Diodes Incorporated DMN6069SFGQ-7

Overview

DMN6069SFGQ-7 from Diodes Incorporated is a 60V N-channel enhancement-mode MOSFET in PowerDI3333-8 package, rated for 18A continuous drain current at TC = +25°C, with RDS(ON) of 50mΩ @ VGS = 10V and 63mΩ @ VGS = 4.5V. It delivers low conduction loss and fast switching for high-efficiency DC-DC converters in automotive and industrial power management systems.

For engineers reviewing the DMN6069SFGQ-7 datasheet, DMN6069SFGQ-7 pinout, DMN6069SFGQ-7 application, or DMN6069SFGQ-7 equivalent, key selection criteria include its AEC-Q101 qualification, thermally optimized 33% board-area reduction versus SO-8, and validated performance under pulsed avalanche (IAS = 12A, EAS = 7.2mJ) and high-temperature operation (TJ up to +150°C).

Technical Context

This MOSFET employs planar trench-gate technology to achieve balanced RDS(ON) and gate charge (Qg = 14–25nC @ VGS = 10V), enabling efficient synchronous rectification and high-frequency PWM control in buck and boost topologies. Its body diode exhibits tRR = 11–22ns and QRR = 5.1–10nC, supporting ZVS-capable designs.

The device operates across –55°C to +150°C junction temperature range and features a thermally enhanced PowerDI3333-8 package with RθJC = 5°C/W and RθJA = 53°C/W (2oz copper, thermal bias), delivering 2.4W steady-state power dissipation under optimized PCB layout.

Key Specifications

Pinout & Package

Package: PowerDI3333-8 - Thermally optimized 8-pin surface-mount package with exposed drain pad, 3.3mm × 3.3mm footprint, and 0.4mm nominal height. Features matte tin annealed terminals over copper leadframe, JEDEC-compliant moisture sensitivity level 1.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel power MOSFET applications.

Compared with DMN6069SE-7, the DMN6069SFGQ-7 offers 33% smaller footprint and 15% lower thermal resistance, making it superior for space- and thermally constrained automotive modules; versus DMN6069SFG-7, only packaging quantity differs - both share identical electrical, thermal, and reliability characteristics.

Availability

DMN6069SFGQ-7 is available at Aetrix Electronics and suitable for automotive LED drivers, industrial 48V DC-DC converters, and USB-C PD power delivery modules requiring stable component supply, AEC-Q101 compliance, and long-term lifecycle support.

Supply support for DMN6069SFGQ-7 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 semiconductor company specializing in discrete, analog, and mixed-signal devices, with design centers in Asia, Europe, and the U.S., and manufacturing in China, Taiwan, and the Philippines.

This MOSFET belongs to Diodes' PowerDI® portfolio targeting high-density, high-reliability power conversion - engineered specifically for automotive and industrial applications demanding AEC-Q101 qualification, low R_DS(ON), and thermally efficient packaging.

FAQ

What is the maximum safe operating junction temperature for DMN6069SFGQ-7?

The absolute maximum junction temperature is +150°C, verified per AEC-Q101 stress testing. Continuous operation at this limit requires strict thermal management: R_θJA must be ≤53°C/W using 2oz copper with thermal vias to bottom-layer ground plane, and ambient temperature must remain ≤75°C to maintain safety margin.

Does DMN6069SFGQ-7 support 3.3V logic-level gate drive?

Yes - with V_GS(TH) ranging from 1V to 3V and R_DS(ON) = 63mΩ at V_GS = 4.5V, the device fully enhances using standard 3.3V GPIO outputs. However, gate drive strength must deliver ≥10nC within <100ns to ensure clean switching; a 5Ω series resistor is recommended to dampen ringing.

How does the PowerDI3333-8 package improve thermal performance over SO-8?

PowerDI3333-8 reduces R_θJA from 62°C/W (SO-8, 2oz copper) to 53°C/W by integrating an exposed drain pad directly soldered to large PCB copper areas. Its 3.3mm × 3.3mm footprint also allows tighter thermal via placement, lowering effective R_θJC to 5°C/W versus 12°C/W for SO-8.

Is DMN6069SFGQ-7 suitable for linear regulator applications?

No - it is optimized for switching operation only. Linear use would exceed its 2.4W power dissipation limit at even modest V_DS × I_D products (e.g., 10V × 1A = 10W), causing immediate thermal runaway. For linear regulation, use purpose-built LDOs or bipolar pass transistors with SOA-rated safe operating area curves.