NRVUD620CTG Equivalent & Substitute Parts

Part Overview

The NRVUD620CTG is a diode array rectifier manufactured by onsemi, configured as a 1 Pair Common Cathode design with 200 V reverse voltage rating and 3 A average rectified current per diode. The device is housed in a TO-252-3 DPAK surface mount package and is part of the SWITCHMODE™ series. This part is currently listed as obsolete, making identification of equivalent and substitute components necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Voltage - DC Reverse (Vr) (Max)	200 V
Current - Average Rectified (Io) (per Diode)	3 A
Voltage - Forward (Vf) (Max) @ If	1 V @ 3 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	35 ns
Current - Reverse Leakage @ Vr	5 µA @ 200 V
Operating Temperature - Junction	-65°C ~ 175°C
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63
Mounting Type	Surface Mount
Grade	Automotive
Qualification	AEC-Q101
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the NRVUD620CTG is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Diode Configuration: 1 Pair Common Cathode
Voltage - DC Reverse (Vr) (Max): 200 V minimum
Current - Average Rectified (Io) (per Diode): 3 A minimum
Package / Case: TO-252-3, DPAK (2 Leads + Tab), SC-63
Mounting Type: Surface Mount
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)

Acceptable Variation Parameters:

Voltage - Forward (Vf) (Max) @ If: Within ±0.2 V of specified value
Reverse Recovery Time (trr): Within ±10 ns of specified value
Current - Reverse Leakage @ Vr: Within ±5 µA of specified value
Operating Temperature - Junction: Minimum -65°C to maximum 175°C acceptable
Compliance certifications (AEC-Q101, RoHS3, REACH Unaffected)

Substitute parts are grouped into two categories: Direct Equivalents (identical electrical and mechanical specifications) and Parametric Equivalents (meeting or exceeding all critical parameters with minor variations in secondary characteristics).

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (per Diode)	Vf (Max) @ If	trr (ns)	Ir @ Vr	Tj (Operating)	Package	Status	Grade
NRVUD620CTG	onsemi	200 V	3 A	1 V @ 3 A	35 ns	5 µA @ 200 V	-65°C ~ 175°C	TO-252-3 DPAK	Obsolete	Automotive
SNRVUD620CTT4G	onsemi	200 V	3 A	1 V @ 3 A	35 ns	5 µA @ 200 V	-65°C ~ 175°C	TO-252-3 DPAK	Active	Automotive
STTH602CBY-TR	STMicroelectronics	200 V	3 A	1.1 V @ 3 A	30 ns	3 µA @ 200 V	-40°C ~ 175°C	TO-252-3 DPAK	Active	Automotive
VS-MURD620CTHM3	Vishay	200 V	3 A	1 V @ 3 A	35 ns	5 µA @ 200 V	-65°C ~ 175°C	TO-252-3 DPAK	Active	Automotive
VS-MURD620CTTRHM3	Vishay	200 V	3 A	1 V @ 3 A	35 ns	5 µA @ 200 V	-65°C ~ 175°C	TO-252-3 DPAK	Active	Automotive
VS-MURD620CTTRL-M3	Vishay	200 V	3 A	1 V @ 3 A	35 ns	5 µA @ 200 V	-65°C ~ 175°C	TO-252-3 DPAK	Active	Automotive
VS-6CWH02FNHM3	Vishay	200 V	3 A	1.2 V @ 6 A	19 ns	5 µA @ 200 V	-65°C ~ 175°C	TO-252-3 DPAK	Active	Automotive
RF601BM2DTL	Rohm Semiconductor	200 V	6 A	930 mV @ 3 A	25 ns	10 µA @ 200 V	-65°C ~ 150°C	TO-252-3 DPAK	Active	Standard

Engineering Selection Recommendations

Direct Equivalents (Identical Specifications):

The following parts provide direct electrical and mechanical equivalence to the NRVUD620CTG:

SNRVUD620CTT4G (onsemi): Identical specifications with active product status. Available in Tape & Reel packaging. Maintains all automotive qualifications and AEC-Q101 certification. Recommended as primary replacement for obsolete NRVUD620CTG.
VS-MURD620CTHM3 (Vishay): Identical electrical specifications. Available in Tube packaging. Maintains automotive grade and AEC-Q101 qualification. FRED Pt® series technology.
VS-MURD620CTTRHM3 (Vishay): Identical electrical specifications. Available in Tape & Reel packaging. Maintains automotive grade and AEC-Q101 qualification. FRED Pt® series technology.
VS-MURD620CTTRL-M3 (Vishay): Identical electrical specifications. Available in Tape & Reel packaging. Maintains automotive grade and AEC-Q101 qualification. FRED Pt® series technology.

