MSB92ASWT1 Equivalent & Substitute Parts

Part Overview

The MSB92ASWT1 is a PNP bipolar junction transistor manufactured by onsemi, designed for surface mount applications in the SC-70 (SOT-323) package. This component operates at 300 V collector-emitter breakdown voltage with a maximum collector current of 500 mA and 150 mW power dissipation. The MSB92ASWT1 is classified as obsolete, necessitating identification of active equivalent and substitute parts for new designs and ongoing production requirements. Direct replacements and parametric equivalents are available from onsemi, while cross-manufacturer alternatives exist with modified electrical specifications.

Substiute Parts

MSB92ASWT1

onsemiIn Stock: 792MSB92ASWT1 Datasheet

Current PartRFQ

MSB92ASWT1G

onsemiIn Stock: 26492MSB92ASWT1G Datasheet

DirectRFQ

MSB92AWT1G

onsemiIn Stock: 29155MSB92AWT1G Datasheet

Parametric EquivalentRFQ

MMSTA92-7-F

Diodes IncorporatedIn Stock: 14699MMSTA92-7-F Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MSB92ASWT1 is determined by equivalence across the following critical parameters: transistor type (PNP), collector-emitter breakdown voltage (300 V), maximum collector current (500 mA or higher), power dissipation capability (150 mW or higher), transition frequency (50 MHz or higher), DC current gain characteristics, saturation voltage, and surface mount package compatibility (SC-70/SOT-323).

Direct Manufacturer Equivalent: MSB92ASWT1G maintains identical electrical specifications and packaging while offering active product status and improved compliance certifications.

Parametric Equivalent: MSB92AWT1G provides identical electrical performance and packaging with active status, differing only in packaging format (Tape & Reel).

Similar Cross-Manufacturer Alternative: MMSTA92-7-F from Diodes Incorporated operates at the same voltage and frequency specifications within the same package but features reduced maximum collector current (100 mA versus 500 mA) and modified DC current gain characteristics (25 @ 30mA, 10V versus 120 @ 1mA, 10V).

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: MSB92ASWT1G

MSB92ASWT1G is the direct manufacturer equivalent offering identical electrical specifications and package configuration. This part maintains full compatibility with existing designs while providing active product status and ROHS3 compliance certification. Selection of MSB92ASWT1G eliminates obsolescence risk and ensures long-term supply availability.

Secondary Recommendation: MSB92AWT1G

MSB92AWT1G provides parametric equivalence with identical electrical performance and active status. This part differs from the primary recommendation only in packaging format (Tape & Reel versus bulk packaging). ROHS3 compliance is maintained. Selection is appropriate when tape and reel packaging is required for automated assembly processes.

Alternative Consideration: MMSTA92-7-F

MMSTA92-7-F from Diodes Incorporated operates within the same voltage and frequency envelope but features reduced maximum collector current (100 mA versus 500 mA) and different DC current gain characteristics. This part is suitable only for applications where collector current requirements do not exceed 100 mA. Extended operating temperature range (-55°C to 150°C) provides additional thermal margin compared to the MSB92 series. ROHS3 compliance and active product status are confirmed.

Frequently Asked Questions (FAQ)

Q: Can MSB92ASWT1G be used as a direct replacement for MSB92ASWT1?

A: Yes. MSB92ASWT1G maintains identical electrical specifications, saturation characteristics, gain parameters, and SC-70 (SOT-323) package configuration. The primary difference is product status (active versus obsolete) and improved RoHS compliance certification.

Q: What is the difference between MSB92ASWT1G and MSB92AWT1G?

A: Both parts are parametric equivalents with identical electrical specifications. The difference is packaging format: MSB92ASWT1G is supplied in standard packaging while MSB92AWT1G is supplied in Tape & Reel format. Electrical performance is equivalent.

Q: Can MMSTA92-7-F replace MSB92ASWT1 in all applications?

A: MMSTA92-7-F is suitable only for applications where maximum collector current does not exceed 100 mA. The MSB92ASWT1 supports 500 mA collector current. Additionally, DC current gain is specified at different operating points (25 @ 30mA, 10V for MMSTA92-7-F versus 120 @ 1mA, 10V for MSB92ASWT1), requiring circuit verification for low-current applications.

Q: Are all substitute parts RoHS compliant?

A: MSB92ASWT1G, MSB92AWT1G, and MMSTA92-7-F are all ROHS3 compliant. The original MSB92ASWT1 is RoHS non-compliant.

Q: What is the package compatibility across all parts?

A: All parts utilize SC-70 or SOT-323 surface mount packages with identical pinout and footprint. Direct PCB substitution is supported without layout modification.

Q: Does MMSTA92-7-F offer any advantages over onsemi alternatives?

A: MMSTA92-7-F provides extended operating temperature range (-55°C to 150°C versus 150°C maximum for MSB92 series) and higher maximum power dissipation (200 mW versus 150 mW). These advantages apply only to applications operating below 1 mA collector current due to the reduced maximum collector current specification.