RFN5BM2SFHTL Equivalent & Substitute Parts Reference

Part Overview

The RFN5BM2SFHTL (Rohm Semiconductor) is a surface mount general-purpose fast recovery rectifier diode, classified under the Diodes, Rectifiers category. With a maximum repetitive reverse voltage (Vr) of 200 V and an average rectified current (Io) of 5A, this component is suitable for automotive applications and is AEC-Q101 qualified. The product is RoHS3 compliant, has an operating junction temperature up to 150°C, and is supplied in a TO-252-3, DPAK (2 Leads + Tab), SC-63 package. The component is currently active, but alternative models may be necessary in situations requiring different packaging, sourcing constraints, or inventory shortages.

Key Parameters

Parameter	RFN5BM2SFHTL
Category	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	200 V
Current - Average Rectified (Io)	5A
Voltage - Forward (Vf) (Max) @ If	980 mV @ 5 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	25 ns
Current - Reverse Leakage @ Vr	10 µA @ 200 V
Mounting Type	Surface Mount
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63
Supplier Device Package	TO-252
Automotive Grade	Yes
Qualification	AEC-Q101
Operating Temperature - Junction	150°C (Max)
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected
MSL	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute and equivalent parts for RFN5BM2SFHTL are determined strictly based on electrical and mechanical compatibility. The key parameters considered for substitution in this product category are:

Voltage - DC Reverse (Vr) (Max)
Current - Average Rectified (Io)
Voltage - Forward (Vf) (Max) @ If
Reverse Recovery Time (trr)
Speed category
Current - Reverse Leakage @ Vr
Package / Case and Mounting Type
Automotive qualification (AEC-Q101)
RoHS and REACH compliance Parts are grouped as parametric equivalents when all these parameters match. Parts with small variations in Io or Vf, but otherwise identical, are listed as similar substitutes.

Parameter Comparison

Parameter	RFN5BM2SFHTL (Main)	RFN5BM2STL (Parametric Equivalent)	STTH4R02BY-TR (Similar)
Manufacturer	Rohm Semiconductor	Rohm Semiconductor	STMicroelectronics
Category	Diodes, Rectifiers	Diodes, Rectifiers	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V
Current - Average Rectified (Io)	5A	5A	4A
Voltage - Forward (Vf) (Max) @ If	980 mV @ 5 A	980 mV @ 5 A	1.05 V @ 4 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	25 ns	25 ns	30 ns
Current - Reverse Leakage @ Vr	10 µA @ 200 V	10 µA @ 200 V	3 µA @ 200 V
Automotive Grade	Yes	Not specified	Yes
Qualification	AEC-Q101	Not specified	AEC-Q101
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63	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	DPAK
Operating Temperature - Junction	150°C (Max)	150°C (Max)	-40°C ~ 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Selection among RFN5BM2SFHTL, RFN5BM2STL, and STTH4R02BY-TR should be based on the product's compliance with automotive (AEC-Q101) standards and regulatory requirements such as RoHS and REACH status. All listed options are RoHS3 compliant and REACH unaffected, with a Moisture Sensitivity Level of 1 (Unlimited). Product status for all compared items is Active.

Frequently Asked Questions (FAQ)

Q1: What are the main criteria for choosing substitute diodes in the Diodes, Rectifiers category?
A1: Substitute selection is determined by matching Voltage - DC Reverse (Vr), Current - Average Rectified (Io), Voltage - Forward (Vf), reverse recovery time (trr), mounting type, package/case, and relevant automotive and compliance qualifications.

Q2: Are all substitute parts listed automotive grade and AEC-Q101 qualified?
A2: RFN5BM2SFHTL and STTH4R02BY-TR are AEC-Q101 qualified and automotive grade. Automotive qualification specification is not listed for RFN5BM2STL.

Q3: Are package and footprint identical between RFN5BM2SFHTL and its substitutes?
A3: RFN5BM2SFHTL, RFN5BM2STL, and STTH4R02BY-TR all use TO-252-3, DPAK (2 Leads + Tab), SC-63 packages, suitable for surface mount applications.

Q4: What if the required rectified current rating (Io) differs among substitutes?
A4: RFN5BM2SFHTL and RFN5BM2STL support 5A; STTH4R02BY-TR is rated for 4A. Selection should match application requirements for average rectified current.

Q5: Are all parts RoHS and REACH compliant?
A5: All compared parts are RoHS3 compliant and REACH unaffected.

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