RS3D-M3/57T Equivalent & Substitute Parts

Part Overview

The RS3D-M3/57T is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount diode operates at 200 V DC reverse voltage with a 3 A average rectified current rating and is packaged in the DO-214AB (SMC) form factor. The device is classified as a fast recovery diode with a reverse recovery time of 150 ns, suitable for standard rectification applications requiring moderate voltage and current handling.

The RS3D-M3/57T maintains Active product status and is ROHS3 compliant. Identifying equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain performance consistency across manufacturing batches and procurement cycles.

Substiute Parts

RS3D-M3/57T

Vishay General Semiconductor - Diodes DivisionIn Stock: 888RS3D-M3/57T Datasheet

Current PartRFQ

RS3D-E3/57T

Vishay General Semiconductor - Diodes DivisionIn Stock: 15280RS3D-E3/57T Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RS3D-M3/57T are identified based on electrical and mechanical parameter equivalence. The substitution logic is based on the following critical parameters:

Electrical Parameters:

• Voltage - DC Reverse (Vr) (Max): 200 V
• Current - Average Rectified (Io): 3 A
• Voltage - Forward (Vf) (Max) @ If: 1.3 V @ 2.5 A
• Reverse Recovery Time (trr): 150 ns
• Current - Reverse Leakage @ Vr: 10 µA @ 200 V
• Capacitance @ Vr, F: 44 pF @ 4 V, 1 MHz

Mechanical Parameters:

• Package / Case: DO-214AB (SMC)
• Mounting Type: Surface Mount
• Operating Temperature - Junction: -55°C to 150°C

Parts meeting all specified electrical and mechanical parameters are classified as parametric equivalents and direct substitutes. The RS3D-M3/57T shares identical electrical specifications and mechanical packaging with its substitute, ensuring pin-compatible and functionally equivalent operation in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

The RS3D-E3/57T is a direct parametric equivalent to the RS3D-M3/57T. Both devices are manufactured by Vishay General Semiconductor - Diodes Division and share identical electrical specifications, mechanical packaging, and compliance certifications.

Selection Basis:

Both parts maintain Active product status and are ROHS3 compliant with REACH Unaffected designation. The RS3D-E3/57T offers significantly higher inventory availability (15,200 pcs) compared to the RS3D-M3/57T (778 pcs), making it suitable for high-volume production requirements and extended supply chain planning.

The RS3D-E3/57T is suitable for direct substitution in all applications where the RS3D-M3/57T is specified, provided that circuit design and thermal management accommodate the operating temperature range of -55°C to 150°C at the junction.

Frequently Asked Questions (FAQ)

Q: Can the RS3D-E3/57T replace the RS3D-M3/57T in existing designs?

A: Yes. The RS3D-E3/57T is a parametric equivalent with identical electrical specifications, forward voltage characteristics, reverse recovery time, leakage current, and capacitance. Both devices use the DO-214AB (SMC) surface mount package and operate across the same temperature range. Direct substitution is supported without circuit modification.

Q: Are there differences in package dimensions or pin configuration between these parts?

A: No. Both the RS3D-M3/57T and RS3D-E3/57T use the DO-214AB (SMC) package with identical mechanical specifications and surface mount footprint. PCB layout and assembly processes require no changes.

Q: What is the significance of the part number suffix (M3 vs. E3)?

A: The suffix designates the tape and reel configuration and manufacturing batch code. The electrical and mechanical specifications remain identical. The suffix does not affect functional performance or compatibility.

Q: Are both parts compliant with environmental and regulatory standards?

A: Yes. Both the RS3D-M3/57T and RS3D-E3/57T are ROHS3 compliant, REACH Unaffected, and classified under ECCN EAR99. Both carry Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling requirements during storage or assembly.

Q: Which part should be selected for new designs?

A: The RS3D-E3/57T is recommended for new designs due to superior inventory availability and equivalent performance. Both parts are Active and suitable for production use. Selection should be based on supply chain requirements and procurement lead times.

Q: What is the reverse recovery time specification, and why is it important?

A: The reverse recovery time (trr) is 150 ns for both parts. This parameter defines the time required for the diode to transition from forward conduction to reverse blocking when the applied voltage reverses. Fast recovery diodes with trr ≤ 500 ns are suitable for switching power supplies and high-frequency rectification circuits.

Q: Can these diodes be used in high-temperature applications?

A: Both parts are rated for junction temperatures up to 150°C. Thermal design must ensure that the junction temperature remains within this limit under maximum operating conditions. Adequate PCB copper area and thermal vias are required for heat dissipation in high-current applications.