FDMS004N08C N-Channel 80V 126A MOSFET Equivalent & Substitute Parts

Part Overview

The FDMS004N08C is an N-Channel metal oxide semiconductor field-effect transistor (MOSFET) manufactured by onsemi, part of the PowerTrench® series. This surface mount device operates at 80V drain-to-source voltage with a continuous drain current rating of 126A at 25°C and maximum power dissipation of 125W. The component is housed in an 8-PQFN (5x6) Power56 package and is classified as Active product status. Equivalent and substitute parts are identified when identical or functionally compatible electrical and mechanical parameters are required for circuit design flexibility, inventory management, or supply chain continuity.

Substiute Parts

FDMS004N08C

onsemiIn Stock: 1800FDMS004N08C Datasheet

Current PartRFQ

NTMFS08N004C

onsemiIn Stock: 9214NTMFS08N004C Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the FDMS004N08C are identified based on strict electrical and mechanical parameter matching. The substitution criteria are defined by the following key parameters:

Electrical Parameters:

• Drain to Source Voltage (Vdss): 80V
• Continuous Drain Current (Id) @ 25°C: 126A (Tc)
• On-State Resistance (Rds On Max): 4mOhm @ 44A, 10V
• Gate Threshold Voltage (Vgs(th) Max): 4V @ 250µA
• Gate Charge (Qg Max): 55 nC @ 10V
• Input Capacitance (Ciss Max): 4250 pF @ 40V
• Power Dissipation (Max): 125W (Tc)
• Operating Temperature Range: -55°C to 150°C (TJ)

Mechanical Parameters:

• Package Type: 8-PQFN (5x6), Power56
• Mounting Type: Surface Mount
• FET Type: N-Channel
• Technology: MOSFET (Metal Oxide)

Compliance Parameters:

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

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

Parameter Comparison

Engineering Selection Recommendations

The NTMFS08N004C is a direct parametric equivalent to the FDMS004N08C. Both components are manufactured by onsemi and share identical electrical specifications, mechanical packaging, and compliance certifications. Selection between these parts is based on availability and supply chain requirements.

Both parts maintain Active product status, ensuring continued manufacturer support and availability. Both components 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 restrictions during storage and handling.

The identical electrical parameters—including 80V Vdss, 126A continuous drain current, 4mOhm Rds On, and 125W power dissipation—ensure functional interchangeability in circuit applications. The matching package specification (8-PQFN (5x6), Power56) and surface mount configuration confirm mechanical compatibility on printed circuit boards.

Frequently Asked Questions (FAQ)

Q: Can NTMFS08N004C be used as a direct replacement for FDMS004N08C?

A: Yes. The NTMFS08N004C is a parametric equivalent with identical electrical specifications, package type, and compliance certifications. Both components are manufactured by onsemi and share the same 80V Vdss, 126A continuous drain current, 4mOhm Rds On, and 125W power dissipation ratings.

Q: Are the package dimensions identical between FDMS004N08C and NTMFS08N004C?

A: Yes. Both components use the 8-PQFN (5x6) Power56 surface mount package. The mechanical footprint and pin configuration are identical, allowing direct substitution on printed circuit boards without layout modifications.

Q: What is the operating temperature range for both parts?

A: Both FDMS004N08C and NTMFS08N004C operate across the temperature range of -55°C to 150°C (TJ), ensuring performance consistency across industrial and commercial applications.

Q: Are both parts RoHS compliant?

A: Yes. Both FDMS004N08C and NTMFS08N004C are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory standards for electronic components.

Q: What is the gate charge specification for these MOSFETs?

A: Both parts have a maximum gate charge (Qg Max) of 55 nC at 10V, which determines switching speed and drive circuit requirements.

Q: Is there a difference in on-state resistance between the two parts?

A: No. Both FDMS004N08C and NTMFS08N004C have identical on-state resistance (Rds On Max) of 4mOhm at 44A and 10V gate-source voltage.

Q: What is the input capacitance specification?

A: Both parts have a maximum input capacitance (Ciss Max) of 4250 pF at 40V drain-source voltage, which affects gate drive circuit design and switching characteristics.

Q: Are there any moisture sensitivity concerns with these components?

A: No. Both parts have a Moisture Sensitivity Level (MSL) rating of 1 (Unlimited), indicating no moisture sensitivity restrictions during storage and handling.