FMC2T148 Equivalent & Substitute Parts

Part Overview

The FMC2T148 is a pre-biased bipolar transistor (BJT) in SMT5 packaging manufactured by Rohm Semiconductor. This component integrates NPN and PNP transistor functions with internal biasing resistors, designed for digital switching applications. The FMC2T148 is classified as obsolete, necessitating identification of active equivalent parts to maintain design continuity and ensure long-term component availability for new production and legacy system support.

Substiute Parts

FMC2T148

Rohm SemiconductorIn Stock: 11996FMC2T148 Datasheet

Current PartRFQ

UMD2NTR

Rohm SemiconductorIn Stock: 41345UMD2NTR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

The UMD2NTR qualifies as a direct substitute for the FMC2T148 based on the following substitution criteria:

Functional Equivalence: Both components are pre-biased bipolar transistors (BJT) with integrated NPN and PNP transistor pairs, designed for digital switching applications.

Manufacturer Consistency: Both parts are manufactured by Rohm Semiconductor, ensuring design philosophy and quality standards alignment.

Compliance Alignment: Both components maintain ROHS3 compliance, satisfying regulatory requirements for equivalent applications.

Product Status Advantage: The UMD2NTR is classified as active, providing assured long-term availability compared to the obsolete FMC2T148.

Electrical Characteristics: The UMD2NTR provides specified electrical parameters including 100mA maximum collector current, 50V collector-emitter breakdown voltage, 250MHz transition frequency, and 150mW maximum power dissipation, supporting the functional requirements of pre-biased BJT switching circuits.

Parameter Comparison

Engineering Selection Recommendations

Obsolescence Mitigation: The FMC2T148 is obsolete. The UMD2NTR is an active product from the same manufacturer, providing assured component availability and supply chain continuity.

Compliance Verification: Both components maintain ROHS3 compliance, satisfying environmental and regulatory requirements for equivalent applications without additional qualification.

Manufacturer Support: Selection of the UMD2NTR maintains design continuity within the Rohm Semiconductor product ecosystem, ensuring consistent quality standards and technical support.

Packaging Consideration: The UMD2NTR is supplied in Cut Tape (CT) and Digi-Reel® packaging formats with UMT6 (6-TSSOP, SC-88, SOT-363) package specification. Design layouts must accommodate the specified package footprint.

Frequently Asked Questions (FAQ)

Q: Can the UMD2NTR directly replace the FMC2T148 in existing designs?

A: The UMD2NTR is the designated substitute for the FMC2T148. Both components are pre-biased BJT pairs from Rohm Semiconductor with ROHS3 compliance. Verification of package footprint compatibility with the target PCB layout is required.

Q: What is the primary reason for substitution?

A: The FMC2T148 is classified as obsolete. The UMD2NTR is an active equivalent part, ensuring long-term component availability and supply chain reliability.

Q: Are there electrical parameter differences between the FMC2T148 and UMD2NTR?

A: The UMD2NTR provides specified electrical parameters: 100mA maximum collector current, 50V collector-emitter breakdown voltage, 250MHz transition frequency, and 150mW maximum power dissipation. The FMC2T148 electrical specifications are not provided in available documentation.

Q: What packaging formats are available for the UMD2NTR?

A: The UMD2NTR is supplied in Cut Tape (CT) and Digi-Reel® packaging with UMT6 package specification (6-TSSOP, SC-88, SOT-363).

Q: Does the UMD2NTR maintain the same compliance certifications?

A: Yes. Both the FMC2T148 and UMD2NTR are ROHS3 compliant. The UMD2NTR additionally carries REACH Unaffected status and EAR99 ECCN classification.

Q: What is the Moisture Sensitivity Level (MSL) for the UMD2NTR?

A: The UMD2NTR has MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage and handling.