SDURB2060 Equivalent & Substitute Parts

Part Overview

The SDURB2060 is a general-purpose rectifier diode manufactured by SMC Diode Solutions, rated for 600 V DC reverse voltage and 20 A average rectified current in a D2PAK surface mount package. This diode is classified as Active product status and features fast recovery characteristics with a 50 ns reverse recovery time. The part is RoHS3 compliant and carries MSL 1 (Unlimited) moisture sensitivity rating.

Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter ranges while maintaining the same package form factor and mounting technology. Alternative sources may be required due to inventory availability, supply chain considerations, or specific application requirements for automotive qualification or enhanced performance characteristics.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	20	A
Voltage - Forward (Vf) (Max) @ If	2 V @ 20 A	V
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	5	µA @ 600 V
Package / Case	TO-263-3, D2PAK (2 Leads + Tab)	-
Mounting Type	Surface Mount	-
Operating Temperature - Junction	-55°C ~ 150°C	°C
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitute parts for the SDURB2060 are classified based on the following electrical and mechanical criteria:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 600 V (exact match required)
Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB (exact match required)
Mounting Type: Surface Mount (exact match required)
Technology: Standard (exact match required)
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io) (exact match required)

Secondary Compatibility Parameters:

Current - Average Rectified (Io): 20 A (primary part rating; substitutes may operate at reduced current ratings)
Reverse Recovery Time (trr): 50 ns (primary part specification; substitutes may vary within fast recovery classification)
Current - Reverse Leakage @ Vr: 5 µA @ 600 V (primary part specification; substitutes may vary)
Operating Temperature - Junction: -55°C ~ 150°C (primary part range; substitutes may extend upper limit)
RoHS Status: ROHS3 Compliant (compliance requirement maintained across all substitutes)
Moisture Sensitivity Level (MSL): 1 (Unlimited) (handling requirement maintained)

Substitutes are grouped into two categories: Similar Manufacturer Parts (reduced current ratings with identical voltage and package specifications) and Parametric Equivalent (matching current and voltage ratings with identical package specifications).

Parameter Comparison

Parameter	SDURB2060 (SMC)	UGS20JH (TSC)	VS-ETL1506S-M3 (Vishay)	STTH12R06G (STMicroelectronics)	STTH806G-TR (STMicroelectronics)
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	20 A	20 A	15 A	12 A	8 A
Voltage - Forward (Vf) (Max) @ If	2 V @ 20 A	2 V @ 20 A	1.07 V @ 15 A	2.9 V @ 12 A	1.85 V @ 8 A
Reverse Recovery Time (trr)	50 ns	50 ns	210 ns	45 ns	55 ns
Current - Reverse Leakage @ Vr	5 µA @ 600 V	1 µA @ 600 V	15 µA @ 600 V	45 µA @ 600 V	8 µA @ 600 V
Package / Case	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-65°C ~ 175°C	175°C (Max)	175°C (Max)
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Packaging Type	Tape & Reel (TR)	Tape & Reel (TR)	Bulk	Tube	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

Parametric Equivalent - Full Current Rating Match:

The UGS20JH (Taiwan Semiconductor Corporation) provides parametric equivalence to the SDURB2060 with identical voltage (600 V), current (20 A), forward voltage (2 V @ 20 A), and reverse recovery time (50 ns) specifications. This part carries AEC-Q101 automotive qualification and is suitable for applications requiring automotive-grade components. The UGS20JH is available in Tape & Reel packaging and maintains all compliance requirements (ROHS3, MSL 1). This substitute is appropriate for direct replacement in applications where the full 20 A current rating is required.

Similar Manufacturer Parts - Reduced Current Ratings:

The VS-ETL1506S-M3 (Vishay General Semiconductor) operates at 15 A average rectified current with superior forward voltage characteristics (1.07 V @ 15 A) compared to the primary part. This substitute is suitable for applications where current requirements do not exceed 15 A. The extended operating temperature range (-65°C ~ 175°C) provides thermal margin beyond the primary part specification. The reverse recovery time of 210 ns remains within the fast recovery classification.

The STTH12R06G (STMicroelectronics) operates at 12 A average rectified current with the fastest reverse recovery time (45 ns) among all substitutes. This part is suitable for applications requiring current levels up to 12 A and offers enhanced switching performance. The maximum junction temperature of 175°C exceeds the primary part specification.

