MMBF2201NT1 N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The MMBF2201NT1 is an N-Channel MOSFET manufactured by onsemi, rated for 20V drain-to-source voltage with 300mA continuous drain current in a surface mount SC-70-3 (SOT-323) package. This device is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing production and maintenance applications. Substitute parts must maintain electrical compatibility across critical parameters including voltage rating, current capacity, and on-resistance characteristics while accommodating packaging and compliance requirements.

Substiute Parts

MMBF2201NT1

onsemiIn Stock: 5638MMBF2201NT1 Datasheet

Current PartRFQ

MMBF2201NT1G

onsemiIn Stock: 125337MMBF2201NT1G Datasheet

DirectRFQ

NX3008NBKW,115

Nexperia USA Inc.In Stock: 781340NX3008NBKW,115 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MMBF2201NT1 are identified based on the following substitution criteria:

Direct Electrical Compatibility Parameters:

• FET Type: N-Channel topology
• Technology: MOSFET (Metal Oxide)
• Drain to Source Voltage (Vdss): Equal to or greater than 20V
• Current - Continuous Drain (Id): Equal to or greater than 300mA
• Rds On (Max): Equal to or less than 1 Ohm at specified gate voltage
• Vgs(th) (Max): Within acceptable threshold voltage range
• Input Capacitance (Ciss): Comparable to 45pF specification

Package Compatibility:

• Mounting Type: Surface Mount
• Package / Case: SC-70 or SOT-323

Compliance Considerations:

• RoHS Status: Preference for RoHS3 Compliant alternatives
• Product Status: Active or Not For New Designs status preferred over obsolete

The MMBF2201NT1G (onsemi) qualifies as a direct manufacturer equivalent with identical electrical specifications and packaging. The NX3008NBKW,115 (Nexperia) qualifies as a functional substitute with enhanced electrical performance and active product status, though with higher voltage and current ratings.

Parameter Comparison

Engineering Selection Recommendations

MMBF2201NT1G (onsemi): This part is the direct manufacturer equivalent with identical electrical specifications and packaging. It maintains the same Vdss (20V), Id (300mA), and Rds On (1Ohm @ 300mA, 10V) characteristics. The MMBF2201NT1G carries ROHS3 Compliant status and Not For New Designs product classification, making it suitable for replacement in existing designs where the original part is no longer available. This substitute is preferred for direct pin-for-pin replacement applications.

NX3008NBKW,115 (Nexperia USA Inc.): This part qualifies as a functional substitute with enhanced electrical performance. It provides higher Vdss (30V) and Id (350mA) ratings, offering design margin above the original specification. The NX3008NBKW,115 carries Active product status and ROHS3 Compliant certification, supporting long-term availability. The lower Vgs(th) (1.1V @ 250µA) and higher power dissipation capability (260mW Ta, 830mW Tc) provide operational advantages. This substitute is suitable for new designs and applications requiring enhanced performance headroom. AEC-Q101 automotive qualification is available for this part.

Selection between these substitutes depends on design requirements: use MMBF2201NT1G for direct replacement of obsolete stock, or NX3008NBKW,115 for new designs requiring active product status and enhanced performance margins.

Frequently Asked Questions (FAQ)

Q: Can MMBF2201NT1G be used as a direct replacement for MMBF2201NT1?

A: Yes. The MMBF2201NT1G is the direct manufacturer equivalent with identical electrical specifications (20V Vdss, 300mA Id, 1Ohm Rds On @ 300mA, 10V) and SC-70-3 (SOT-323) packaging. Both parts are pin-compatible and functionally equivalent.

Q: What are the key differences between MMBF2201NT1G and NX3008NBKW,115?

A: The NX3008NBKW,115 provides higher voltage (30V vs. 20V Vdss) and current (350mA vs. 300mA Id) ratings. The NX3008NBKW,115 has a lower gate threshold voltage (1.1V vs. 2.4V Vgs(th)) and higher power dissipation capability (260mW Ta vs. 150mW Ta). Both use identical SC-70-3 (SOT-323) packaging. The NX3008NBKW,115 carries Active product status versus Not For New Designs for the MMBF2201NT1G.

Q: Are all substitute parts available in the same package?

A: Yes. All listed substitutes use SC-70-3 (SOT-323) surface mount packaging, ensuring mechanical and electrical compatibility with existing PCB layouts.

Q: What is the RoHS compliance status of available substitutes?

A: The MMBF2201NT1G and NX3008NBKW,115 are both ROHS3 Compliant. The original MMBF2201NT1 is RoHS non-compliant.

Q: Can NX3008NBKW,115 be used in applications designed for MMBF2201NT1?

A: Yes. The NX3008NBKW,115 meets or exceeds all critical electrical parameters of the MMBF2201NT1 (higher Vdss, higher Id, comparable Rds On). The higher ratings provide design margin. Verification of circuit operation under the lower Vgs(th) (1.1V vs. 2.4V) is recommended for gate drive circuits with marginal voltage levels.

Q: What is the product status significance for these substitutes?

A: MMBF2201NT1G carries Not For New Designs status, suitable for replacement in existing production. NX3008NBKW,115 carries Active status, supporting long-term availability and recommended for new design implementations.

Q: Are moisture sensitivity levels equivalent across all parts?

A: Yes. All three parts carry MSL 1 (Unlimited) classification, indicating no moisture sensitivity restrictions for storage and handling.