VB20100C-E3/8W Equivalent & Substitute Parts

Part Overview

The VB20100C-E3/8W is a Schottky diode array manufactured by Vishay General Semiconductor - Diodes Division. This component features a 1 Pair Common Cathode configuration rated for 100 V DC reverse voltage and 10 A average rectified current per diode. The device is housed in a Surface Mount TO-263-3 (D2PAK) package with 2 leads plus tab. The part maintains Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity when the primary part becomes unavailable or when alternative specifications better suit application requirements.

Substiute Parts

VB20100C-E3/8W

Vishay General Semiconductor - Diodes DivisionIn Stock: 87370VB20100C-E3/8W Datasheet

Current PartRFQ

MBRB20100CT

Diodes IncorporatedIn Stock: 45342MBRB20100CT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the VB20100C-E3/8W is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Diode Configuration: 1 Pair Common Cathode
• Technology: Schottky
• Voltage - DC Reverse (Vr) (Max): 100 V
• Current - Average Rectified (Io) (per Diode): 10 A
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
• Mounting Type: Surface Mount
• Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB

Allowable Parameter Variations: Substitute parts may exhibit differences in forward voltage (Vf), reverse leakage current, and operating temperature range, provided these variations remain within acceptable design margins for the target application. Compliance certifications and RoHS status must be maintained at equivalent or superior levels.

The MBRB20100CT from Diodes Incorporated qualifies as a direct substitute based on matching all mandatory parameters while offering enhanced specifications in reverse leakage current (100 µA vs. 800 µA) and extended operating temperature range (-55°C to 175°C vs. -40°C to 150°C). The MBRB20100CT carries AEC-Q101 automotive qualification, indicating suitability for demanding applications.

Parameter Comparison

Engineering Selection Recommendations

VB20100C-E3/8W (Vishay TMBS® Series)

Select this part for applications requiring the Vishay TMBS® series designation and standard industrial-grade specifications. The component is Active in product status with established supply chain presence (87,300 pcs in stock). RoHS3 compliance and MSL 1 rating support standard manufacturing environments. The forward voltage specification of 790 mV @ 10 A provides baseline performance for general rectification applications.

MBRB20100CT (Diodes Incorporated)

Select this part for applications requiring enhanced reliability, extended temperature operation, or automotive-grade qualification. The MBRB20100CT carries AEC-Q101 certification, indicating qualification for automotive and high-reliability applications. Superior reverse leakage current (100 µA vs. 800 µA) and extended operating temperature range (-55°C to 175°C vs. -40°C to 150°C) support demanding thermal and environmental conditions. RoHS3 compliance and MSL 1 rating match the primary part. Active product status with 45,300 pcs in stock ensures availability. The forward voltage specification of 840 mV @ 10 A represents a 50 mV increase; this variation must be evaluated against circuit design margins.

Both parts maintain identical package geometry (TO-263-3, D2PAK), diode configuration, voltage rating, and current rating, enabling direct PCB-level substitution without layout modification.

Frequently Asked Questions (FAQ)

Q: Can MBRB20100CT replace VB20100C-E3/8W in existing designs without PCB modification?

A: Yes. Both parts use identical TO-263-3 (D2PAK) package geometry with 2 leads plus tab. Pin-to-pin compatibility is confirmed. No PCB layout changes are required for mechanical substitution.

Q: What is the significance of the 50 mV forward voltage difference between these parts?

A: The VB20100C-E3/8W specifies 790 mV @ 10 A, while the MBRB20100CT specifies 840 mV @ 10 A. This 50 mV difference affects power dissipation and voltage drop across the diode. Circuit designs must accommodate this variation within their voltage margin specifications. Thermal analysis may be required for high-current applications.

Q: Why does MBRB20100CT have lower reverse leakage current?

A: The MBRB20100CT exhibits 100 µA @ 100 V compared to 800 µA @ 100 V for the VB20100C-E3/8W. Lower reverse leakage indicates superior junction quality and is typical of automotive-grade components. This characteristic benefits applications sensitive to leakage current, such as precision rectification or low-power standby circuits.

Q: Is the MBRB20100CT suitable for automotive applications?

A: Yes. The MBRB20100CT carries AEC-Q101 qualification, confirming suitability for automotive-grade applications. The extended operating temperature range (-55°C to 175°C) and lower reverse leakage current support automotive thermal and reliability requirements.

Q: Are both parts RoHS3 compliant?

A: Yes. Both VB20100C-E3/8W and MBRB20100CT are RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level. Both parts are REACH unaffected and classified as EAR99 for export control purposes.

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

A: VB20100C-E3/8W is supplied in Tape & Reel (TR) format, optimized for automated assembly processes. MBRB20100CT is supplied in Tube format, suitable for manual handling and lower-volume applications. Both packaging formats contain the same component; packaging selection depends on manufacturing process requirements.

Q: Can these parts be used interchangeably in high-temperature applications?

A: The MBRB20100CT supports extended junction temperature operation (-55°C to 175°C) compared to VB20100C-E3/8W (-40°C to 150°C). For applications approaching or exceeding 150°C junction temperature, the MBRB20100CT is the appropriate selection. For applications within -40°C to 150°C range, both parts are functionally equivalent.

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

A: This diode array contains two independent Schottky diodes sharing a common cathode connection. The configuration enables dual-diode rectification or switching functions within a single package. Both substitute parts maintain identical configuration, ensuring functional equivalence.

Q: Are there any REACH or export control restrictions on these parts?

A: Both parts are REACH unaffected and classified as EAR99 for export control purposes. No special licensing or restrictions apply to standard commercial distribution.