Equivalent & Substitute Parts for MBRF40045

Part Overview

GeneSiC Semiconductor MBRF40045 is a Schottky diode array, featuring a 1 Pair Common Cathode configuration, with a maximum reverse voltage of 45 V and average rectified current of 200A per diode. The device supports a fast recovery speed and is designed for chassis mount installation in a TO-244AB package. As this product is obsolete, it is necessary to evaluate alternative models to ensure continued availability and compatibility in applications requiring these specified electrical and mechanical characteristics.

Key Parameters

Manufacturer Part Number	Manufacturer	Category	Description	Diode Configuration	Technology	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io) (per Diode)	Voltage - Forward (Vf) (Max) @ If	Speed	Current - Reverse Leakage @ Vr	Operating Temperature - Junction	Mounting Type	Package / Case	Supplier Device Package	Moisture Sensitivity Level (MSL)	ECCN	HTSUS	Product Status
MBRF40045	GeneSiC Semiconductor	Diodes, Rectifiers	Diode Array 1 Pair Common Cathode 45 V 200A Chassis Mount TO-244AB	1 Pair Common Cathode	Schottky	45 V	200A	700 mV @ 200 A	Fast Recovery =< 500ns, > 200mA (Io)	1 mA @ 45 V	-55°C ~ 150°C	Chassis Mount	TO-244AB	TO-244AB	1 (Unlimited)	EAR99	8541.10.0080	Obsolete

Substitute Part Grouping Explanation

Substitute selection for diode rectifiers such as MBRF40045 is strictly grouped according to electrical and mechanical parameters. These parameters are: diode configuration (1 Pair Common Cathode), technology (Schottky), maximum DC reverse voltage, average rectified current per diode, forward voltage at rated current, switching speed, reverse leakage current, operating junction temperature range, mounting type, package/case, and compliance identifiers. Only parts matching or defined within these parameter sets are considered here as substitutes.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Category	Description	Diode Configuration	Technology	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io) (per Diode)	Voltage - Forward (Vf) (Max) @ If	Speed	Current - Reverse Leakage @ Vr	Operating Temperature - Junction	Mounting Type	Package / Case	Supplier Device Package	Moisture Sensitivity Level (MSL)	ECCN	HTSUS	Product Status
MBRF40045	GeneSiC Semiconductor	Diodes, Rectifiers	Diode Array 1 Pair Common Cathode 45 V 200A Chassis Mount TO-244AB	1 Pair Common Cathode	Schottky	45 V	200A	700 mV @ 200 A	Fast Recovery =< 500ns, > 200mA (Io)	1 mA @ 45 V	-55°C ~ 150°C	Chassis Mount	TO-244AB	TO-244AB	1 (Unlimited)	EAR99	8541.10.0080	Obsolete
MBRT20045	GeneSiC Semiconductor	Diodes, Rectifiers	Diode Array 1 Pair Common Cathode 45 V 100A Chassis Mount Three Tower	1 Pair Common Cathode	Schottky	45 V	100A	750 mV @ 100 A	Fast Recovery =< 500ns, > 200mA (Io)	1 mA @ 20 V	-55°C ~ 150°C	Chassis Mount	Three Tower	Three Tower	1 (Unlimited)	EAR99	8541.10.0080	Active

Engineering Selection Recommendations

Selection of substitute parts is governed by the product status and compliance details provided. MBRF40045 is obsolete, while MBRT20045 is listed as active and RoHS compliant. Both parts share identical ECCN (EAR99), HTSUS (8541.10.0080), and Moisture Sensitivity Level (1, Unlimited), supporting supply chain and regulatory continuity. Engineers should reference these certified statuses when determining substitutes within engineering documentation and procurement requirements.

Frequently Asked Questions (FAQ)

Q1: What are the main criteria for substituting diode rectifier parts in this category?
A1: Substitution is based on matching diode configuration, technology type, voltage ratings, current ratings, package/case, mounting type, and compliance identifiers.

Q2: Is package compatibility a necessary consideration for substitution?
A2: Yes, the mounting type and package/case (TO-244AB versus Three Tower) must be reviewed to ensure compatibility within existing hardware assemblies.

Q3: How does product status affect substitute selection?
A3: Obsolete status requires identification of similar active-status products to maintain ongoing part availability within designs.

Q4: Are regulatory and compliance parameters reviewed in the substitution process?
A4: Yes, ECCN classification, HTSUS code, Moisture Sensitivity Level, and RoHS status are assessed to support compliance in regulated applications.

Q5: Can substitutes with differing electrical ratings be used?
A5: Only substitutes matching the explicitly provided electrical parameters (as listed above) can be considered equivalent under these criteria.

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