Parametric Equivalents (Enhanced Performance):

STTH602CBY-TR (STMicroelectronics): Meets all critical parameters with improved reverse recovery time (30 ns vs. 35 ns) and lower reverse leakage current (3 µA vs. 5 µA). Operating temperature range reduced to -40°C minimum. Maintains automotive grade and AEC-Q101 certification. Available in Cut Tape packaging.
VS-6CWH02FNHM3 (Vishay): Meets all critical parameters with significantly improved reverse recovery time (19 ns vs. 35 ns). Forward voltage specified at 6 A rather than 3 A. Maintains automotive grade and AEC-Q101 certification. FRED Pt® series technology. Available in Tube packaging.

Higher Current Alternative:

RF601BM2DTL (Rohm Semiconductor): Exceeds current rating (6 A vs. 3 A per diode) while maintaining 200 V reverse voltage. Improved reverse recovery time (25 ns). Standard grade (not automotive). Available in Cut Tape & Digi-Reel® packaging. Suitable for applications requiring higher current capacity within the same package footprint.

All substitute parts maintain RoHS3 compliance, REACH Unaffected status, and MSL 1 (Unlimited) moisture sensitivity level.

Frequently Asked Questions (FAQ)

Q: Can SNRVUD620CTT4G directly replace NRVUD620CTG?

A: Yes. SNRVUD620CTT4G provides identical electrical and mechanical specifications. The primary difference is product status (Active vs. Obsolete) and packaging format (Tape & Reel vs. standard). Both maintain automotive grade and AEC-Q101 qualification.

Q: What is the difference between Vishay MURD620 variants (CTHM3, CTTRHM3, CTTRL-M3)?

A: All three Vishay MURD620 variants provide identical electrical specifications. The differences are in packaging format: CTHM3 is supplied in Tube, CTTRHM3 in Tape & Reel with specific reel configuration, and CTTRL-M3 in Tape & Reel with alternative reel configuration. Selection depends on procurement and assembly requirements.

Q: Is RF601BM2DTL a suitable replacement?

A: RF601BM2DTL meets the critical electrical parameters (200 V reverse voltage, fast recovery speed, same package) but provides double the current rating (6 A vs. 3 A per diode). It is suitable for applications where higher current capacity is beneficial or required. However, it is standard grade rather than automotive grade, which may affect suitability for automotive applications requiring AEC-Q101 qualification.

Q: What are the key parameters that must match for substitution?

A: Critical matching parameters are: 1 Pair Common Cathode configuration, 200 V minimum reverse voltage, 3 A minimum average rectified current per diode, TO-252-3 DPAK package, surface mount mounting type, and fast recovery speed classification (≤ 500ns). Forward voltage, reverse recovery time, and reverse leakage current may vary within specified tolerances.

Q: Can I use STTH602CBY-TR in place of NRVUD620CTG?

A: Yes. STTH602CBY-TR meets all critical parameters with improved performance characteristics (faster recovery time, lower leakage current). The operating temperature range minimum is -40°C instead of -65°C, which may be a consideration for extreme cold environment applications. Both maintain automotive grade and AEC-Q101 certification.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape (CT) packaging supplies components in individual tape segments suitable for manual or small-scale assembly. Tape & Reel (TR) packaging supplies components on continuous reels suitable for automated assembly equipment. Both formats contain identical components; selection depends on assembly process requirements.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain RoHS3 compliance and REACH Unaffected status, matching the compliance profile of the NRVUD620CTG.

Q: What does AEC-Q101 qualification mean?

A: AEC-Q101 is the automotive electronics council qualification standard for discrete semiconductors. It certifies that components meet automotive industry reliability and quality requirements. All recommended direct equivalents maintain this qualification.

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