Diodes Incorporated DMNH4004SPS-13

Overview

DMNH4004SPS from Diodes Incorporated is a 40V N-channel enhancement-mode MOSFET in PowerDI5060-8 package, rated for 100A continuous drain current at TC = +25°C, with RDS(ON) of 3.3mΩ (typ) at VGS = 10V and 50A, operating up to +175°C junction temperature. It serves as a high-current synchronous rectifier or main switch in automotive power conversion stages.

For engineers reviewing the DMNH4004SPS datasheet, DMNH4004SPS pinout, DMNH4004SPS application, or DMNH4004SPS equivalent, key selection criteria include its low RDS(ON), 400A pulsed drain capability, 1.2°C/W junction-to-case thermal resistance, and validated UIS ruggedness for inductive load switching in engine control units.

Technical Context

This MOSFET employs trench-gate silicon technology optimized for conduction loss minimization while retaining fast switching performance. Its gate charge profile-Qg = 40nC, Qgd = 11.4nC-enables efficient operation in high-frequency DC-DC converters up to 500kHz.

The device integrates a robust body diode with tRR = 35.8ns and QRR = 34.7nC, supporting synchronous rectification and freewheeling in buck and half-bridge topologies. Thermal design is enabled by the exposed drain pad and 1.2°C/W RθJC, allowing direct heatsinking through the PCB copper plane.

Key Specifications

Pinout & Package

Package: PowerDI5060-8 - surface-mount, thermally enhanced 8-pin leadless package with exposed drain pad (pins 1–8: Source, Drain, Drain, Gate, Drain, Drain, Source, Source). Dimensions: 5.15 × 6.15 × 1.00 mm (L × W × H), 0.097g mass, UL 94V-0 molding compound.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-current automotive MOSFET applications.

Compared with IXTH100N04S5 and STL220N4LF8AG, DMNH4004SPS uniquely balances 175°C operation, 3.3mΩ conduction loss, and PowerDI5060-8's low-profile thermal interface-making it the only option qualified for both under-hood placement and high-power density requirements in next-gen automotive power stages.

Availability

DMNH4004SPS is available at Aetrix Electronics and suitable for engine management systems, body control electronics, and DC-DC converters requiring stable component supply across automotive production lifecycles.

Supply support for DMNH4004SPS 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 and signal integrity solutions for automotive, industrial, and computing markets.

This MOSFET belongs to Diodes' Automotive-Qualified PowerDI® portfolio, engineered specifically for high-temperature, high-current switching in engine control, chassis, and electrification subsystems.

FAQ

What is the maximum allowable gate-source voltage for DMNH4004SPS?

The absolute maximum V_GS is ±20V per datasheet Section "Maximum Ratings." Operation beyond ±12V is not recommended for long-term reliability; typical gate drive uses 10V for full enhancement and 0V or –5V for guaranteed turn-off. Exceeding ±20V risks permanent gate oxide damage, even for transient events.

Does DMNH4004SPS require a gate resistor for safe operation?

Yes-a gate resistor (typically 2.2Ω to 10Ω) is required to control dV/dt and prevent oscillation during switching. The device's 1.98Ω intrinsic gate resistance and 40nC total gate charge make it susceptible to ringing without external damping; improper gate drive can cause shoot-through or localized hot spots in the die.

Can DMNH4004SPS be used in parallel configurations?

Yes, but only with matched devices and symmetrical PCB layout. Its positive R_DS(ON) temperature coefficient (normalized R_DS(ON) rises with temperature) enables inherent current sharing; however, layout asymmetry or mismatched gate drive delays will cause uneven current distribution and potential thermal runaway above 60A per device.

Is the PowerDI5060-8 package compatible with standard reflow profiles?

Yes-it is qualified for IPC/JEDEC J-STD-020 Level 1 moisture sensitivity and supports standard lead-free reflow profiles (peak 260°C, 20–40s above 217°C). The 0.097g mass and 1.00mm profile ensure uniform heating; however, thermal vias under the exposed drain pad must be filled or capped to prevent solder wicking and voiding.