Diodes Incorporated DSC06065D1

Overview

DSC06065D1 from Diodes Incorporated is a 650 V, 6 A silicon carbide Schottky diode in TO252 (Type WX) package, optimized for high-efficiency rectification with low forward voltage (1.7 V max @ 6 A, 25°C), ultra-low reverse leakage (0.68 µA @ 650 V, 25°C), and fast recovery. It serves as a freewheel or blocking diode in industrial motor drivers, power inverters, and PFC stages where thermal stability and switching loss reduction are critical.

For engineers reviewing the DSC06065D1 datasheet, DSC06065D1 pinout, DSC06065D1 application, or DSC06065D1 equivalent, key selection criteria include its 650 V blocking rating, 36 A non-repetitive surge capability, positive temperature coefficient on VF, junction-to-case thermal resistance of 5 °C/W, and suitability for high-temperature operation up to +175°C.

Technical Context

This SiC Schottky diode replaces conventional silicon fast recovery diodes in high-frequency, high-efficiency power conversion topologies. Its zero reverse recovery charge (Q_C = 15 nC) eliminates switching losses associated with minority-carrier storage, enabling higher switching frequencies without efficiency penalty.

The device exhibits stable reverse leakage across temperature (0.68 µA @ 25°C → 640 µA @ 175°C) and a positive VF temperature coefficient-critical for parallel operation reliability. Its TO252 (Type WX) package provides low thermal resistance (R_θJC = 5 °C/W) and robust mechanical mounting for industrial-grade thermal cycling.

Key Specifications

Pinout & Package

Package: TO252 (Type WX), surface-mount, 3-terminal plastic molded package with exposed copper drain pad for thermal and electrical connection. Dimensions per Diodes Inc. outline DS44282 Rev. 4–3, including 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 SiC Schottky diode applications.

Compared with DSC06065D1, the DSC06A065D1-13 offers measurable improvements in conduction loss and thermal performance without changing footprint, while the STPSC6H065D trades SMT compatibility for slightly better thermal resistance in legacy through-hole systems.

Availability

DSC06065D1 is available at Aetrix Electronics and suitable for power factor correction, industrial motor drivers, and uninterruptible power supplies requiring stable component supply and proven high-temperature reliability.

Supply support for DSC06065D1 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 the Americas.

The DSC06065D1 belongs to Diodes' high-voltage SiC Schottky diode product line, engineered specifically for high-efficiency, high-temperature power conversion in industrial, renewable energy, and computing infrastructure applications.

FAQ

Is DSC06065D1 qualified for automotive applications?

No. DSC06065D1 is not AEC-Q101 qualified and is not intended for automotive use. Diodes explicitly states that automotive-grade variants require specific change control, PPAP capability, and IATF 16949 manufacturing-none of which apply to this part. For automotive designs, contact Diodes directly for qualified alternatives such as the DSC06A065D1Q-13.

What is the maximum operating junction temperature?

The DSC06065D1 has an operating junction temperature range of –55°C to +175°C. This is confirmed in the Absolute Maximum Ratings table (T_J = –55 to +175°C) and supported by thermal characterization data showing stable VF and IR behavior up to 175°C.

Can DSC06065D1 be used in parallel configurations?

Yes-its positive temperature coefficient on forward voltage enables inherent current sharing between paralleled units without external ballasting resistors. However, matched layout symmetry (equal trace length/impedance) and shared thermal coupling are required to ensure balanced thermal rise and current distribution.

Why is DSC06065D1 marked "not recommended for new designs"?

Diodes Incorporated issued this notice because the DSC06A065D1-13 offers improved specifications-including lower VF (1.55 V vs. 1.7 V) and reduced R_θJC (4.5 °C/W vs. 5.0 °C/W)-while maintaining identical TO252 (WX) packaging and pinout. The newer variant delivers higher efficiency and better thermal performance with no redesign effort.