RFN3BM6SFHTL Equivalent & Substitute Parts Reference

Part Overview

RFN3BM6SFHTL is a surface-mount, general-purpose fast recovery rectifier diode manufactured by Rohm Semiconductor, categorized under Diodes, Rectifiers. It features a maximum reverse voltage of 600 V and an average rectified current of 3A, in a TO-252 (DPAK) package, and supports automotive-grade qualification (AEC-Q101). The product is active and ROHS3 compliant. Identifying precise alternatives is essential for continuity in manufacturing, qualification, and optimizing component availability.

Key Parameters

Parameter	Value
Manufacturer	Rohm Semiconductor
Category	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	600 V
Current - Average Rectified (Io)	3A
Voltage - Forward (Vf) (Max) @ If	1.55 V @ 3 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	30 ns
Current - Reverse Leakage @ Vr	10 µA @ 600 V
Mounting Type	Surface Mount
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63
Supplier Device Package	TO-252
Operating Temperature - Junction	150°C (Max)
RoHS Status	ROHS3 Compliant
Qualification	AEC-Q101

Substitute Part Grouping Explanation

Substitution within this product category is determined by direct equivalence in these key diode parameters: voltage rating, current handling, forward voltage, reverse recovery speed, reverse leakage, mounting type, package form factor, and compliance grade. The substitute part RFN3BGE6STL matches all specified parameters, ensuring mechanical compatibility and electrical performance in the same application environment.

Parameter Comparison

Parameter	Main Part Number RFN3BM6SFHTL	Substitute Part RFN3BGE6STL
Manufacturer	Rohm Semiconductor	Rohm Semiconductor
Category	Diodes, Rectifiers	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	600 V	600 V
Current - Average Rectified (Io)	3A	3A
Voltage - Forward (Vf) (Max) @ If	1.55 V @ 3 A	1.55 V @ 3 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	30 ns	30 ns
Current - Reverse Leakage @ Vr	10 µA @ 600 V	10 µA @ 600 V
Mounting Type	Surface Mount	Surface Mount
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63
Supplier Device Package	TO-252	TO-252
Operating Temperature - Junction	150°C (Max)	150°C (Max)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Both RFN3BM6SFHTL and RFN3BGE6STL are active-status products, ROHS3 compliant, and have unaffected REACH status. They share identical qualification and certification profiles within the automotive grade standard (AEC-Q101). Either part can be selected on the basis of continued product availability, regulatory compliance, and identical form factor within the designated supplier device package.

Frequently Asked Questions (FAQ)

Q1: What strict criteria are used to confirm parametric equivalence for substitutes in the Diodes, Rectifiers category?
A1: Substitution is determined strictly by voltage rating, current rating, forward voltage, speed grade, recovery time, reverse leakage, mounting type, and exact package specification.

Q2: Are there any differences in electrical or mechanical characteristics between RFN3BM6SFHTL and RFN3BGE6STL?
A2: No differences exist in the provided electrical and mechanical parameters. Both parts are parametric equivalents.

Q3: How does packaging type affect substitution compatibility?
A3: Both models use TO-252-3, DPAK (2 Leads + Tab), SC-63 surface-mount packaging, ensuring direct mechanical and layout compatibility.

Q4: Are the compliance certifications identical for both models?
A4: Both RFN3BM6SFHTL and RFN3BGE6STL are ROHS3 compliant, with AEC-Q101 qualification and unaffected REACH status, meeting the same compliance requirements for automotive and industrial applications.

Q5: Does product status allow selection of either device in long-term designs?
A5: Yes, both parts have active status for direct selection and long-term procurement planning.

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