PMEG045V150EPDZ Equivalent & Substitute Parts

Part Overview

The PMEG045V150EPDZ is a Schottky rectifier diode manufactured by Nexperia USA Inc., rated for 45 V DC reverse voltage and 15 A average rectified current in a surface mount CFP15 package. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Identification of equivalent and substitute parts is necessary for design continuity, inventory management, and ongoing production support for existing applications utilizing this diode.

Substiute Parts

PMEG045V150EPDZ

Nexperia USA Inc.In Stock: 6079PMEG045V150EPDZ Datasheet

Current PartRFQ

FSV2050V

onsemiIn Stock: 15279FSV2050V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PMEG045V150EPDZ is determined by the following critical electrical and mechanical parameters:

Voltage Rating: The substitute part must support a DC reverse voltage (Vr) equal to or greater than 45 V to maintain circuit protection and reliability margins.

Current Rating: The substitute part must support an average rectified current (Io) equal to or greater than 15 A to handle the design load without thermal stress.

Forward Voltage: Forward voltage drop characteristics must be compatible with circuit design requirements, particularly in power conversion applications where efficiency is critical.

Package Compatibility: The substitute must utilize the same or mechanically equivalent package (TO-277, 3-PowerDFN) to ensure PCB layout compatibility and thermal management characteristics.

Technology Type: Schottky diode technology must be maintained to preserve fast recovery characteristics and low forward voltage performance.

Compliance Requirements: RoHS3 compliance and REACH unaffected status must be maintained for regulatory adherence.

The FSV2050V from onsemi meets these substitution criteria with enhanced electrical ratings and active product status.

Parameter Comparison

Engineering Selection Recommendations

FSV2050V Substitution Suitability:

The FSV2050V from onsemi is a direct substitute for the PMEG045V150EPDZ based on the following factors:

Electrical Compatibility: The FSV2050V exceeds the voltage and current requirements of the main part, with a 50 V reverse voltage rating (5 V higher) and 20 A current rating (5 A higher). These enhanced ratings provide design margin and accommodate applications requiring the original part's specifications.

Package Equivalence: Both parts utilize identical TO-277, 3-PowerDFN surface mount packages, ensuring mechanical and thermal compatibility with existing PCB designs without layout modifications.

Technology Alignment: Both parts employ Schottky diode technology with fast recovery characteristics (≤ 500ns), maintaining performance consistency in switching applications.

Regulatory Compliance: The FSV2050V maintains RoHS3 compliance and REACH unaffected status, meeting the same environmental and regulatory requirements as the original part.

Product Status Advantage: The FSV2050V carries active product status, ensuring long-term availability and supply chain continuity compared to the PMEG045V150EPDZ, which is not recommended for new designs.

Design Consideration: The FSV2050V exhibits lower reverse leakage current (320 µA @ 50 V versus 900 µA @ 45 V), resulting in improved leakage performance. Forward voltage at the substitute's rated current (550 mV @ 20 A) is higher than the main part's specification (490 mV @ 15 A); however, this difference is within typical Schottky diode performance variation and does not preclude substitution in standard rectification applications.

Frequently Asked Questions (FAQ)

Q: Can the FSV2050V directly replace the PMEG045V150EPDZ without PCB modifications?

A: Yes. Both parts use the TO-277, 3-PowerDFN surface mount package with identical pinout and footprint. No PCB layout changes are required for mechanical substitution.

Q: What are the key electrical differences between these parts?

A: The FSV2050V provides higher voltage (50 V vs. 45 V) and current (20 A vs. 15 A) ratings. Reverse leakage current is lower in the FSV2050V (320 µA vs. 900 µA at rated voltage). Forward voltage drop is slightly higher in the FSV2050V when compared at different current levels.

Q: Is the FSV2050V suitable for automotive applications?

A: The PMEG045V150EPDZ carries automotive grade qualification (AEC-Q101). The FSV2050V specifications provided do not include automotive grade designation in the input parameters. Automotive application suitability must be confirmed through onsemi documentation and qualification requirements for the specific end application.

Q: Why is the PMEG045V150EPDZ marked "Not For New Designs"?

A: This designation indicates the part has reached end-of-life status and is no longer recommended for new product development. The FSV2050V, with active product status, is the appropriate choice for ongoing and new designs requiring equivalent functionality.

Q: Are there any thermal performance differences between these parts?

A: The PMEG045V150EPDZ specifies a maximum junction temperature of 175°C. The FSV2050V specifies an operating junction temperature range of -55°C to 150°C. The lower maximum junction temperature of the FSV2050V must be considered in thermal design calculations for high-temperature applications.

Q: What is the impact of higher forward voltage in the FSV2050V?

A: Forward voltage drop affects power dissipation and efficiency in rectification circuits. The FSV2050V's forward voltage specification (550 mV @ 20 A) is measured at a higher current level than the main part (490 mV @ 15 A). Direct voltage comparison at identical current levels requires additional manufacturer data. For most standard rectification applications, this difference is acceptable and does not prevent substitution.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both the PMEG045V150EPDZ and FSV2050V are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic components.