Diodes Incorporated DTH8L06DNC-13

Overview

DTH8L06DNC from Diodes Incorporated is an 8A, 600V hyper-fast epitaxial rectifier diode in TO252 (Type WX) package, optimized for high-frequency switching in discontinuous conduction mode (DCM) and power factor correction (PFC) circuits. It delivers 1.21V typical forward voltage at 8A, 70ns max reverse recovery time, and 8µA max leakage at 600V, enabling efficient operation in LED street lighting PFC stages and notebook PC power controllers.

For engineers reviewing the DTH8L06DNC datasheet, DTH8L06DNC pinout, DTH8L06DNC application, or DTH8L06DNC equivalent, key selection criteria include its soft hyper-fast recovery (42–70ns), low thermal resistance (5°C/W junction-to-case), RoHS- and halogen-free "Green" compliance, and suitability for high-efficiency, high-reliability AC/DC front-end rectification where fast turn-off and low conduction loss are critical.

Technical Context

This device employs an epitaxial planar structure with soft reverse recovery characteristics, minimizing EMI and voltage overshoot during commutation in high-frequency hard-switched topologies. Its 600V V_RRM rating supports universal input AC/DC designs up to 277VAC line, while the 120A non-repetitive surge capability enables robustness against inrush and transient overloads.

The TO252 (Type WX) package provides direct thermal path from die to PCB copper pour or heatsink, with verified 5°C/W R_θJC under standard fin-type heatsink conditions. Its soft recovery waveform reduces ringing in boost PFC inductors and improves system efficiency in DCM operation without requiring snubbers.

Key Specifications

Pinout & Package

Package: TO252 (Type WX), surface-mount, single-diode configuration with exposed cathode pad for thermal and electrical connection. Molded green compound, matte tin-annealed terminals, 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 VS-8EWH06FN-M3, DTH8L06DNC uniquely combines verified soft hyper-fast recovery (42–70ns), halogen/antimony-free "Green" status, and explicit DCM/PFC application validation-making it the only choice for regulated LED street lighting and eco-design-compliant notebook adapters.

Availability

DTH8L06DNC is available at Aetrix Electronics and suitable for LED street lighting PFC, notebook PC power controllers, monitor power supplies, and TV power front-end designs requiring stable component supply, long-term lifecycle support, and RoHS/halogen-free compliance.

Supply support for DTH8L06DNC 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.

This device belongs to Diodes' high-voltage rectifier product line, engineered specifically for energy-efficient, high-frequency AC/DC conversion in regulated lighting, computing, and consumer power applications demanding soft recovery and environmental compliance.

FAQ

What is the maximum junction temperature for continuous operation?

The DTH8L06DNC has an operating junction temperature range of –55°C to +150°C. For continuous 8A operation, thermal design must limit T_J to ≤150°C using the specified 5°C/W R_θJC and appropriate PCB copper area or heatsink. Derating is required above +25°C ambient per the datasheet thermal curves.

Is this diode suitable for automotive applications?

No-DTH8L06DNC is not AEC-Q101 qualified. While it meets industrial temperature and reliability requirements, Diodes explicitly states that automotive-grade versions require separate qualification (PPAP, IATF 16949, AEC-Q101). This part is intended for commercial/industrial power supplies only.

How does the soft recovery characteristic reduce EMI?

Its soft reverse recovery produces a gradual current tail instead of abrupt current collapse, suppressing high-frequency ringing on the switch node and reducing common-mode noise. Measured EMI data in Diodes' application notes shows >8dB reduction in 30–100MHz band compared to standard fast rectifiers in identical boost PFC layouts.

Can the exposed pad be left unconnected?

No-the exposed cathode pad is electrically and thermally part of the cathode terminal. Leaving it unconnected violates the TO252 (Type WX) mechanical and thermal specifications, causing immediate thermal runaway at rated current and potential solder joint failure. It must be fully soldered to a minimum 250 mm² copper area.