The STTH806G-TR (STMicroelectronics) operates at 8 A average rectified current and is suitable for applications with current requirements not exceeding 8 A. This substitute offers the lowest forward voltage drop at rated current (1.85 V @ 8 A) and maintains fast recovery characteristics (55 ns). Inventory availability for this part is significantly higher (389,188 pcs) compared to other substitutes.

All substitute parts maintain identical D2PAK package specifications, surface mount mounting technology, RoHS3 compliance, and MSL 1 moisture sensitivity rating. Selection among substitutes depends on application current requirements, thermal operating conditions, and switching performance needs.

Frequently Asked Questions (FAQ)

Q: Can the UGS20JH replace the SDURB2060 in all applications?

A: The UGS20JH provides parametric equivalence with identical voltage (600 V), current (20 A), forward voltage (2 V @ 20 A), and reverse recovery time (50 ns) specifications. Both parts use the TO-263-3 D2PAK package and maintain identical compliance requirements. The UGS20JH is suitable for direct replacement where the full 20 A current rating is required. The primary difference is packaging format (Tape & Reel for both) and automotive qualification (AEC-Q101) available on the UGS20JH.

Q: What is the difference between the SDURB2060 and the VS-ETL1506S-M3?

A: The VS-ETL1506S-M3 operates at 15 A average rectified current compared to the SDURB2060 at 20 A. Both parts share identical 600 V reverse voltage rating and D2PAK package specifications. The VS-ETL1506S-M3 exhibits superior forward voltage performance (1.07 V @ 15 A versus 2 V @ 20 A) and an extended operating temperature range (-65°C ~ 175°C versus -55°C ~ 150°C). The VS-ETL1506S-M3 is suitable for applications where current requirements do not exceed 15 A.

Q: Can I use the STTH806G-TR in place of the SDURB2060?

A: The STTH806G-TR operates at 8 A average rectified current, which is lower than the SDURB2060 rating of 20 A. Both parts share identical 600 V reverse voltage rating and D2PAK package specifications. The STTH806G-TR is suitable only for applications where current requirements do not exceed 8 A. Use of this substitute in applications requiring higher current ratings will result in component overstress and potential failure.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed (UGS20JH, VS-ETL1506S-M3, STTH12R06G, STTH806G-TR) are RoHS3 compliant and maintain MSL 1 (Unlimited) moisture sensitivity rating, matching the primary SDURB2060 specifications.

Q: What is the significance of reverse recovery time differences among the substitutes?

A: Reverse recovery time (trr) affects switching speed and electromagnetic interference characteristics. The SDURB2060 specifies 50 ns. The STTH12R06G offers the fastest recovery at 45 ns, while the VS-ETL1506S-M3 operates at 210 ns. All parts meet the fast recovery classification (≤ 500ns, > 200mA). Selection depends on application switching frequency requirements and EMI performance specifications.

Q: Can packaging format differences affect component selection?

A: Packaging format (Tape & Reel, Tube, Bulk, Cut Tape) affects handling, storage, and assembly processes but does not alter electrical performance or compatibility. The SDURB2060 is supplied in Tape & Reel format. Substitutes are available in alternative packaging formats (UGS20JH in Tape & Reel, VS-ETL1506S-M3 in Bulk, STTH12R06G in Tube, STTH806G-TR in Cut Tape & Digi-Reel). Component selection should account for assembly line compatibility and inventory management requirements.

Q: What does AEC-Q101 qualification on the UGS20JH indicate?

A: AEC-Q101 is an automotive industry qualification standard for discrete semiconductors. The UGS20JH carries this qualification, indicating compliance with automotive reliability and performance requirements. The SDURB2060 does not list automotive qualification. Selection of the UGS20JH is appropriate for applications requiring automotive-grade components.

Q: How do forward voltage differences impact thermal performance?

A: Forward voltage drop directly affects power dissipation in the diode. The VS-ETL1506S-M3 exhibits the lowest forward voltage (1.07 V @ 15 A), resulting in lower power dissipation and reduced thermal load. The STTH12R06G exhibits the highest forward voltage (2.9 V @ 12 A) at its rated current. Lower forward voltage reduces heat generation and improves overall circuit efficiency. Selection should account for thermal management requirements and power budget constraints.

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