RR1VWM6STR Equivalent & Substitute Parts

Part Overview

The RR1VWM6STR is a general-purpose rectifier diode manufactured by Rohm Semiconductor, rated for 600 V DC reverse voltage and 1 A average rectified current in a surface mount PMDE package. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Identifying equivalent and substitute parts is necessary for legacy system maintenance, repair operations, and inventory management where continued supply of the original part number is limited or unavailable.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.2 @ 1 A	V
Speed	Standard Recovery >500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	10	µA @ 600 V
Mounting Type	Surface Mount	—
Package / Case	2-SMD, Flat Lead	—
Operating Temperature - Junction (Max)	175	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the RR1VWM6STR is determined by strict equivalence across the following electrical and mechanical parameters:

Voltage Rating: 600 V DC reverse voltage (Vr) maximum
Current Rating: 1 A average rectified current (Io)
Forward Voltage: 1.2 V maximum at 1 A forward current
Recovery Speed: Standard recovery characteristic (>500 ns, >200 mA)
Reverse Leakage: 10 µA at 600 V
Package Type: 2-SMD, Flat Lead surface mount configuration
Supplier Device Package: PMDE
Environmental Compliance: ROHS3 Compliant, MSL 1

The RR1VWM6STFTR meets all these criteria and is therefore a parametric equivalent. The primary distinction between the main part and its substitute is packaging format (Tape & Reel versus Cut Tape & Digi-Reel®) and automotive-grade qualification (AEC-Q101).

Parameter Comparison

Parameter	RR1VWM6STR	RR1VWM6STFTR	Match
Manufacturer	Rohm Semiconductor	Rohm Semiconductor	✓
Category	Diodes, Rectifiers	Diodes, Rectifiers	✓
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	✓
Current - Average Rectified (Io)	1 A	1 A	✓
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 1 A	1.2 V @ 1 A	✓
Speed	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	✓
Current - Reverse Leakage @ Vr	10 µA @ 600 V	10 µA @ 600 V	✓
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)	✓
Packaging Format	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Different
Grade	Standard	Automotive	Different
Qualification	—	AEC-Q101	Different

Engineering Selection Recommendations

RR1VWM6STR to RR1VWM6STFTR Substitution:

The RR1VWM6STFTR is a direct parametric equivalent to the RR1VWM6STR. Both parts share identical electrical specifications, thermal ratings, and package geometry. Both maintain ROHS3 compliance and unlimited moisture sensitivity classification.

The RR1VWM6STFTR carries automotive-grade qualification (AEC-Q101), which represents an enhanced reliability standard. This qualification is not a limitation but an additional assurance of quality and consistency. The part is suitable for applications previously served by the RR1VWM6STR.

The packaging difference (Tape & Reel versus Cut Tape & Digi-Reel®) affects supply chain logistics and handling but does not impact electrical or mechanical compatibility. Selection between these formats depends on procurement volume and assembly line requirements.

Both parts are classified as "Not For New Designs," reflecting their legacy status within Rohm Semiconductor's product portfolio.

Frequently Asked Questions (FAQ)

Q: Can RR1VWM6STFTR be used as a direct replacement for RR1VWM6STR?

A: Yes. The RR1VWM6STFTR is a parametric equivalent with identical voltage rating (600 V), current rating (1 A), forward voltage (1.2 V @ 1 A), recovery speed, reverse leakage, and package configuration (2-SMD, Flat Lead PMDE). Both parts are electrically and mechanically interchangeable.

Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel® packaging?

A: Tape & Reel (TR) is a continuous reel format for high-volume automated assembly. Cut Tape (CT) & Digi-Reel® is a flexible format offering smaller quantities and mixed-component orders. The physical component and its electrical properties remain identical; the difference is in supply format and handling.

Q: Does the automotive-grade qualification of RR1VWM6STFTR affect its use in non-automotive applications?

A: No. AEC-Q101 qualification indicates enhanced reliability and consistency standards. A part meeting automotive standards is suitable for any application requiring the specified electrical and thermal characteristics, regardless of industry sector.

Q: Are both parts RoHS3 compliant?

A: Yes. Both RR1VWM6STR and RR1VWM6STFTR are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity classification.

Q: Why are both parts marked "Not For New Designs"?

A: This designation indicates that both parts have reached end-of-life status within Rohm Semiconductor's active product portfolio. They remain available for legacy system support and repair but are not recommended for new product development. Equivalent alternatives from current product lines should be evaluated for new designs.

Q: What are the key parameters that must match for substitution?

A: Voltage rating (600 V), current rating (1 A), forward voltage (1.2 V @ 1 A), recovery speed (Standard >500 ns), reverse leakage (10 µA @ 600 V), package type (2-SMD, Flat Lead), and operating temperature range (175°C max junction temperature).

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