PMEG045V050EPDAZ Equivalent & Substitute Parts

Part Overview

The PMEG045V050EPDAZ is a Schottky rectifier diode manufactured by Nexperia USA Inc., rated for 45 V DC reverse voltage and 5 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 ongoing support of existing applications, maintenance of legacy systems, and sourcing alternatives for discontinued inventory.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	45	V
Current - Average Rectified (Io)	5	A
Voltage - Forward (Vf) (Max) @ If	490 mV @ 5 A	mV
Reverse Recovery Time (trr)	12	ns
Current - Reverse Leakage @ Vr	300	µA @ 45 V
Capacitance @ Vr, F	580	pF @ 1V, 1MHz
Operating Temperature - Junction (Max)	175	°C
Package / Case	TO-277, 3-PowerDFN	-
Mounting Type	Surface Mount	-
Technology	Schottky	-
Grade	Automotive	-
Qualification	AEC-Q101	-

Substitute Part Grouping Explanation

Substitute parts for the PMEG045V050EPDAZ are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalent: Parts that maintain identical or functionally equivalent electrical specifications within the allowed tolerance range for the application.

Similar Parts: Parts that exceed the original specifications in one or more parameters, providing enhanced performance characteristics while maintaining mechanical compatibility and package form factor.

The substitution logic is based on the following critical parameters:

Voltage - DC Reverse (Vr) rating must equal or exceed 45 V
Current - Average Rectified (Io) rating must equal or exceed 5 A
Package / Case must be compatible with TO-277, 3-PowerDFN form factor
Mounting Type must be Surface Mount
Technology must be Schottky
Forward voltage drop (Vf) must not significantly exceed application requirements
Reverse recovery time (trr) must support the intended switching frequency
Automotive grade and AEC-Q101 qualification are required for automotive applications

Parameter Comparison

Parameter	PMEG045V050EPDAZ (Main)	PMEG045V050EPDZ (Parametric Equivalent)	FSV2050V (Similar)
Manufacturer	Nexperia USA Inc.	NXP Semiconductors	onsemi
Product Status	Not For New Designs	Active	Active
Voltage - DC Reverse (Vr) (Max)	45 V	45 V	50 V
Current - Average Rectified (Io)	5 A	5 A	20 A
Voltage - Forward (Vf) (Max) @ If	490 mV @ 5 A	490 mV @ 5 A	550 mV @ 20 A
Reverse Recovery Time (trr)	12 ns	19 ns	Not specified
Current - Reverse Leakage @ Vr	300 µA @ 45 V	300 µA @ 45 V	320 µA @ 50 V
Capacitance @ Vr, F	580 pF @ 1V, 1MHz	580 pF @ 1V, 1MHz	Not specified
Operating Temperature - Junction (Max)	175°C	175°C	150°C
Package / Case	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Technology	Schottky	Schottky	Schottky
Grade	Automotive	Automotive	Not specified
Qualification	AEC-Q101	AEC-Q101	Not specified
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Packaging	Tape & Reel (TR)	Bulk	Tape & Reel (TR)

Engineering Selection Recommendations

PMEG045V050EPDZ (Parametric Equivalent - Recommended Primary Substitute)

The PMEG045V050EPDZ is the direct parametric equivalent to the PMEG045V050EPDAZ. Both parts share identical electrical specifications: 45 V reverse voltage rating, 5 A average rectified current, 490 mV forward voltage drop at 5 A, and 300 µA reverse leakage current. Both maintain automotive grade classification and AEC-Q101 qualification. The PMEG045V050EPDZ is manufactured by NXP Semiconductors with Active product status, ensuring continued availability and supply chain support. The reverse recovery time specification differs slightly (19 ns versus 12 ns), which remains within acceptable fast recovery parameters for most applications. This part is suitable for direct replacement in existing designs without circuit modification.

FSV2050V (Similar Part - Enhanced Performance Alternative)

The FSV2050V manufactured by onsemi provides enhanced electrical performance with a 50 V reverse voltage rating and 20 A average rectified current capacity, exceeding the original part specifications. The package form factor (TO-277, 3-PowerDFN) and surface mount technology are identical. However, the FSV2050V does not carry automotive grade designation or AEC-Q101 qualification. The maximum junction temperature is 150°C, which is lower than the original 175°C specification. This part is suitable for non-automotive applications or where enhanced current handling is required, provided that the lower maximum junction temperature does not conflict with application thermal requirements.

Frequently Asked Questions (FAQ)

Q: Can PMEG045V050EPDZ be used as a direct replacement for PMEG045V050EPDAZ?

A: Yes. The PMEG045V050EPDZ is a parametric equivalent with identical voltage and current ratings, forward voltage drop, and reverse leakage specifications. Both parts are qualified to AEC-Q101 and carry automotive grade classification. The reverse recovery time differs by 7 ns (19 ns versus 12 ns), which remains within fast recovery parameters. No circuit modifications are required.

Q: What are the key differences between PMEG045V050EPDZ and FSV2050V?

A: The FSV2050V provides higher current capacity (20 A versus 5 A) and higher reverse voltage rating (50 V versus 45 V). However, the FSV2050V lacks automotive grade designation and AEC-Q101 qualification, and has a lower maximum junction temperature (150°C versus 175°C). Selection depends on application requirements and whether automotive qualification is mandatory.

Q: Are all substitute parts compatible with the original PCB layout?

A: Yes. All substitute parts use the TO-277, 3-PowerDFN package form factor with identical surface mount pinout. PCB layout modifications are not required for mechanical or electrical connection purposes.

Q: What is the significance of the "Not For New Designs" status on the original part?

A: This status indicates the PMEG045V050EPDAZ has reached end-of-life and is no longer recommended for new product development. Existing inventory remains available for legacy system support. The PMEG045V050EPDZ (Active status) is the recommended alternative for ongoing production and new designs.

Q: Does packaging format affect substitution compatibility?

A: Packaging format (Tape & Reel versus Bulk) affects supply chain logistics and handling procedures but does not affect electrical or mechanical compatibility. The PMEG045V050EPDZ is available in Bulk packaging, while the original PMEG045V050EPDAZ is supplied in Tape & Reel format. Both formats contain identical components.

Q: Are there compliance or regulatory differences between the substitute parts?

A: All three parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. The PMEG045V050EPDZ maintains identical REACH and ECCN classifications to the original part. The FSV2050V is ROHS3 compliant but has different REACH status (REACH Unaffected). Verify REACH compliance requirements for your specific application and supply chain.

Q: What thermal considerations apply when selecting between these parts?

A: The PMEG045V050EPDAZ and PMEG045V050EPDZ both support maximum junction temperatures of 175°C. The FSV2050V has a maximum junction temperature of 150°C. If your application operates near or above 150°C, the FSV2050V is not suitable. Thermal management and heat dissipation requirements should be evaluated based on actual operating current and ambient temperature conditions.

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