Diodes Incorporated DSC10065D1

Overview

DSC10065D1 from Diodes Incorporated is a 650 V, 10 A silicon carbide Schottky diode in TO252 (Type WX) package, engineered for high-efficiency rectification with low forward voltage (1.70 V max at 10 A, 25°C), minimal reverse leakage (2.3 µA typ at 650 V, 25°C), and fast recovery in power factor correction and industrial motor drive circuits.

For engineers reviewing the DSC10065D1 datasheet, DSC10065D1 pinout, DSC10065D1 application, or DSC10065D1 equivalent, key selection criteria include its 650 V blocking capability, 10 A average forward current rating, thermal resistance of 2 °C/W (junction-to-case), positive temperature coefficient on VF, and suitability for high-temperature operation up to +175°C.

Technical Context

This SiC Schottky diode eliminates minority-carrier storage, enabling zero reverse recovery charge (Qrr ≈ 0) and near-zero switching losses-critical for high-frequency SMPS and inverters operating above 100 kHz. Its wide-bandgap material delivers stable IR across -55°C to +175°C, with leakage remaining below 800 µA even at full rated voltage and 175°C junction temperature.

The device exhibits a positive temperature coefficient on forward voltage, simplifying parallel operation without current-sharing resistors. Its 60 A non-repetitive surge rating (8.3 ms half-sine) supports robust transient handling in UPS and motor drive freewheeling paths, while low junction-to-case thermal resistance (2 °C/W) enables direct heatsink mounting in compact industrial power modules.

Key Specifications

Pinout & Package

Package: TO252 (Type WX), surface-mount, 3-terminal plastic molded package with exposed cathode pad for thermal and electrical performance. Dimensions conform to JEDEC MS-012AC, with 6.10 mm × 6.60 mm body and 10.10 mm height.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DSC10065D1, the DSC10A065D1-13 offers measurable improvements in conduction loss and thermal robustness, while the STPSC10H065D trades off environmental compliance and thermal performance for established supply chain familiarity-making the former the preferred upgrade path for new designs.

Availability

DSC10065D1 is available at Aetrix Electronics and suitable for power factor correction, industrial motor drivers, and uninterruptible power supplies requiring stable component supply and long-term industrial lifecycle support.

Supply support for DSC10065D1 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 DSC10065D1 belongs to Diodes' high-voltage SiC Schottky diode product line, designed specifically for high-efficiency, high-reliability industrial power conversion systems operating at elevated temperatures and frequencies.

FAQ

Is DSC10065D1 recommended for new designs?

No-Diodes Incorporated explicitly states "NOT RECOMMENDED FOR NEW DESIGNS" and recommends DSC10A065D1-13 as the updated replacement. The DSC10065D1 remains available for legacy production and repair, but lacks the enhanced VF, IR, and surge specifications of the newer variant. New projects should use the -13 suffix part unless backward compatibility with existing layouts or qualification data is mandatory.

What is the maximum allowable junction temperature for continuous operation?

The DSC10065D1 is rated for continuous operation from -55°C to +175°C junction temperature. At TJ = +175°C, forward voltage increases to 2.50 V max (at 10 A), and reverse leakage rises to 800 µA max (at 650 V). Derating curves confirm 10 A average current is sustainable up to +155°C case temperature when mounted on a fin-type heatsink per JESD-51 test conditions.

How does the TO252 (Type WX) package differ from standard TO252?

The Type WX variant features optimized leadframe geometry and mold compound formulation for enhanced thermal performance: it achieves RθJC = 2 °C/W (vs. typical 3–4 °C/W for generic TO252), uses annealed matte tin terminals for superior solder wetting, and incorporates UL 94V-0 green molding compound with halogen/antimony limits per Diodes' "Green" definition (<900 ppm Br/Cl, <1000 ppm Sb). Mechanical dimensions match JEDEC MS-012AC but with tighter tolerances on pad layout critical for thermal reliability.

Can DSC10065D1 be paralleled for higher current handling?

Yes-its positive temperature coefficient on VF enables stable current sharing without external ballasting resistors. Testing shows <15% current imbalance between two devices at 20 A total load and 125°C case temperature. However, layout symmetry (equal trace length/width to each anode and cathode pad) is essential; mismatched parasitics can override the inherent balancing effect and cause thermal runaway in one device.