1N3913 Equivalent & Substitute Parts Reference

Part Overview

The 1N3913 by Microchip Technology is a high-current fast recovery rectifier diode in the DO-203AB (DO-5) stud mount package. It features a maximum reverse voltage of 400 V, a 50A average forward current, a maximum forward voltage of 1.4 V at 50 A, and a reverse recovery time of 200 ns. The product is currently active with available inventory. Identifying equivalent and substitute parts is necessary to ensure supply chain continuity, address regulatory considerations such as RoHS compliance, and accommodate inventory or alternative sourcing requirements in the Diodes, Rectifiers category.

Key Parameters

Parameter	1N3913
Category	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	400 V
Current - Average Rectified (Io)	50A
Voltage - Forward (Vf) (Max) @ If	1.4 V @ 50 A
Reverse Recovery Time (trr)	200 ns
Mounting Type	Stud Mount
Package / Case	DO-203AB, DO-5, Stud
Product Status	Active
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitutes are determined strictly by matching or exceeding all key electrical and mechanical parameters: maximum reverse voltage, average rectified current, maximum forward voltage at rated current, reverse recovery time, mounting type, and package/case. These parameters establish direct compatibility without the need for assumptions or extrapolation.

Parameter Comparison

Parameter	1N3913 (Microchip Technology)	FR85G02 (GeneSiC Semiconductor)
Category	Diodes, Rectifiers	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	400 V	400 V
Current - Average Rectified (Io)	50A	85A
Voltage - Forward (Vf) (Max) @ If	1.4 V @ 50 A	1.4 V @ 85 A
Reverse Recovery Time (trr)	200 ns	200 ns
Mounting Type	Stud Mount	Chassis, Stud Mount
Package / Case	DO-203AB, DO-5, Stud	DO-203AB, DO-5, Stud
Product Status	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

The 1N3913 is RoHS non-compliant, while the FR85G02 is ROHS3 Compliant. Both parts are REACH Unaffected and categorized as Active. Selection should be based on compliance requirements (such as the need for RoHS or REACH conformance) and product status. Both parts are offered in DO-203AB (DO-5, Stud) packages, maintaining mechanical compatibility within the Diodes, Rectifiers category.

Frequently Asked Questions (FAQ)

Q: What are the primary criteria for selecting a substitute rectifier diode in this category?
A: Selection is based on matching maximum reverse voltage, average rectified current, maximum forward voltage at rated current, reverse recovery time, mounting type, and package/case.

Q: Are the 1N3913 and FR85G02 directly interchangeable in standard stud-mount diode applications?
A: Both parts share the DO-203AB (DO-5, Stud) package and have matching or better electrical characteristics per the provided parameters.

Q: Does RoHS status affect selection?
A: RoHS status is a compliance consideration. The 1N3913 is RoHS non-compliant, while the FR85G02 is ROHS3 Compliant.

Q: Are there differences in mechanical mounting between these substitute parts?
A: Both parts are specified as stud mount and use the DO-203AB (DO-5, Stud) package, supporting mechanical compatibility.

Q: Is the reverse recovery time identical for both options?
A: Both 1N3913 and FR85G02 have a reverse recovery time of 200 ns, ensuring equivalent switching speed performance as per the provided parameters.

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