MBRF20080 Equivalent & Substitute Parts Reference

Part Overview

The GeneSiC Semiconductor MBRF20080 is a Schottky diode array designed for fast recovery, featuring a 1 pair common cathode configuration, up to 80 V DC reverse voltage, and rated for 100A average rectified current per diode. Supplied in a TO-244AB chassis mount package, the part is now obsolete, prompting the necessity to identify suitable alternative models for designs requiring continued support and availability.

Key Parameters

Manufacturer Part Number	Manufacturer	Category	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)	Product Status
MBRF20080	GeneSiC Semiconductor	Diodes, Rectifiers	1 Pair Common Cathode	Schottky	80 V	100A	840 mV @ 100 A	Fast Recovery =< 500ns, > 200mA (Io)	1 mA @ 80 V	-55°C ~ 150°C	Chassis Mount	TO-244AB	TO-244AB	1 (Unlimited)	Obsolete

Substitute Part Grouping Explanation

Substitute parts for MBRF20080 are selected strictly according to these parameters:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 80 V
Current - Average Rectified (Io) (per Diode): 100A
Voltage - Forward (Vf) (Max) @ If: as specified
Speed: Fast Recovery =< 500ns, > 200mA (Io)
Mounting Type: Chassis Mount
Package / Case: as specified per part

Only parts matching or exceeding these parameters, and that share identical configuration and mounting type, are listed.

Parameter Comparison

Manufacturer Part Number	Manufacturer	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	Moisture Sensitivity Level (MSL)	Product Status
MBRF20080	GeneSiC Semiconductor	1 Pair Common Cathode	Schottky	80 V	100A	840 mV @ 100 A	Fast Recovery =< 500ns, > 200mA (Io)	1 mA @ 80 V	-55°C ~ 150°C	Chassis Mount	TO-244AB	1 (Unlimited)	Obsolete
FST10080	GeneSiC Semiconductor	1 Pair Common Cathode	Schottky	80 V	100A	840 mV @ 100 A	Fast Recovery =< 500ns, > 200mA (Io)	2 mA @ 20 V	-55°C ~ 150°C	Chassis Mount	TO-249AB	1 (Unlimited)	Active
203CNQ080	SMC Diode Solutions	1 Pair Common Cathode	Schottky	80 V	100A	860 mV @ 100 A	Fast Recovery =< 500ns, > 200mA (Io)	3 mA @ 80 V	-55°C ~ 175°C	Chassis Mount	PRM4	1 (Unlimited)	Active

Engineering Selection Recommendations

MBRF20080 is classified as obsolete. FST10080 and 203CNQ080 are active and in inventory. Both substitutes are compliant with RoHS. The MSL for all listed parts is 1 (Unlimited). For applications requiring RoHS or REACH compliance, verify the supplied compliance status per part. Select substitute parts with active status to ensure continued sourcing.

Frequently Asked Questions (FAQ)

Q: On what basis are FST10080 and 203CNQ080 considered substitutes for MBRF20080?
A: They satisfy key parametric requirements: diode configuration, technology, voltage rating, current rating, speed, and mounting type.

Q: Are there any dimensional or mounting differences to consider among these substitutes?
A: Yes. MBRF20080 uses a TO-244AB chassis mount package; FST10080 uses TO-249AB, and 203CNQ080 uses PRM4. Match the package type with mechanical requirements of the application.

Q: What compliance standards are addressed?
A: Substitute parts specify RoHS status. 203CNQ080 lists REACH status. MSL is specified for all.

Q: How does product status affect selection?
A: MBRF20080 is obsolete. FST10080 and 203CNQ080 are active and suitable for designs requiring replacement or ongoing procurement.

Q: Are substitute parts identical to MBRF20080 in all respects?
A: Substitute parts match essential electrical and configuration parameters. Package type and reverse leakage current should be compared for application compatibility.

Q: Why is reverse leakage current specified at different test voltages?
A: Values are provided as specified by the manufacturer for each part. Ensure test voltage matches your application requirements.

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