Diodes Incorporated DTH8R06D1-13

Overview

DTH8R06D1 from Diodes Incorporated is an 8A, 600V hyper-fast epitaxial rectifier diode in TO252 package, optimized for continuous conduction mode (CCM) operation in high-frequency power supplies. It delivers 2.9V forward voltage at 8A/25°C, 25ns reverse recovery time, and 30µA leakage at 600V - enabling efficient PFC stages in LED street lighting and notebook PC power controllers.

For engineers reviewing the DTH8R06D1 datasheet, DTH8R06D1 pinout, DTH8R06D1 application, or DTH8R06D1 equivalent, key selection criteria include soft-switching behavior, thermal resistance of 4°C/W (junction-to-case), avalanche energy rating of 21.7mJ, and RoHS-compliant matte tin–annealed terminals suitable for automated reflow assembly.

Technical Context

This hyper-fast rectifier employs epitaxial construction to achieve soft reverse recovery with low stored charge (QRR = 137–500nC at 125°C), minimizing EMI and switching losses in hard-commutated topologies. Its 600V VRRM rating supports universal-input PFC front-ends while maintaining robustness against line transients.

The device operates across –55°C to +150°C junction temperature range and is rated for 80A non-repetitive surge current (10ms half-sine). Thermal design leverages its low RθJC (4°C/W) when mounted on a fin-type heatsink (50.1mm × 50.2mm × 22mm), enabling compact, high-power-density layouts.

Key Specifications

Pinout & Package

Package: TO252 (Type WX), surface-mount, 3-terminal plastic molded case with exposed cathode pad for thermal enhancement. UL 94V-0 rated, moisture sensitivity level 1.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar hyper-fast rectifier applications.

Compared with STTH8R06DJF and IXYS MUR860E, DTH8R06D1 offers the fastest recovery (25ns), lowest thermal resistance (4°C/W), and surface-mount compatibility - making it optimal for space-constrained, high-frequency, thermally aggressive PFC and inverter designs.

Availability

DTH8R06D1 is available at Aetrix Electronics and suitable for LED street lighting PFC, notebook PC power controllers, monitor power supplies, and high-frequency inverters requiring stable component supply and consistent parametric performance across production lots.

Supply support for DTH8R06D1 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.

DTH8R06D1 belongs to Diodes' Hyperfast Rectifier product line, engineered specifically for high-efficiency, high-frequency power conversion in CCM-based PFC and resonant inverter topologies.

FAQ

What is the maximum junction temperature and how does it affect thermal design?

The DTH8R06D1 has a rated operating junction temperature range of –55°C to +150°C. Its 4°C/W junction-to-case thermal resistance assumes mounting on a fin-type heatsink (50.1mm × 50.2mm × 22mm). At 8A continuous current and 2.9V forward drop, power dissipation reaches ~23.2W - requiring careful heatsink sizing to maintain TJ ≤ 150°C under worst-case ambient conditions.

Is DTH8R06D1 suitable for automotive applications?

DTH8R06D1 is not AEC-Q101 qualified. While it meets industrial temperature and reliability requirements (–55°C to +150°C), Diodes Incorporated explicitly states that automotive-grade versions require separate qualification - including PPAP documentation and IATF 16949-certified manufacturing. Customers must contact Diodes directly for AEC-compliant alternatives.

How does the soft recovery characteristic improve system-level EMI performance?

Soft recovery reduces the rate of current fall (di/dt) during turn-off, suppressing high-frequency ringing caused by parasitic inductance interacting with output capacitance. Measured tRR of 25ns with controlled IRR waveform lowers peak spectral amplitude above 30MHz by up to 12dB compared to standard fast recovery diodes - easing EMC filter design and reducing common-mode noise coupling into control circuitry.

Can DTH8R06D1 replace standard FRD or UF diodes in existing designs?

Yes - as a drop-in replacement in TO252 footprint, provided layout accommodates identical pinout and thermal pad soldering. Its lower tRR and softer recovery may require minor snubber tuning to avoid overvoltage stress on adjacent switches. VF is slightly higher than some ultra-fast diodes, so conduction loss should be verified in thermally constrained applications.