STPSC10H065DLF Equivalent & Substitute Parts

Part Overview

The STPSC10H065DLF is a Silicon Carbide (SiC) Schottky diode manufactured by STMicroelectronics, rated for 650 V DC reverse voltage with 10 A average rectified current. This component is packaged in a Surface Mount PowerFlat™ (8x8) configuration and is classified as Active product status. The diode exhibits zero reverse recovery time and is suitable for high-voltage rectification applications requiring fast switching characteristics inherent to SiC technology.

Equivalent and substitute parts are identified when alternative components meet or exceed the electrical specifications and comply with the same environmental and regulatory standards. Substitutes may offer enhanced performance characteristics such as higher current ratings or improved thermal performance while maintaining compatibility with the original design parameters.

Substiute Parts

STPSC10H065DLF

STMicroelectronicsIn Stock: 1174STPSC10H065DLF Datasheet

Current PartRFQ

S3D10065L

SMC Diode SolutionsIn Stock: 4210S3D10065L Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the STPSC10H065DLF is determined by the following critical electrical and mechanical parameters:

Mandatory Matching Parameters:

• Voltage - DC Reverse (Vr) (Max): 650 V minimum
• Technology: SiC (Silicon Carbide) Schottky
• Reverse Recovery Time (trr): 0 ns (no recovery time)
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant

Allowable Variation Parameters:

• Current - Average Rectified (Io): Equal to or greater than 10 A
• Voltage - Forward (Vf) (Max): Equal to or less than 1.55 V @ 10 A
• Current - Reverse Leakage @ Vr: Equal to or less than 100 µA @ 650 V
• Operating Temperature - Junction: Range must encompass or exceed -40°C to 175°C
• Moisture Sensitivity Level (MSL): 1 (Unlimited) or equivalent

The substitute part S3D10065L meets all mandatory matching parameters and provides enhanced current rating (31 A versus 10 A), lower reverse leakage current (40 µA versus 100 µA), and extended lower operating temperature limit (-55°C versus -40°C).

Parameter Comparison

Engineering Selection Recommendations

The S3D10065L qualifies as a direct substitute for the STPSC10H065DLF based on the following engineering criteria:

Electrical Compatibility: Both components share identical 650 V DC reverse voltage rating and zero reverse recovery time characteristic of SiC Schottky technology. The substitute part exceeds the current rating requirement (31 A versus 10 A), providing design margin for thermal and electrical stress. Forward voltage at 10 A operation is 1.7 V for the substitute versus 1.55 V for the original, representing a 0.15 V increase that remains within acceptable tolerance for most rectification applications.

Regulatory and Environmental Compliance: Both parts maintain ROHS3 compliance and REACH Unaffected status, satisfying regulatory requirements for commercial and industrial applications. Moisture Sensitivity Level 1 (Unlimited) classification on both components indicates no moisture-related handling restrictions during assembly and storage.

Thermal Performance: The substitute part extends the lower operating temperature limit to -55°C, providing enhanced performance in cold-environment applications while maintaining the same 175°C upper junction temperature limit.

Package Considerations: The original part uses PowerFlat™ (8x8) HV packaging (8-PowerVDFN), while the substitute uses 5-DFN (8x8) packaging. Both are Surface Mount configurations with identical external dimensions (8x8 mm), ensuring PCB footprint compatibility. Physical package differences require verification of internal lead frame and thermal pad configurations for specific thermal management requirements.

Frequently Asked Questions (FAQ)

Q: Can the S3D10065L be used as a direct replacement for the STPSC10H065DLF in existing designs?

A: The S3D10065L meets all mandatory electrical specifications for substitution, including 650 V reverse voltage rating, SiC Schottky technology, and zero reverse recovery time. Both components are Surface Mount with identical 8x8 mm external dimensions. PCB footprint compatibility is confirmed for standard surface mount assembly. However, internal thermal pad and lead frame geometry differences between PowerFlat™ (8x8) HV and 5-DFN (8x8) packages require evaluation of thermal performance in the specific application circuit.

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

A: The primary electrical differences are: (1) Current rating: S3D10065L is rated for 31 A versus 10 A for the STPSC10H065DLF, providing 3.1× current capacity; (2) Forward voltage: S3D10065L exhibits 1.7 V @ 10 A versus 1.55 V @ 10 A, a 0.15 V increase; (3) Reverse leakage: S3D10065L demonstrates 40 µA @ 650 V versus 100 µA @ 650 V, representing 60% lower leakage current; (4) Operating temperature range: S3D10065L extends to -55°C minimum versus -40°C for the original part.

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

A: Both components are ROHS3 compliant and REACH Unaffected, with identical Moisture Sensitivity Level 1 (Unlimited) classification. No regulatory or compliance barriers exist for substitution from an environmental or hazardous substance perspective.

Q: How do the package differences affect circuit design?

A: Both parts use Surface Mount technology with identical 8x8 mm external dimensions, ensuring PCB footprint compatibility. The original STPSC10H065DLF uses PowerFlat™ (8x8) HV packaging, while the S3D10065L uses 5-DFN (8x8) packaging. Internal lead frame and thermal pad configurations differ between these package types. Thermal performance characteristics, particularly heat dissipation efficiency, may vary depending on the specific thermal pad design and internal construction. Circuit designers must evaluate thermal management requirements for the intended application.

Q: What is the significance of the zero reverse recovery time specification?

A: Zero reverse recovery time (trr = 0 ns) is characteristic of SiC Schottky diodes and indicates the absence of stored charge recovery delay during switching transitions. Both the STPSC10H065DLF and S3D10065L exhibit this property, enabling fast switching operation essential for high-frequency rectification and power conversion applications. This specification is identical between the original and substitute parts.

Q: Can the higher current rating of the S3D10065L cause any design issues?

A: The higher current rating (31 A versus 10 A) of the S3D10065L provides design margin and does not introduce compatibility issues when used in circuits designed for the 10 A STPSC10H065DLF. The substitute part will operate at lower stress levels in the same circuit, potentially improving reliability and thermal performance. No adverse effects result from using a higher-rated component in a lower-current application.