PMEG045T030EPDZ Equivalent & Substitute Parts

Part Overview

The PMEG045T030EPDZ is an active Schottky rectifier diode manufactured by Nexperia USA Inc., rated for 45 V DC reverse voltage and 3 A average rectified current in a surface mount CFP15 package. This component is designed for fast recovery applications with a reverse recovery time of 24 ns and meets automotive-grade qualification per AEC-Q101. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design alternatives where application parameters permit higher current or voltage ratings within the same package family.

Substiute Parts

PMEG045T030EPDZ

Nexperia USA Inc.In Stock: 2251PMEG045T030EPDZ Datasheet

Current PartRFQ

FSV2050V

onsemiIn Stock: 15279FSV2050V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PMEG045T030EPDZ is determined by compatibility across the following critical parameters:

Package Compatibility: Both the main part and substitute must use the TO-277, 3-PowerDFN surface mount package to ensure mechanical and electrical fit within the same PCB footprint.

Technology Class: Schottky diode technology is required to maintain fast recovery characteristics and forward voltage performance consistent with the original design.

Voltage Rating: The substitute part must have a DC reverse voltage rating equal to or greater than 45 V to ensure safe operation under maximum reverse bias conditions.

Current Rating: The substitute part must have an average rectified current rating equal to or greater than 3 A to support the application's current requirements.

Speed Classification: Fast recovery performance (≤ 500ns, > 200mA) is required to maintain switching characteristics.

Compliance Standards: RoHS3 compliance and REACH unaffected status are mandatory for regulatory alignment.

The FSV2050V from onsemi meets all substitution criteria with a higher voltage rating (50 V) and significantly higher current capacity (20 A), making it suitable for applications requiring greater design margin or higher current handling.

Parameter Comparison

Engineering Selection Recommendations

PMEG045T030EPDZ (Primary Selection): This part is the specified component and remains the first choice for applications designed to its exact electrical and thermal specifications. It carries active product status, automotive-grade qualification (AEC-Q101), and is in stock with 2155 units available. The 175°C maximum junction temperature and 24 ns reverse recovery time provide optimized performance for the intended application.

FSV2050V (Substitute Selection): This part is suitable as a substitute where design margins for voltage and current are required or where higher current capacity is beneficial. The FSV2050V is also active, RoHS3 compliant, and REACH unaffected. However, the maximum junction temperature is limited to 150°C, which is 25°C lower than the PMEG045T030EPDZ. The forward voltage at rated current (550 mV @ 20 A) is higher than the original part (420 mV @ 3 A), which may affect power dissipation in the application. The reverse leakage current is also higher (320 µA @ 50 V versus 44 µA @ 45 V). Both parts share identical package geometry (TO-277, 3-PowerDFN) and mounting type, ensuring mechanical compatibility.

Selection between these parts depends on application-specific requirements for current capacity, thermal environment, and acceptable forward voltage drop. Both parts meet regulatory compliance requirements and are available in production quantities.

Frequently Asked Questions (FAQ)

Q: Can the FSV2050V directly replace the PMEG045T030EPDZ in all applications?

A: The FSV2050V is mechanically and electrically compatible in terms of package footprint and basic diode function. However, differences in forward voltage drop (550 mV @ 20 A versus 420 mV @ 3 A) and maximum junction temperature (150°C versus 175°C) must be evaluated against application thermal and power dissipation requirements. The substitute is suitable for applications where the original part's current rating (3 A) is insufficient or where higher voltage margin (50 V versus 45 V) is desired.

Q: Are both parts qualified for automotive applications?

A: The PMEG045T030EPDZ carries automotive-grade qualification per AEC-Q101. The FSV2050V does not list automotive qualification in the provided specifications. If automotive qualification is a mandatory requirement, the PMEG045T030EPDZ is the appropriate selection.

Q: What is the significance of the package designation TO-277, 3-PowerDFN?

A: This designation indicates a surface mount package with three power terminals in a PowerDFN form factor. Both the PMEG045T030EPDZ and FSV2050V use this identical package, ensuring that PCB footprints, solder pad layouts, and thermal management characteristics are compatible between the two parts.

Q: How do the reverse recovery times compare?

A: Both parts are classified as fast recovery diodes with recovery time ≤ 500 ns for currents > 200 mA. The PMEG045T030EPDZ specifies a reverse recovery time of 24 ns. The FSV2050V does not provide a specific reverse recovery time value in the available data. For applications where precise reverse recovery time is critical, the PMEG045T030EPDZ specification should be referenced.

Q: What is the impact of higher reverse leakage current in the FSV2050V?

A: The FSV2050V exhibits reverse leakage current of 320 µA @ 50 V compared to 44 µA @ 45 V for the PMEG045T030EPDZ. Higher reverse leakage increases standby power consumption and may affect circuit performance in low-power or precision applications. This parameter should be evaluated against application requirements.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both the PMEG045T030EPDZ and FSV2050V are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic components.