WNSC08650T6J Equivalent & Substitute Parts

Part Overview

The WNSC08650T6J is a silicon carbide Schottky diode rated for 650 V DC reverse voltage with 8 A average rectified current in a 5-DFN (8x8) surface mount package. This component is classified as obsolete, necessitating identification of active equivalent parts for new designs and ongoing production requirements. The diode is designed for high-efficiency rectification applications requiring low forward voltage drop and zero reverse recovery time characteristics inherent to silicon carbide technology.

Substiute Parts

WNSC08650T6J

WeEn SemiconductorsIn Stock: 894WNSC08650T6J Datasheet

Current PartRFQ

WNSC5D08650T6J

WeEn SemiconductorsIn Stock: 786WNSC5D08650T6J Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete WNSC08650T6J is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

• Voltage rating: 650 V DC reverse voltage (Vr)
• Current rating: 8 A average rectified current (Io)
• Forward voltage: 1.7 V maximum at 8 A forward current
• Reverse recovery time: 0 ns (SiC Schottky characteristic)
• Technology: SiC (Silicon Carbide) Schottky diode

Mechanical & Package Specifications:

• Package type: 5-DFN (8x8) surface mount
• Mounting: Surface mount configuration
• Thermal rating: 175°C maximum junction temperature

Compliance & Handling:

• Moisture Sensitivity Level: 1 (Unlimited)
• ECCN classification: EAR99
• HTSUS code: 8541.10.0080

The substitute part WNSC5D08650T6J maintains identical electrical and mechanical specifications while offering active product status and improved reverse leakage characteristics.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: WNSC5D08650T6J

The WNSC5D08650T6J is the direct equivalent for the obsolete WNSC08650T6J. This substitute part is manufactured by WeEn Semiconductors and maintains full electrical and mechanical compatibility across all critical parameters including voltage rating, current capacity, forward voltage characteristics, and package configuration.

Advantages of the Substitute:

The WNSC5D08650T6J offers active product status, ensuring long-term availability and supply chain continuity. The substitute demonstrates improved reverse leakage performance at 40 µA compared to 50 µA in the original part, representing a 20% reduction in leakage current. The substitute also specifies an extended operating temperature range of -55°C to 175°C, providing broader thermal operating margins compared to the main part's 175°C maximum specification.

Compliance & Certification:

Both parts share identical ECCN (EAR99) and HTSUS (8541.10.0080) classifications, ensuring equivalent regulatory and trade compliance. Moisture sensitivity level remains at MSL 1 (Unlimited) for both parts, indicating no special moisture handling requirements during storage or assembly.

Application Continuity:

Direct substitution is supported for all applications utilizing the WNSC08650T6J. No circuit modifications, thermal management adjustments, or PCB layout changes are required. The identical 5-DFN (8x8) surface mount package ensures footprint compatibility with existing designs.

Frequently Asked Questions (FAQ)

Q: Can WNSC5D08650T6J be used as a direct replacement for WNSC08650T6J in existing designs?

A: Yes. The WNSC5D08650T6J is a direct equivalent with identical electrical ratings (650 V, 8 A), forward voltage characteristics (1.7 V @ 8 A), and package configuration (5-DFN 8x8). No design modifications are required.

Q: What is the difference between the main part and the substitute?

A: The primary differences are product status and performance characteristics. The WNSC5D08650T6J is active (versus obsolete), features lower reverse leakage current (40 µA versus 50 µA at 650 V), and specifies an extended operating temperature range (-55°C to 175°C versus 175°C maximum). All electrical and mechanical specifications remain identical.

Q: Are the packages physically identical?

A: Yes. Both parts use the 5-DFN (8x8) surface mount package with 4-VSFN exposed pad configuration. PCB footprints, solder pad layouts, and component placement are identical.

Q: Does the substitute part have the same moisture sensitivity requirements?

A: Yes. Both parts are classified as MSL 1 (Unlimited), indicating no special moisture handling, baking, or storage requirements during manufacturing and assembly.

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

A: No. Both parts share identical ECCN (EAR99) and HTSUS (8541.10.0080) classifications, ensuring equivalent export control and tariff compliance.

Q: Why is the main part listed as obsolete?

A: The WNSC08650T6J has been discontinued by the manufacturer. The WNSC5D08650T6J represents the active successor product with equivalent specifications and improved performance characteristics.

Q: Can the substitute handle the same thermal conditions as the original part?

A: Yes. The substitute specifies a maximum junction temperature of 175°C, matching the original part's thermal rating. The extended operating range (-55°C to 175°C) provides additional low-temperature capability.

Q: Is the forward voltage drop identical between the two parts?

A: Yes. Both parts specify 1.7 V maximum forward voltage at 8 A forward current, ensuring identical power dissipation and thermal performance in rectification applications.