RFN2VWM2STFTR Equivalent & Substitute Parts

Part Overview

The RFN2VWM2STFTR is a general-purpose rectifier diode manufactured by Rohm Semiconductor, rated for 200 V DC reverse voltage and 2 A average rectified current. This surface-mount component operates with fast recovery characteristics and is designed for standard rectification applications requiring reliable performance in the 200 V class. The part is currently active in production and widely available in inventory. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to supply constraints, design flexibility, or inventory optimization.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	990 mV @ 2 A	mV
Reverse Recovery Time (trr)	25	ns
Current - Reverse Leakage @ Vr	1	µA @ 200 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Mounting Type	Surface Mount	—
Package / Case	2-SMD, Flat Lead	—
Supplier Device Package	PMDE	—
Operating Temperature - Junction (Max)	175	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the RFN2VWM2STFTR are identified based on strict electrical and mechanical parameter equivalence. The substitution criteria are:

Electrical Parameters (Must Match):

Voltage - DC Reverse (Vr) (Max): 200 V
Current - Average Rectified (Io): 2 A
Voltage - Forward (Vf) (Max) @ If: 990 mV @ 2 A
Reverse Recovery Time (trr): 25 ns
Current - Reverse Leakage @ Vr: 1 µA @ 200 V
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)

Mechanical Parameters (Must Match):

Mounting Type: Surface Mount
Package / Case: 2-SMD, Flat Lead
Supplier Device Package: PMDE

Compliance Parameters (Must Match):

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Parts meeting all these criteria are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Parameter	RFN2VWM2STFTR	RFN2VWM2STR	Match
Manufacturer	Rohm Semiconductor	Rohm Semiconductor	✓
Category	Diodes, Rectifiers	Diodes, Rectifiers	✓
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	✓
Current - Average Rectified (Io)	2 A	2 A	✓
Voltage - Forward (Vf) (Max) @ If	990 mV @ 2 A	990 mV @ 2 A	✓
Reverse Recovery Time (trr)	25 ns	25 ns	✓
Current - Reverse Leakage @ Vr	1 µA @ 200 V	1 µA @ 200 V	✓
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	✓
Mounting Type	Surface Mount	Surface Mount	✓
Package / Case	2-SMD, Flat Lead	2-SMD, Flat Lead	✓
Supplier Device Package	PMDE	PMDE	✓
Operating Temperature - Junction (Max)	175°C	175°C	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	✓
Product Status	Active	Active	✓

Engineering Selection Recommendations

Both the RFN2VWM2STFTR and RFN2VWM2STR are active production parts from Rohm Semiconductor with identical electrical and mechanical specifications. Selection between these parts is based on packaging format and inventory availability:

RFN2VWM2STFTR is supplied in Tape & Reel (TR) format with 990 pieces currently in stock. This packaging is suitable for automated assembly processes and high-volume production environments.

RFN2VWM2STR is supplied in Tape & Reel (TR) format with 3034 pieces currently in stock. This part offers greater inventory availability for the same electrical and mechanical performance.

Both parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating, indicating no special storage or handling requirements. The selection between these two parts does not affect circuit performance, thermal characteristics, or reliability, as all critical parameters are identical.

Frequently Asked Questions (FAQ)

Q: Can RFN2VWM2STR be used as a direct replacement for RFN2VWM2STFTR?

A: Yes. Both parts are parametric equivalents with identical voltage ratings (200 V), current ratings (2 A), forward voltage drop (990 mV @ 2 A), reverse recovery time (25 ns), and reverse leakage current (1 µA @ 200 V). Both use the same 2-SMD, Flat Lead PMDE package and are surface-mount components. All electrical and mechanical specifications match exactly.

Q: What is the difference between RFN2VWM2STFTR and RFN2VWM2STR?

A: Both parts are identical in electrical performance and mechanical specifications. The difference lies in inventory availability: RFN2VWM2STFTR has 990 pieces in stock, while RFN2VWM2STR has 3034 pieces in stock. Both are supplied in Tape & Reel (TR) packaging format.

Q: Are there any compliance or regulatory differences between these parts?

A: No. Both parts carry identical compliance certifications: ROHS3 compliant, REACH unaffected, and MSL 1 (Unlimited). Both are rated for the same maximum junction temperature of 175°C.

Q: Can these diodes be used interchangeably in PCB assembly?

A: Yes. Both parts use the same PMDE surface-mount package with 2-SMD, Flat Lead configuration. They are footprint-compatible and can be used interchangeably in automated pick-and-place assembly without design modifications.

Q: What applications are these diodes suitable for?

A: These are general-purpose rectifier diodes rated for 200 V DC reverse voltage and 2 A average rectified current with fast recovery characteristics. They are suitable for standard rectification applications within these electrical specifications.

Q: Is there a performance difference in reverse recovery time between these parts?

A: No. Both parts have identical reverse recovery time (trr) of 25 ns and are classified as fast recovery diodes with speed ≤ 500ns for currents > 200mA.

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