Diodes Incorporated DF06S-T

Overview

DF06S-T from Diodes Incorporated is a 1.0A surface-mount standard recovery bridge rectifier with 600V peak repetitive reverse voltage, 1.1V max forward voltage at 1.0A, and 10µA max reverse leakage at 25°C. It features glass-passivated die construction, 50A surge capability, and UL recognition (E364304), designed for AC/DC front-end conversion in compact power supplies.

For engineers reviewing the DF06S-T datasheet, DF06S-T pinout, DF06S-T application, or DF06S-T equivalent, key selection criteria include its 600V VRRM rating, thermal resistance of 40°C/W, surface-mount DF-S package compatibility, and suitability for industrial and consumer offline power supplies requiring reliable full-wave rectification.

Technical Context

This single-phase, full-wave bridge rectifier integrates four silicon diodes in a monolithic DF-S package, configured for standard recovery operation with typical junction-to-ambient thermal resistance of 40°C/W on a 5.0mm² copper pad. Its 1.1V forward drop at 1.0A enables efficient low-power AC/DC conversion without forced cooling.

The device supports non-repetitive 50A surge current (8.3ms half-sine) and exhibits 25pF typical capacitance per element at 1MHz/4V reverse bias-critical for EMI filtering design and high-frequency ripple suppression in switching power supply inputs.

Key Specifications

Pinout & Package

Package: DF-S, surface-mount molded plastic (UL 94V-0), 7.4–7.9mm × 6.2–6.5mm footprint, 0.22–0.30mm thickness, 0.38g weight, tin-plated terminals solderable per MIL-STD-202 Method 208.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar bridge rectifier applications.

Compared with GBU6K and MB6S, DF06S-T offers optimal balance of SMT compatibility, UL recognition, and Green compliance-making it preferred for new industrial and consumer designs where board space, safety certification, and environmental compliance are jointly critical.

Availability

DF06S-T is available at Aetrix Electronics and suitable for industrial power supplies, consumer AC/DC adapters, and LED driver front-ends requiring stable component supply, consistent parametric performance, and long-term manufacturability assurance.

Supply support for DF06S-T 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, specializing in high-reliability power management, signal integrity, and protection solutions for industrial, computing, and consumer markets.

The DF-S bridge rectifier product line targets cost-sensitive, high-volume AC/DC conversion applications where surface-mount integration, safety certification, and environmental compliance are essential design requirements.

FAQ

What is the maximum allowable ambient temperature for continuous 1.0A operation?

At TA = +40°C, DF06S-T supports full 1.0A average forward current. Derating begins above +40°C per Fig. 1: at +85°C ambient, maximum IO drops to ~0.6A. This reflects its 40°C/W RθJA and 150°C max junction temperature-designers must verify PCB copper area and airflow to maintain TJ ≤ 150°C.

Is DF06S-T qualified for automotive applications?

DF06S-T is not AEC-Q101 qualified. While it operates from -55°C to +150°C and meets RoHS/Green requirements, Diodes specifies that automotive-grade variants require explicit AEC-Q101 qualification, PPAP capability, and IATF 16949 manufacturing-customers needing automotive use must contact Diodes directly for qualified alternatives like the ABS210Q series.

How does the DF-S package compare to GBPC or GBU packages in thermal performance?

DF-S has RθJA = 40°C/W on a 5.0mm² pad, outperforming GBU6K's 50°C/W. However, GBPC packages (e.g., GBPC3506) offer lower RθJA (~20°C/W) due to larger metal baseplates-but require through-hole mounting and more board space. DF-S trades absolute thermal performance for SMT scalability and density.

Can DF06S-T be used in capacitive-input filter configurations?

Yes, but with 20% current derating per datasheet guidance. In capacitive-input designs, peak diode current rises significantly-DF06S-T's 50A IFSM rating accommodates this, though designers must verify RMS current and thermal rise using Fig. 1 and actual waveform measurements to avoid exceeding 1.0A average rating.