VS-45EPF06L-M3 Equivalent & Substitute Parts

Part Overview

The VS-45EPF06L-M3 is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This through-hole component operates at 600 V DC reverse voltage with an average rectified current rating of 45 A and is housed in a TO-247AD package. The device is classified as Active product status with ROHS3 compliance and REACH unaffected designation. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to inventory constraints, design flexibility, or application-specific performance needs within the allowed parameter ranges.

Substiute Parts

VS-45EPF06L-M3

Vishay General Semiconductor - Diodes DivisionIn Stock: 1088VS-45EPF06L-M3 Datasheet

Current PartRFQ

DSEP30-06A

IXYSIn Stock: 33551DSEP30-06A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the VS-45EPF06L-M3 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

• Voltage - DC Reverse (Vr) (Max): Must equal 600 V
• Package / Case: Must be TO-247-2 (TO-247AD supplier package)
• Mounting Type: Must be Through Hole
• Technology: Must be Standard
• Speed Classification: Must be Fast Recovery ≤ 500ns, > 200mA (Io)

Allowable Variation Parameters:

• Current - Average Rectified (Io): Substitute parts may operate at lower current ratings provided all other parameters remain within specification
• Voltage - Forward (Vf) (Max) @ If: Variation permitted within the fast recovery diode classification
• Reverse Recovery Time (trr): Variation permitted within fast recovery classification
• Current - Reverse Leakage @ Vr: Variation permitted within standard diode specifications
• Operating Temperature - Junction: Extended or equivalent ranges acceptable
• RoHS and REACH Status: Must maintain compliance equivalence

The DSEP30-06A from IXYS meets all critical matching parameters and is classified as a manufacturer-recommended substitute.

Parameter Comparison

Engineering Selection Recommendations

VS-45EPF06L-M3 (Primary Selection)

The VS-45EPF06L-M3 is the specified component for applications requiring 45 A average rectified current at 600 V DC reverse voltage. This part maintains Active product status with ROHS3 compliance and REACH unaffected designation. The device is suitable for general-purpose rectification in power supply and industrial applications within the -40°C to 150°C junction temperature range.

DSEP30-06A (Substitute Selection)

The DSEP30-06A from IXYS is a manufacturer-recommended substitute when the VS-45EPF06L-M3 is unavailable. This part maintains identical voltage rating (600 V) and package configuration (TO-247AD) with Active product status and equivalent compliance certifications. The DSEP30-06A operates at a reduced average rectified current of 30 A, making it suitable for applications with lower current requirements. The extended operating temperature range (-55°C to 175°C) and improved reverse recovery time (35 ns versus 180 ns) provide additional performance margin in temperature-sensitive or high-frequency switching applications. Both parts are classified as fast recovery diodes and maintain standard technology specifications.

Frequently Asked Questions (FAQ)

Q: Can the DSEP30-06A be used as a direct replacement for the VS-45EPF06L-M3?

A: The DSEP30-06A is a substitute for applications where the average rectified current requirement does not exceed 30 A. Both parts share identical voltage ratings (600 V), package configuration (TO-247AD), and mounting type (through hole). The substitute is not suitable for circuits requiring the full 45 A current capacity of the original part.

Q: What are the key differences between these two diodes?

A: The primary difference is the average rectified current rating: VS-45EPF06L-M3 is rated for 45 A while DSEP30-06A is rated for 30 A. Secondary differences include forward voltage drop (1.31 V versus 1.6 V at respective current ratings), reverse recovery time (180 ns versus 35 ns), and operating temperature range (-40°C to 150°C versus -55°C to 175°C).

Q: Are both parts RoHS compliant?

A: Yes. Both the VS-45EPF06L-M3 and DSEP30-06A are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: Can I use the DSEP30-06A in a 45 A circuit?

A: No. The DSEP30-06A is rated for a maximum average rectified current of 30 A. Using this part in a circuit designed for 45 A operation will result in device overstress and potential failure.

Q: Do both parts use the same package?

A: Yes. Both the VS-45EPF06L-M3 and DSEP30-06A use the TO-247-2 package (TO-247AD supplier package) with through-hole mounting configuration, ensuring mechanical and thermal compatibility in PCB layouts designed for either component.

Q: What is the significance of the fast recovery classification?

A: Both parts are classified as fast recovery diodes with reverse recovery time specifications within the ≤ 500 ns range for currents greater than 200 mA. This classification indicates suitability for high-frequency switching applications and power supply circuits where switching speed is critical.

Q: Which part has better thermal performance?

A: The DSEP30-06A offers an extended maximum junction temperature rating of 175°C compared to 150°C for the VS-45EPF06L-M3. Additionally, the DSEP30-06A exhibits a significantly lower reverse recovery time (35 ns versus 180 ns), which reduces switching losses and heat generation in high-frequency applications.