Diodes Incorporated DSC06C065FP

Overview

DSC06C065FP from Diodes Incorporated is a silicon carbide Schottky diode rated for 650 V peak repetitive reverse voltage, 6 A average rectified output current, and 1.7 V maximum forward voltage at +25°C with 6 A forward current. It serves as a high-efficiency unidirectional power switch in high-frequency switching converters, delivering low conduction loss and stable reverse leakage up to +175°C junction temperature.

For engineers reviewing the DSC06C065FP datasheet, DSC06C065FP pinout, DSC06C065FP application, or DSC06C065FP equivalent, key selection criteria include its 650 V blocking capability, 29 A non-repetitive surge rating, positive temperature coefficient of VF, fast reverse recovery, and thermal resistance of 6 °C/W (junction-to-case) - all critical for PFC, motor drive, and UPS designs operating under high-temperature, high-reliability constraints.

Technical Context

This SiC Schottky diode replaces conventional silicon fast recovery diodes in high-frequency, high-efficiency AC/DC and DC/DC conversion stages. Its zero reverse recovery charge (Q_C = 17 nC) eliminates switching tail current and associated losses, while its 4.5 µA typical reverse leakage at 650 V and +25°C ensures minimal standby power loss.

The device operates across –55°C to +175°C junction temperature range and maintains stable VF with increasing temperature due to its positive TC, enabling predictable thermal management in compact heatsinked layouts. Its ITO220AC (Type WX) package supports direct mounting to heatsinks with low R_θJC = 6 °C/W, making it suitable for thermally constrained industrial inverters and server SMPS.

Key Specifications

Pinout & Package

Supplied in the industry-standard ITO220AC (Type WX) package - a 3-terminal, through-hole molded plastic case with matte tin-plated copper leadframe, UL 94V-0 rated, and RoHS-compliant. Weight: 1.497 g.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar SiC Schottky diode applications.

Compared with C4D06120A and SCT2060CR, DSC06C065FP delivers optimal balance of 650 V rating, 1.7 V V_F, 4.5 µA leakage at 25°C, and proven 175°C operation - making it the most cost-effective and thermally robust choice for industrial PFC and motor drive rectification.

Availability

DSC06C065FP is available at Aetrix Electronics and suitable for power factor correction, industrial motor drivers, and uninterruptible power supplies requiring stable component supply, long-term lifecycle support, and traceable sourcing from authorized channels.

Supply support for DSC06C065FP includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.

The DSC series targets high-efficiency power conversion in industrial, computing, and renewable energy systems, emphasizing rugged SiC Schottky performance, thermal reliability, and compliance with green manufacturing standards.

FAQ

Is DSC06C065FP suitable for automotive applications?

No - DSC06C065FP is not AEC-Q101 qualified. While it operates from –55°C to +175°C and meets RoHS/Green requirements, Diodes explicitly states that automotive-grade versions require separate qualification, PPAP capability, and IATF 16949 manufacturing. For automotive use, contact Diodes' automotive team for qualified alternatives like the DSC06C065QFP.

What is the recommended heatsink mounting method for ITO220AC (Type WX)?

Mount the cathode-connected heatsink tab using thermal interface material (TIM) and mechanical fasteners. Electrical isolation is required unless the cathode is at chassis ground potential. Use M3 screws with torque ≤0.5 N·m; avoid over-tightening to prevent package cracking. The tab's flat surface ensures uniform thermal contact with heatsink base plates ≥15 mm × 36 mm.

How does DSC06C065FP's VF temperature coefficient affect parallel operation?

Its positive VF temperature coefficient ensures self-balancing current distribution among paralleled units: as one device heats up, its VF increases, reducing its share of total current. This eliminates need for external current-sharing resistors and improves system reliability - confirmed by Diodes' application note AN-4001 for multi-die SiC diode arrays.

Can DSC06C065FP replace a silicon fast recovery diode in an existing 650 V design?

Yes - with layout review. Its zero Q_RR eliminates snubber networks, but parasitic inductance in the cathode loop becomes critical. Reduce trace length between cathode and output capacitor; verify EMI with near-field probes. Also confirm gate drive strength is sufficient to handle faster voltage transients induced by SiC's rapid switching edge.