VB20200C-E3/4W Equivalent & Substitute Parts

Part Overview

The VB20200C-E3/4W is a Schottky diode array manufactured by Vishay General Semiconductor - Diodes Division. This component features a 1 Pair Common Cathode configuration rated for 200 V DC reverse voltage and 10 A average rectified current per diode. The device is packaged in TO-263-3 (D2PAK) surface mount format with 2 leads plus tab.

The VB20200C-E3/4W maintains Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1). Substitute parts are necessary when addressing supply chain constraints, inventory availability, or when design specifications allow for alternative manufacturers meeting equivalent electrical and mechanical parameters.

Substiute Parts

VB20200C-E3/4W

Vishay General Semiconductor - Diodes DivisionIn Stock: 8114VB20200C-E3/4W Datasheet

Current PartRFQ

MBRB20200CT

Diodes IncorporatedIn Stock: 21250MBRB20200CT Datasheet

MFR RecommendedRFQ

MBRB20200CTG

onsemiIn Stock: 23207MBRB20200CTG Datasheet

MFR RecommendedRFQ

MBRB20200CTT4G

onsemiIn Stock: 32439MBRB20200CTT4G Datasheet

MFR RecommendedRFQ

SBR10U200CTB

Diodes IncorporatedIn Stock: 1772SBR10U200CTB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the VB20200C-E3/4W is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

• Diode Configuration: 1 Pair Common Cathode (mandatory match)
• Technology: Schottky (mandatory match)
• Voltage - DC Reverse (Vr) (Max): 200 V (mandatory match)
• Current - Average Rectified (Io) (per Diode): 10 A (mandatory match)
• Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB (mandatory match)
• Mounting Type: Surface Mount (mandatory match)

Secondary Compatibility Parameters:

• Voltage - Forward (Vf) (Max) @ If: Must not exceed application requirements
• Current - Reverse Leakage @ Vr: Must not exceed application requirements
• Operating Temperature - Junction: Must encompass application operating range
• RoHS Status: ROHS3 Compliant (mandatory match)
• Moisture Sensitivity Level (MSL): 1 (Unlimited) (mandatory match)

Substitute parts are grouped into two categories: Full Equivalents (matching all primary and secondary parameters) and Functional Equivalents (matching primary criteria with acceptable parameter variations for specific applications).

Parameter Comparison

Engineering Selection Recommendations

Tier 1 - Primary Substitutes (Full Electrical & Mechanical Equivalence):

MBRB20200CT (Diodes Incorporated) and MBRB20200CTT4G (onsemi) are the preferred substitutes for the VB20200C-E3/4W. Both parts maintain Active product status, match all primary substitution criteria, and provide superior forward voltage characteristics (890–900 mV @ 10 A versus 1.6 V). MBRB20200CT carries Automotive grade qualification with AEC-Q101 certification, suitable for applications requiring automotive-level reliability. MBRB20200CTT4G is supplied in Cut Tape (CT) & Digi-Reel® packaging format, offering alternative procurement options. Both parts support the full operating temperature range of the original design.

Tier 2 - Functional Equivalents (Current Rating Limitation):

SBR10U200CTB (Diodes Incorporated) is a functional equivalent with a critical limitation: the current rating is 5 A per diode, compared to 10 A for the VB20200C-E3/4W. This part is suitable only for applications where the design current requirement does not exceed 5 A per diode. The SBR10U200CTB features Super Barrier technology with superior forward voltage performance (820 mV @ 5 A) and extended operating temperature range (-65 to 175 °C). This part carries Obsolete product status.

Tier 3 - Avoid:

MBRB20200CTG (onsemi) carries Obsolete product status and exhibits elevated reverse leakage current (1 mA @ 200 V) compared to the original part (150 µA @ 200 V). While electrically functional, the obsolete status and higher leakage characteristics make this part unsuitable for new designs or long-term supply chain planning.

Selection Criteria Summary:

• For direct replacement with Active product status: Select MBRB20200CT or MBRB20200CTT4G
• For automotive applications requiring certification: Select MBRB20200CT (AEC-Q101 qualified)
• For applications with current requirements ≤ 5 A: SBR10U200CTB is acceptable as a functional equivalent
• Avoid MBRB20200CTG due to Obsolete status and elevated reverse leakage

Frequently Asked Questions (FAQ)

Q: Can MBRB20200CT be used as a direct replacement for VB20200C-E3/4W?

A: Yes. MBRB20200CT matches all primary substitution criteria: 1 Pair Common Cathode configuration, Schottky technology, 200 V reverse voltage rating, 10 A current rating, TO-263-3 D2PAK package, and surface mount mounting type. Both parts are RoHS3 compliant with MSL 1. The MBRB20200CT is Active product status and offers improved forward voltage performance (890 mV @ 10 A versus 1.6 V @ 10 A).

Q: What is the difference between MBRB20200CT and MBRB20200CTT4G?

A: Both parts are electrically identical with matching electrical specifications. The primary difference is packaging format: MBRB20200CT is supplied in Tube packaging, while MBRB20200CTT4G is supplied in Cut Tape (CT) & Digi-Reel® format. Both maintain Active product status. Selection depends on procurement and assembly process requirements.

Q: Why is SBR10U200CTB listed as a substitute if it has a lower current rating?

A: SBR10U200CTB is a functional equivalent for applications where the design current requirement does not exceed 5 A per diode. It matches the voltage rating (200 V), package type (TO-263-3 D2PAK), and configuration (1 Pair Common Cathode). The lower current rating restricts its use to lower-power applications. This part is Obsolete and should not be selected for new designs.

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

A: Yes. All substitute parts use the identical TO-263-3 D2PAK package with 2 leads plus tab. PCB footprints, land patterns, and thermal management layouts are directly compatible without modification.

Q: What does "1 Pair Common Cathode" configuration mean?

A: This configuration contains two diodes within a single package with a shared cathode terminal. The common cathode connection is the tab (thermal pad) on the D2PAK package. This configuration is essential for bridge rectifier and dual-diode applications where the cathodes must be connected together.

Q: Can I use MBRB20200CTG as a substitute?

A: MBRB20200CTG is not recommended for new designs. Although electrically functional, this part carries Obsolete product status and exhibits reverse leakage current of 1 mA @ 200 V, which is significantly higher than the original VB20200C-E3/4W (150 µA @ 200 V). For long-term supply chain reliability, select MBRB20200CT or MBRB20200CTT4G instead.

Q: What is the significance of the forward voltage difference between VB20200C-E3/4W and MBRB20200CT?

A: The VB20200C-E3/4W specifies 1.6 V forward voltage @ 10 A, while MBRB20200CT specifies 890 mV @ 10 A. The lower forward voltage of MBRB20200CT results in reduced power dissipation and improved thermal performance. This is a beneficial characteristic for thermal management and efficiency. Applications designed for the higher forward voltage of the original part will operate with improved performance using the substitute.

Q: Are there any compliance or certification differences between the substitutes?

A: MBRB20200CT carries Automotive grade qualification with AEC-Q101 certification, making it suitable for automotive applications requiring formal qualification. The VB20200C-E3/4W and other substitutes do not specify automotive qualification. All parts are RoHS3 compliant and REACH unaffected.

Q: What is the operating temperature range difference, and does it matter?

A: VB20200C-E3/4W operates from -40 to 150 °C. MBRB20200CT extends this to -55 to 175 °C, and SBR10U200CTB to -65 to 175 °C. If your application operates within the original -40 to 150 °C range, all substitutes are compatible. If your application requires extended temperature operation below -40 °C or above 150 °C, select a substitute with the appropriate extended range.