplier Device Package: Power56

Compliance Parameters:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected

Parts meeting all electrical, mechanical, and compliance specifications are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Parameter	NTMFS08N003C	FDMS003N08C	Match
Manufacturer	onsemi	onsemi	Yes
Category	Transistors, FETs, MOSFETs	Transistors, FETs, MOSFETs	Yes
Drain to Source Voltage (Vdss)	80V	80V	Yes
Current - Continuous Drain (Id) @ 25°C (Ta)	22A	22A	Yes
Current - Continuous Drain (Id) @ 25°C (Tc)	147A	147A	Yes
Rds On (Max) @ Id, Vgs	3.1mOhm @ 56A, 10V	3.1mOhm @ 56A, 10V	Yes
Gate Charge (Qg) (Max) @ Vgs	73nC @ 10V	73nC @ 10V	Yes
Input Capacitance (Ciss) (Max) @ Vds	5350pF @ 40V	5350pF @ 40V	Yes
Vgs(th) (Max) @ Id	4V @ 310µA	4V @ 310µA	Yes
Vgs (Max)	±20V	±20V	Yes
Power Dissipation (Max) (Ta)	2.7W	2.7W	Yes
Power Dissipation (Max) (Tc)	125W	125W	Yes
Operating Temperature Range	-55°C to 150°C (TJ)	-55°C to 150°C (TJ)	Yes
Package / Case	8-PowerTDFN	8-PowerTDFN	Yes
Mounting Type	Surface Mount	Surface Mount	Yes
FET Type	N-Channel	N-Channel	Yes
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	Yes
Series	PowerTrench®	PowerTrench®	Yes
Product Status	Active	Active	Yes
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Yes
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Yes
REACH Status	REACH Unaffected	REACH Unaffected	Yes

Engineering Selection Recommendations

The FDMS003N08C is a direct parametric equivalent to the NTMFS08N003C. Both devices are manufactured by onsemi and share identical electrical specifications, mechanical packaging, and compliance certifications.

Selection Basis:

Both parts maintain Active product status, ensuring continued manufacturer support and availability. Both devices are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements. The Moisture Sensitivity Level (MSL) rating of 1 (Unlimited) for both parts indicates no moisture sensitivity constraints during storage and handling.

The FDMS003N08C provides equivalent performance in all specified electrical parameters, including voltage rating, current capacity, on-state resistance, gate charge, and thermal characteristics. The identical 8-PowerTDFN package and Surface Mount mounting type ensure mechanical and thermal compatibility in existing PCB designs without layout modifications.

Selection between NTMFS08N003C and FDMS003N08C is determined by availability, procurement lead time, and supplier inventory status. Both parts are suitable for direct substitution in applications requiring 80V N-Channel power MOSFETs with 22A (Ta) / 147A (Tc) continuous drain current ratings.

Frequently Asked Questions (FAQ)

Q: Can FDMS003N08C be used as a direct replacement for NTMFS08N003C?

A: Yes. The FDMS003N08C is a parametric equivalent with identical electrical specifications, package type (8-PowerTDFN), and mounting configuration (Surface Mount). All critical parameters including Vdss, Id, Rds On, gate charge, and operating temperature range are identical.

Q: Are there any differences in thermal performance between these parts?

A: No. Both parts have identical power dissipation ratings of 2.7W (Ta) and 125W (Tc), and identical operating temperature ranges of -55°C to 150°C (TJ).

Q: Do both parts require the same PCB layout and thermal management?

A: Yes. Both parts use the same 8-PowerTDFN package and Surface Mount mounting type. PCB footprints, thermal vias, and heat sink interfaces are identical.

Q: Are there any compliance or regulatory differences?

A: No. Both parts are ROHS3 Compliant, REACH Unaffected, and have identical Moisture Sensitivity Level (MSL) ratings of 1 (Unlimited).

Q: What is the difference between the base product numbers NTMFS08 and FDMS003?

A: The base product numbers represent different product lines within onsemi's PowerTrench® MOSFET family. However, the specific part numbers NTMFS08N003C and FDMS003N08C are parametric equivalents with identical electrical and mechanical specifications.

Q: Can these parts be used interchangeably in production?

A: Yes. Both parts meet all electrical, mechanical, and compliance requirements for direct substitution. Production designs can specify either part number without circuit or layout modifications.

Q: What inventory status should be considered when selecting between these parts?

A: NTMFS08N003C has 3668 pieces in stock, while FDMS003N08C has 3260 pieces in stock. Selection should consider procurement requirements, lead times, and supplier availability.

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