MMBF2202PT1G Equivalent & Substitute Parts

Part Overview

The MMBF2202PT1G is a P-Channel MOSFET manufactured by onsemi, rated for 20V drain-to-source voltage with 300mA continuous drain current in a surface mount SC-70-3 (SOT323) package. This device is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity. Substitute parts must maintain functional compatibility within the electrical and mechanical constraints of the original specification.

Substiute Parts

MMBF2202PT1G

onsemiIn Stock: 77260MMBF2202PT1G Datasheet

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NTS4101PT1G

onsemiIn Stock: 65437NTS4101PT1G Datasheet

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BSH201,215

Nexperia USA Inc.In Stock: 9911BSH201,215 Datasheet

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NX3008PBKW,115

Nexperia USA Inc.In Stock: 92542NX3008PBKW,115 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MMBF2202PT1G is determined by the following critical parameters:

Primary Compatibility Criteria:

• FET Type: P-Channel topology required
• Technology: MOSFET (Metal Oxide) construction
• Drain to Source Voltage (Vdss): Minimum 20V rating (equal or higher acceptable)
• Continuous Drain Current (Id): Minimum 300mA at 25°C (equal or higher acceptable)
• Package Type: SC-70-3 (SOT323) surface mount form factor
• Operating Temperature Range: -55°C to 150°C (TJ) minimum

Secondary Compatibility Considerations:

• Rds On characteristics at specified gate voltage
• Gate threshold voltage (Vgs(th))
• Power dissipation capability
• Gate charge and input capacitance

Substitute parts are grouped based on adherence to these parameters. Parts meeting all primary criteria are classified as direct substitutes. Parts exceeding voltage or current ratings while maintaining package compatibility are classified as functional upgrades.

Parameter Comparison

Engineering Selection Recommendations

NTS4101PT1G (onsemi)

The NTS4101PT1G is a direct package and pinout compatible substitute for the MMBF2202PT1G. Both devices utilize the SC-70-3 (SOT323) surface mount package with identical pin configuration. The NTS4101PT1G maintains the 20V Vdss rating and exceeds the 300mA current requirement at 1.37A continuous drain current. This part is classified as Active product status, ensuring long-term availability and supply chain continuity. ROHS3 compliance and identical operating temperature range (-55°C to 150°C TJ) support direct replacement in existing designs.

NX3008PBKW,115 (Nexperia USA Inc.)

The NX3008PBKW,115 is a functional substitute with package compatibility in the SOT-323 form factor. This device is rated for 30V Vdss, exceeding the original 20V specification, and supports 200mA continuous drain current. The part is classified as Active with AEC-Q101 automotive qualification and ROHS3 compliance. The higher voltage rating provides design margin for applications requiring enhanced voltage headroom. Pin configuration compatibility with SC-70-3 (SOT323) enables direct board-level substitution.

BSH201,215 (Nexperia USA Inc.)

The BSH201,215 is a functional upgrade with different package form factor (TO-236AB / SOT-23-3 versus SC-70-3). This device is rated for 60V Vdss and 300mA continuous drain current, matching the original current specification while providing significantly higher voltage capability. The part is classified as Not For New Designs, limiting suitability for new development. Package incompatibility requires PCB layout modification and is not recommended for direct replacement in existing designs.

Frequently Asked Questions (FAQ)

Q: Can NTS4101PT1G directly replace MMBF2202PT1G without PCB modification?

A: Yes. The NTS4101PT1G maintains identical SC-70-3 (SOT323) package geometry and pinout configuration. No PCB layout changes are required. The part is electrically compatible within the specified operating parameters.

Q: What is the primary advantage of NTS4101PT1G over the obsolete MMBF2202PT1G?

A: The NTS4101PT1G is classified as Active product status, ensuring continued manufacturing and supply availability. It provides superior current handling capability (1.37A versus 300mA) while maintaining the same 20V voltage rating and package form factor.

Q: Is NX3008PBKW,115 suitable for direct board replacement?

A: The NX3008PBKW,115 is package-compatible in the SOT-323 form factor but has different electrical characteristics. The 30V Vdss rating exceeds the original 20V specification, and the 200mA current rating is lower than the original 300mA. Functional compatibility depends on circuit requirements. No PCB modification is required due to identical package pinout.

Q: Why is BSH201,215 not recommended as a direct substitute?

A: The BSH201,215 uses a different package form factor (TO-236AB / SOT-23-3) compared to the original SC-70-3 (SOT323). PCB layout modification is required for physical installation. Additionally, the part is classified as Not For New Designs, limiting long-term support.

Q: What are the key electrical differences between substitute options?

A: NTS4101PT1G provides higher current capability (1.37A) with lower on-resistance (120 mOhm @ 1A, 4.5V). NX3008PBKW,115 offers higher voltage rating (30V) with lower current capacity (200mA). BSH201,215 provides the highest voltage rating (60V) with matching current (300mA) but requires package conversion.

Q: Are all substitute parts ROHS3 compliant?

A: NTS4101PT1G, NX3008PBKW,115, and BSH201,215 are all ROHS3 compliant. The original MMBF2202PT1G RoHS status is not specified in the provided documentation.

Q: Do substitute parts maintain the same operating temperature range?

A: Yes. All substitute parts (NTS4101PT1G, NX3008PBKW,115, and BSH201,215) support the identical operating temperature range of -55°C to 150°C (TJ).

Q: What is the moisture sensitivity level for substitute parts?

A: All substitute parts maintain Moisture Sensitivity Level 1 (Unlimited), identical to the original MMBF2202PT1G specification.