VB40150C-M3/8W Equivalent & Substitute Parts

Part Overview

The VB40150C-M3/8W is a Schottky diode array manufactured by Vishay General Semiconductor - Diodes Division. This component features a 1 Pair Common Cathode configuration rated for 150 V DC reverse voltage and 15 A average rectified current per diode. The device is housed in a TO-263-3 D2PAK surface mount package and is classified as Active product status with ROHS3 compliance. Substitute parts are identified when equivalent electrical and mechanical parameters are required due to inventory constraints, manufacturing discontinuation, or application-specific performance needs.

Substiute Parts

VB40150C-M3/8W

Vishay General Semiconductor - Diodes DivisionIn Stock: 837VB40150C-M3/8W Datasheet

Current PartRFQ

VB30150C-M3/8W

Vishay General Semiconductor - Diodes DivisionIn Stock: 1387VB30150C-M3/8W Datasheet

Parametric EquivalentRFQ

STPS40150CG

STMicroelectronicsIn Stock: 2303STPS40150CG Datasheet

MFR RecommendedRFQ

STPS40150CG-TR

STMicroelectronicsIn Stock: 2322STPS40150CG-TR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the VB40150C-M3/8W are classified into two categories based on parametric equivalence and manufacturer recommendations:

Parametric Equivalent: VB30150C-M3/8W maintains identical electrical specifications across all critical parameters including reverse voltage (150 V), average rectified current (15 A), forward voltage (1.36 V @ 15 A), reverse leakage current (200 µA @ 150 V), and operating temperature range (-55°C ~ 150°C). This part shares the same package configuration (TO-263-3 D2PAK) and mounting type (Surface Mount). The substitution is valid for direct replacement in applications where these parameters are the design requirement.

Manufacturer Recommended Equivalents: STPS40150CG and STPS40150CG-TR are STMicroelectronics alternatives that maintain the same reverse voltage rating (150 V) and package type (TO-263-3 D2PAK). These parts feature enhanced current capability (20 A average rectified current per diode versus 15 A) and improved reverse leakage characteristics (8 µA @ 150 V versus 200 µA @ 150 V). The forward voltage specification differs at the rated current point (920 mV @ 20 A). Maximum junction temperature extends to 175°C. These substitutes are suitable for applications requiring higher current capacity or lower leakage performance within the same voltage and package constraints.

Parameter Comparison

Engineering Selection Recommendations

VB30150C-M3/8W is the direct parametric equivalent for applications requiring identical electrical performance to the VB40150C-M3/8W. All critical specifications including reverse voltage, average rectified current, forward voltage, reverse leakage, and operating temperature range are matched. This substitute maintains the same Vishay TMBS® series designation and is suitable for one-to-one replacement. Both parts are Active status with ROHS3 compliance and MSL 1 rating.

STPS40150CG and STPS40150CG-TR are manufacturer-recommended alternatives from STMicroelectronics that provide enhanced performance characteristics. These parts maintain the 150 V reverse voltage rating and TO-263-3 D2PAK package compatibility. The increased current rating (20 A versus 15 A) and significantly reduced reverse leakage (8 µA versus 200 µA) make these substitutes suitable for applications where higher current capacity or lower leakage performance is beneficial. The extended maximum junction temperature (175°C versus 150°C) provides additional thermal margin. Both variants are Active status with ROHS3 compliance and MSL 1 rating. Selection between STPS40150CG (Tube packaging) and STPS40150CG-TR (Cut Tape & Digi-Reel® packaging) depends on procurement and assembly requirements.

Frequently Asked Questions (FAQ)

Q: Can VB30150C-M3/8W be used as a direct replacement for VB40150C-M3/8W?

A: Yes. The VB30150C-M3/8W is a parametric equivalent with identical electrical specifications across all critical parameters: 150 V reverse voltage, 15 A average rectified current, 1.36 V forward voltage at 15 A, 200 µA reverse leakage at 150 V, and -55°C to 150°C operating temperature range. The package configuration (TO-263-3 D2PAK) and mounting type (Surface Mount) are identical. This part is suitable for direct one-to-one replacement.

Q: What are the differences between STPS40150CG and STPS40150CG-TR?

A: Both STPS40150CG and STPS40150CG-TR are electrically identical STMicroelectronics Schottky diode arrays with 150 V reverse voltage and 20 A average rectified current. The primary difference is packaging format: STPS40150CG is supplied in Tube packaging, while STPS40150CG-TR is supplied in Cut Tape (CT) & Digi-Reel® format. Selection depends on assembly line requirements and procurement preferences.

Q: Can STPS40150CG be used in place of VB40150C-M3/8W?

A: STPS40150CG is compatible from a package and voltage perspective (both use TO-263-3 D2PAK and 150 V rating). However, the current rating differs: STPS40150CG is rated for 20 A average rectified current versus 15 A for VB40150C-M3/8W. Additionally, reverse leakage is significantly lower (8 µA versus 200 µA at 150 V). These differences represent performance enhancements suitable for applications where higher current capacity or lower leakage is acceptable or beneficial. Forward voltage specifications differ at their respective rated currents (920 mV @ 20 A for STPS40150CG versus 1.36 V @ 15 A for VB40150C-M3/8W).

Q: Are all substitute parts ROHS3 compliant?

A: Yes. VB40150C-M3/8W, VB30150C-M3/8W, STPS40150CG, and STPS40150CG-TR are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Q: What is the maximum junction temperature for each part?

A: VB40150C-M3/8W and VB30150C-M3/8W have a maximum operating junction temperature of 150°C. STPS40150CG and STPS40150CG-TR have a maximum operating junction temperature of 175°C, providing 25°C additional thermal margin.

Q: Do all parts use the same package footprint?

A: Yes. All four parts use the TO-263-3 D2PAK (2 Leads + Tab) surface mount package with identical mechanical dimensions and PCB footprint compatibility.