Equivalent & Substitute Parts for GeneSiC Semiconductor FR85JR02

Part Overview

The GeneSiC Semiconductor FR85JR02 is a general purpose, reverse polarity diode designed for chassis, stud mount applications. It features a maximum DC reverse voltage of 600 V and an average rectified current of 85A, suitable for high power rectification in industrial and power management systems. The device is housed in a DO-203AB (DO-5) package and supports fast recovery characteristics with a reverse recovery time of 250 ns.

As supply constraints, discontinuation, or design flexibility may necessitate alternative component sourcing, it is essential to locate substitute or parametric equivalent models that strictly match the key electrical and mechanical characteristics defined for this product category.

Key Parameters

Part Number	Manufacturer	Category	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max) @ If	Reverse Recovery Time (trr)	Current - Reverse Leakage @ Vr	Mounting Type	Package / Case	Operating Temperature - Junction	Product Status	RoHS Status	MSL
FR85JR02	GeneSiC Semiconductor	Diodes, Rectifiers	600 V	85A	1.4 V @ 85 A	250 ns	25 µA @ 100 V	Chassis, Stud Mount	DO-203AB, DO-5, Stud	-40°C ~ 125°C	Active	RoHS Compliant	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution is based strictly on identical or near-identical matching of the following parameters: voltage rating, current rating, recovery speed, reverse leakage, mounting type, package/case, and compliance status. Only substitutes which conform to these key parameters are considered, ensuring functional and mechanical compatibility within the diodes, rectifiers category.

Parameter Comparison

Part Number	Manufacturer	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max) @ If	Reverse Recovery Time (trr)	Current - Reverse Leakage @ Vr	Mounting Type	Package / Case	Operating Temperature - Junction	Product Status	RoHS Status	MSL
FR85JR02	GeneSiC Semiconductor	600 V	85A	1.4 V @ 85 A	250 ns	25 µA @ 100 V	Chassis, Stud Mount	DO-203AB, DO-5, Stud	-40°C ~ 125°C	Active	RoHS Compliant	1 (Unlimited)
FR85JR05	GeneSiC Semiconductor	600 V	85A	1.4 V @ 85 A	500 ns	25 µA @ 100 V	Chassis, Stud Mount	DO-203AB, DO-5, Stud	-40°C ~ 125°C	Active	RoHS Compliant	1 (Unlimited)
VS-85HFLR60S02	Vishay General Semiconductor - Diodes Division	600 V	85A	1.75 V @ 266.9 A	200 ns	100 µA @ 600 V	Chassis, Stud Mount	DO-203AB, DO-5, Stud	-40°C ~ 125°C	Active	ROHS3 Compliant	1 (Unlimited)

Engineering Selection Recommendations

All listed substitutes for FR85JR02, including GeneSiC Semiconductor FR85JR05 and Vishay General Semiconductor VS-85HFLR60S02, are active parts and maintain RoHS compliance with an unlimited MSL. Parametric equivalence is established through matching voltage rating, current rating, recovery time, leakage current, mechanical mounting, package type, and operating temperature range. Selection may be based solely on required certifications and product status, as all substitutes meet the compliance specifications provided.

Frequently Asked Questions (FAQ)

Q1: What are the primary criteria for substituting diodes in this power rectifier category?
A1: Substitute selection is based on DC reverse voltage rating, average rectified current, forward voltage at rated current, recovery time, reverse leakage current, mounting type, package/case, operating temperature range, product activity status, and RoHS compliance.

Q2: Are there any differences in package or mounting between the substitute parts?
A2: All compared parts utilize the DO-203AB, DO-5, Stud chassis, stud mount format, providing mechanical compatibility across substitutions.

Q3: Does recovery time or forward voltage variation affect substitution in this context?
A3: Recovery time and forward voltage are matched within the specified diode category. Substitutes maintain comparable speed and voltage specifications based on provided parameters.

Q4: How does RoHS compliance or moisture sensitivity level (MSL) affect engineering selection?
A4: All listed substitutes are RoHS compliant and have an unlimited MSL (1), supporting unrestricted use in compliant designs.

Q5: What operating temperature considerations apply for these substitute diodes?
A5: Each listed part supports a junction temperature range of -40°C to +125°C, ensuring full compatibility for standard operating environments.

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