NRVTS1545EMFST3G Equivalent & Substitute Parts

Part Overview

The NRVTS1545EMFST3G is a Schottky rectifier diode manufactured by onsemi, rated for 45 V DC reverse voltage and 15 A average rectified current in a surface mount 5-DFN package. This component is designed for automotive applications and carries AEC-Q101 qualification. The part is currently listed as Obsolete, necessitating identification of equivalent substitute components for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	45 V
Current - Average Rectified (Io)	15 A
Voltage - Forward (Vf) (Max) @ If	600 mV @ 15 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	50 µA @ 45 V
Technology	Schottky
Grade	Automotive
Qualification	AEC-Q101
Package / Case	8-PowerTDFN, 5 Leads
Supplier Device Package	5-DFN (5x6) (8-SOFL)
Operating Temperature - Junction	-55°C ~ 175°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the NRVTS1545EMFST3G is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

Voltage - DC Reverse (Vr) (Max): 45 V
Current - Average Rectified (Io): 15 A
Voltage - Forward (Vf) (Max) @ If: 600 mV @ 15 A
Current - Reverse Leakage @ Vr: 50 µA @ 45 V
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Mechanical & Environmental Parameters:

Package / Case: 8-PowerTDFN, 5 Leads
Supplier Device Package: 5-DFN (5x6) (8-SOFL)
Operating Temperature - Junction: -55°C ~ 175°C

Compliance & Qualification:

Technology: Schottky
Grade: Automotive
Qualification: AEC-Q101
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts must match all parameters listed above to ensure functional and mechanical compatibility within the original application circuit.

Parameter Comparison

Parameter	NRVTS1545EMFST3G (Main Part)	NRVTS1545EMFST1G (Substitute)
Manufacturer	onsemi	onsemi
Category	Diodes, Rectifiers	Diodes, Rectifiers
Description	DIODE SCHOTTKY 45V 15A 5DFN	DIODE SCHOTTKY 45V 15A 5DFN
Technology	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	45 V	45 V
Current - Average Rectified (Io)	15 A	15 A
Voltage - Forward (Vf) (Max) @ If	600 mV @ 15 A	600 mV @ 15 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	50 µA @ 45 V	50 µA @ 45 V
Grade	Automotive	Automotive
Qualification	AEC-Q101	AEC-Q101
Mounting Type	Surface Mount	Surface Mount
Package / Case	8-PowerTDFN, 5 Leads	8-PowerTDFN, 5 Leads
Supplier Device Package	5-DFN (5x6) (8-SOFL)	5-DFN (5x6) (8-SOFL)
Operating Temperature - Junction	-55°C ~ 175°C	-55°C ~ 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Last Time Buy

Engineering Selection Recommendations

The NRVTS1545EMFST1G is a direct parametric equivalent to the NRVTS1545EMFST3G. Both components are manufactured by onsemi and share identical electrical specifications, mechanical packaging, and automotive-grade qualifications including AEC-Q101 certification.

The primary distinction between these parts is product status: the NRVTS1545EMFST3G is Obsolete, while the NRVTS1545EMFST1G is designated Last Time Buy. The NRVTS1545EMFST1G maintains full compliance with ROHS3 and carries unlimited moisture sensitivity rating (MSL 1), ensuring compatibility with standard surface mount assembly processes.

For applications currently utilizing the NRVTS1545EMFST3G, the NRVTS1545EMFST1G provides functional and mechanical interchangeability without circuit redesign or board layout modification. Both parts are qualified to the same automotive standards and operate across the identical temperature range of -55°C to 175°C junction temperature.

Frequently Asked Questions (FAQ)

Q: Can NRVTS1545EMFST1G be used as a direct replacement for NRVTS1545EMFST3G?

A: Yes. The NRVTS1545EMFST1G is a direct parametric equivalent. All electrical ratings, mechanical dimensions, and automotive qualifications are identical. No circuit modifications or board layout changes are required.

Q: Are there any differences in packaging between these two parts?

A: No. Both parts use the identical 5-DFN (5x6) (8-SOFL) surface mount package with 8-PowerTDFN configuration and 5 leads. Footprint and assembly requirements are identical.

Q: What is the significance of the product status difference?

A: The NRVTS1545EMFST3G is listed as Obsolete, indicating it is no longer in production. The NRVTS1545EMFST1G is designated Last Time Buy, meaning it remains available for a limited period before discontinuation. For new designs or long-term procurement, the NRVTS1545EMFST1G should be selected.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both the NRVTS1545EMFST3G and NRVTS1545EMFST1G carry AEC-Q101 qualification and are classified as Automotive grade components. Both are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Q: Are the electrical performance characteristics identical?

A: Yes. Both parts are specified for 45 V DC reverse voltage, 15 A average rectified current, 600 mV forward voltage drop at 15 A, and 50 µA reverse leakage current at 45 V. Fast recovery time is ≤ 500ns for currents > 200mA in both cases.

Q: What is the operating temperature range for these diodes?

A: Both parts operate across a junction temperature range of -55°C to 175°C, suitable for automotive and industrial applications requiring extended temperature performance.

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