PMEG045V050EPDZ Equivalent & Substitute Parts

Part Overview

The PMEG045V050EPDZ 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 This component is classified as "Not For New Designs," indicating it has been superseded in the manufacturer's product line. Identifying equivalent and substitute parts is necessary for legacy system support, design continuity, and procurement flexibility when the original part becomes unavailable or when alternative sourcing is required.

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)	19	ns
Current - Reverse Leakage @ Vr	300	µA @ 45 V
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 PMEG045V050EPDZ 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. The key parameters determining equivalence are voltage rating (Vr), current rating (Io), forward voltage (Vf), package type (TO-277, 3-PowerDFN), and mounting configuration (Surface Mount). Parts in this category are direct functional replacements.

Similar Parts: Parts that share the same package and mounting technology but have different electrical ratings. These parts operate within the same physical footprint and thermal characteristics but may have higher voltage or current ratings. Selection of similar parts requires circuit-level analysis to confirm suitability.

The critical parameters for substitution are:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed circuit requirements
Current - Average Rectified (Io): Must equal or exceed circuit requirements
Package / Case: Must be mechanically compatible (TO-277, 3-PowerDFN)
Mounting Type: Must be Surface Mount
Technology: Schottky diode technology
Forward Voltage (Vf): Must be within acceptable circuit operating range

Parameter Comparison

Parameter	PMEG045V050EPDZ (Main)	PMEG045V050EPDAZ (Parametric Equivalent)	FSV2050V (Similar)
Manufacturer	Nexperia USA Inc.	NXP Semiconductors	onsemi
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)	19 ns	12 ns	Not specified
Current - Reverse Leakage @ Vr	300 µA @ 45 V	300 µA @ 45 V	320 µA @ 50 V
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
Product Status	Not For New Designs	Active	Active
Packaging	Tape & Reel (TR)	Bulk	Tape & Reel (TR)

Engineering Selection Recommendations

PMEG045V050EPDAZ (Parametric Equivalent - Recommended Primary Substitute)

The PMEG045V050EPDAZ is the direct parametric equivalent to the PMEG045V050EPDZ. Both parts share identical electrical specifications: 45 V reverse voltage rating, 5 A average rectified current, 490 mV forward voltage at 5 A, and 300 µA reverse leakage current at 45 V. Both are qualified to AEC-Q101 automotive standards and feature the same TO-277, 3-PowerDFN package. The PMEG045V050EPDAZ is manufactured by NXP Semiconductors with Active product status, ensuring long-term availability and supply chain continuity. The reverse recovery time of the PMEG045V050EPDAZ (12 ns) is superior to the main part (19 ns), providing improved switching performance. This part is suitable for direct replacement in all applications where the PMEG045V050EPDZ was originally specified.

FSV2050V (Similar Part - Conditional Substitute)

The FSV2050V manufactured by onsemi is a higher-rated Schottky diode with 50 V reverse voltage and 20 A average rectified current. It shares the same TO-277, 3-PowerDFN package and surface mount configuration. The FSV2050V can be used as a substitute in applications where the circuit design permits higher voltage and current ratings without adverse effects. The forward voltage specification of 550 mV at 20 A differs from the main part's 490 mV at 5 A due to the higher current rating; direct voltage comparison at identical current levels is not available. The maximum junction temperature of the FSV2050V is 150°C, which is lower than the main part's 175°C. The FSV2050V does not carry automotive qualification or AEC-Q101 certification. Selection of this part requires confirmation that the application does not mandate automotive-grade components.

Frequently Asked Questions (FAQ)

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

A: Yes. The PMEG045V050EPDAZ is a parametric equivalent with identical voltage and current ratings (45 V, 5 A), matching forward voltage specifications (490 mV @ 5 A), and equivalent reverse leakage characteristics (300 µA @ 45 V). Both parts are AEC-Q101 qualified and housed in the same TO-277, 3-PowerDFN package. The PMEG045V050EPDAZ has Active product status, ensuring continued availability.

Q: What is the difference between the PMEG045V050EPDZ and PMEG045V050EPDAZ?

A: The primary differences are manufacturer designation (Nexperia USA Inc. versus NXP Semiconductors), product status (Not For New Designs versus Active), packaging format (Tape & Reel versus Bulk), and reverse recovery time (19 ns versus 12 ns). The electrical specifications and package type are identical.

Q: Can the FSV2050V replace the PMEG045V050EPDZ in all applications?

A: The FSV2050V has higher electrical ratings (50 V, 20 A) and shares the same package type. It can be used in applications where these higher ratings do not create circuit design conflicts. However, the FSV2050V lacks automotive qualification and AEC-Q101 certification. Applications requiring automotive-grade components must use the PMEG045V050EPDAZ instead.

Q: Are there package compatibility concerns when substituting these parts?

A: All three parts use the TO-277, 3-PowerDFN surface mount package. PCB footprints and thermal management considerations are identical. No package-level modifications are required for substitution.

Q: What is the significance of the reverse recovery time difference between the main part and PMEG045V050EPDAZ?

A: The PMEG045V050EPDAZ has a reverse recovery time of 12 ns compared to the main part's 19 ns. This represents faster switching behavior, which can reduce switching losses and improve efficiency in high-frequency applications. This difference is beneficial and does not create compatibility issues.

Q: Which substitute part should be selected for new designs?

A: The PMEG045V050EPDAZ is the appropriate choice for new designs. It maintains all electrical and mechanical specifications of the original part while offering Active product status, ensuring long-term supply availability and design continuity.

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

A: The PMEG045V050EPDAZ maintains the same AEC-Q101 automotive qualification and RoHS3 compliance as the main part. The FSV2050V does not carry automotive qualification. Applications in automotive or safety-critical environments must use the PMEG045V050EPDAZ.

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