FDMC7672_F125 N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The FDMC7672_F125 is an N-Channel 30V MOSFET manufactured by onsemi, designed for surface mount applications in the 8-MLP (3.3x3.3) package. This device operates with a continuous drain current of 16.9A at Ta and 20A at Tc, featuring a maximum on-resistance of 5.7mOhm at 16.9A and 10V gate-source voltage. The part is classified as obsolete, necessitating identification of equivalent alternatives for ongoing design support and procurement continuity. Substitute parts must maintain identical electrical performance characteristics and package compatibility to ensure direct replacement capability.

Substiute Parts

FDMC7672_F125

onsemiIn Stock: 801FDMC7672_F125 Datasheet

Current PartRFQ

FDMC7672

Fairchild SemiconductorIn Stock: 8561FDMC7672 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the FDMC7672_F125 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part FDMC7672 manufactured by Fairchild Semiconductor maintains identical specifications across the following key criteria:

Electrical Parameter Equivalence:

• Drain-to-source voltage rating: 30V
• Continuous drain current: 16.9A (Ta) and 20A (Tc)
• On-resistance: 5.7mOhm maximum at specified conditions
• Gate-source threshold voltage: 3V at 250µA
• Gate charge: 57nC at 10V
• Input capacitance: 3890pF at 15V
• Power dissipation capability: 2.3W (Ta) and 33W (Tc)
• Operating temperature range: -55°C to 150°C

Mechanical Parameter Equivalence:

• Package designation: 8-PowerWDFN (3.3x3.3)
• Mounting technology: Surface Mount
• Physical footprint compatibility: Identical

Technology Equivalence:

• FET type: N-Channel
• Technology node: MOSFET (Metal Oxide)
• Series designation: PowerTrench®, SyncFET™

The FDMC7672 substitute is classified as Active product status, providing ongoing availability and manufacturing support compared to the obsolete FDMC7672_F125.

Parameter Comparison

Engineering Selection Recommendations

The FDMC7672 manufactured by Fairchild Semiconductor is a direct parametric equivalent to the obsolete FDMC7672_F125. Selection of the Fairchild variant is supported by the following engineering factors:

Product Status Consideration: The FDMC7672_F125 carries obsolete status, indicating discontinued manufacturing and limited procurement availability. The FDMC7672 substitute maintains active product status with ongoing manufacturing support and established supply chain availability.

Compliance and Certification: Both parts carry identical ECCN classification (EAR99), confirming equivalent export control status. The FDMC7672_F125 is REACH Unaffected; compliance documentation for the FDMC7672 substitute should be verified through the manufacturer's current technical documentation.

Electrical and Mechanical Compatibility: Complete parameter equivalence across all specified electrical characteristics and mechanical dimensions ensures direct replacement capability without circuit redesign or PCB layout modification.

Package and Mounting Compatibility: Identical 8-PowerWDFN (3.3x3.3) package designation and surface mount technology enable direct substitution in existing assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the FDMC7672 be used as a direct replacement for the FDMC7672_F125 in existing designs?

A: Yes. The FDMC7672 is a parametric equivalent with identical electrical specifications, on-resistance, gate charge, capacitance, power dissipation, and operating temperature range. The 8-PowerWDFN package footprint is identical, enabling direct PCB substitution without layout modification.

Q: What is the primary reason for substitution?

A: The FDMC7672_F125 is classified as obsolete. The FDMC7672 substitute maintains active product status with ongoing manufacturing and supply chain support.

Q: Are there any differences in gate-source voltage specifications?

A: No. Both parts specify identical gate-source threshold voltage of 3V at 250µA and maximum gate-source voltage of ±20V.

Q: Do the parts have identical thermal characteristics?

A: Yes. Both parts specify identical power dissipation of 2.3W at Ta and 33W at Tc, and identical operating temperature range of -55°C to 150°C (TJ).

Q: Is the package footprint identical between the two parts?

A: Yes. Both parts use the 8-PowerWDFN (3.3x3.3) package with surface mount technology, ensuring identical PCB footprint and assembly compatibility.

Q: Are there differences in gate charge or input capacitance?

A: No. Both parts specify identical gate charge of 57nC at 10V and input capacitance of 3890pF at 15V.

Q: What is the continuous drain current rating for both parts?

A: Both parts are rated for 16.9A continuous drain current at Ta (ambient temperature) and 20A at Tc (case temperature).

Q: Are export control classifications identical?

A: Yes. Both parts carry identical ECCN classification of EAR99.