Equivalent & Substitute Parts Reference for VB20100S-E3/4W

Part Overview

The VB20100S-E3/4W is a Schottky rectifier diode from Vishay General Semiconductor, classified under diodes and rectifiers. It features a 100 V reverse voltage rating, 20 A average rectified current, and is packaged in a TO-263AB (D2PAK) surface mount form factor. The component is active, ROHS3 compliant, REACH unaffected, and intended for surface-mount applications. Engineering professionals may require viable substitutes due to supply chain requirements, inventory optimization, or alternative sourcing needs.

Key Parameters

Parameter	VB20100S-E3/4W Value
Type	Schottky
Voltage - DC Reverse (Vr) (Max)	100 V
Current - Average Rectified (Io)	20 A
Voltage - Forward (Vf) (Max) @ If	900 mV @ 20 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 100 V
Mounting Type	Surface Mount
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Supplier Device Package	TO-263AB (D2PAK)
Operating Temperature - Junction	-40°C ~ 150°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8541.10.0080

Substitute Part Grouping Explanation

Substitution within the rectifier diode category is based strictly on the following provided parameters: technology (Schottky), voltage - DC reverse (100 V), surface mount package (TO-263/D2PAK), speed classification (Fast Recovery ≤ 500ns, >200 mA Io), and compliance status. All substitute candidates must meet or exceed these specific criteria, including RoHS and REACH compliance and identical or compatible mounting and package details.

Parameter Comparison

Parameter	VB20100S-E3/4W	STPS8H100G-TR
Manufacturer	Vishay General Semiconductor	STMicroelectronics
Type	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	100 V	100 V
Current - Average Rectified (Io)	20 A	8 A
Voltage - Forward (Vf) (Max) @ If	900 mV @ 20 A	710 mV @ 8 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 100 V	4.5 µA @ 100 V
Mounting Type	Surface Mount	Surface Mount
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Supplier Device Package	TO-263AB (D2PAK)	D2PAK
Operating Temperature - Junction	-40°C ~ 150°C	175°C (Max)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99
HTSUS	8541.10.0080	8541.10.0080

Engineering Selection Recommendations

Both VB20100S-E3/4W and STPS8H100G-TR are active products with ROHS3 compliance, REACH unaffected status, and MSL 1 (unlimited). Both are in the same ECCN and HTSUS categories. Selection between these components should be based on product status, environmental compliance, inventory availability, and mounting compatibility as stated.

Frequently Asked Questions (FAQ)

Q1: What are the essential parameters for determining Schottky diode substitution in this category?
A1: Key parameters are diode technology, voltage rating, current rating, forward voltage, recovery speed, package type, environmental compliance, and mounting configuration as provided.

Q2: Can STPS8H100G-TR be used as a direct substitute for VB20100S-E3/4W?
A2: STPS8H100G-TR matches the voltage, technology, speed, and package requirements. Current rating differences should be evaluated according to application requirements based strictly on the specifications provided.

Q3: Are both parts compatible with lead-free (“green”) manufacturing requirements?
A3: Both VB20100S-E3/4W and STPS8H100G-TR are ROHS3 compliant and REACH unaffected as stated.

Q4: Is mounting hardware or footprint modification required for substituting these parts?
A4: Both parts share the same surface-mount package, TO-263-3 (D2PAK), so footprint compatibility is maintained based on the details provided.

Q5: Do both VB20100S-E3/4W and STPS8H100G-TR have unlimited floor life according to MSL?
A5: Both components have MSL 1 (unlimited), ensuring the same moisture sensitivity and handling requirements.

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