Diodes Incorporated DMNH4011SPSQ-13

Overview

DMNH4011SPSQ from Diodes Incorporated is an AEC-Q101-qualified N-channel enhancement-mode MOSFET in PowerDI5060-8 package, rated for 40V V_DSS, 10 mΩ R_DS(ON) @ V_GS = 10 V, and 80 A continuous drain current at T_C = +25°C. It operates up to +175°C junction temperature and is designed for high-reliability automotive power switching in engine management, DC-DC converters, and body control modules.

For engineers reviewing the DMNH4011SPSQ datasheet, DMNH4011SPSQ pinout, DMNH4011SPSQ application, or DMNH4011SPSQ equivalent, key selection criteria include its 10 mΩ on-resistance at 10 V gate drive, 25.5 nC total gate charge, 170 mJ avalanche energy rating, and PPAP-capable manufacturing in IATF 16949-certified facilities.

Technical Context

This MOSFET employs a trench-gate silicon process optimized for low conduction and switching losses in high-temperature automotive environments. Its 1 Ω·cm² figure-of-merit (R_DS(ON) × Q_g) supports efficient 48 V/12 V DC-DC conversion and high-current load switching with minimal thermal derating up to +175°C.

The integrated body diode exhibits 22.1 ns reverse recovery time and 13.4 nC Q_RR at 50 A/100 A/μs, enabling robust synchronous rectification and freewheeling in hard-switched topologies without external snubbing.

Key Specifications

Pinout & Package

Package: PowerDI5060-8 - surface-mount, thermally enhanced 8-pin leadless package with exposed drain pad for low R_θJC = 1°C/W and 0.097 g mass.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STL220N4F7AG and IXTP44N40P, DMNH4011SPSQ delivers optimal balance of low R_DS(ON), moderate Q_g, and AEC-Q101 compliance in a compact 5.0 × 6.0 mm footprint-making it the preferred choice for space-constrained, thermally demanding automotive modules where qualification and reliability are mandatory.

Availability

DMNH4011SPSQ is available at Aetrix Electronics and suitable for engine management systems, DC-DC converters, and body control electronics requiring stable component supply across automotive production lifecycles.

Supply support for DMNH4011SPSQ 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 components for automotive, industrial, and computing markets.

This device belongs to Diodes' PowerMOS™ automotive-qualified portfolio, engineered specifically for high-temperature, high-current switching in engine, chassis, and body electronics with full PPAP documentation and IATF 16949 traceability.

FAQ

What is the maximum continuous drain current at +100°C case temperature?

The DMNH4011SPSQ supports 57 A continuous drain current at T_C = +100°C, as specified in the Absolute Maximum Ratings table. This derating reflects thermal limitations of the PowerDI5060-8 package's 1°C/W R_θJC and ensures safe operation within the +175°C junction limit under sustained high-temperature conditions typical in under-hood applications.

Does this MOSFET require a gate resistor for reliable switching?

Yes-a 3.5 Ω gate resistor is used in the datasheet's switching time test conditions (t_D(ON), t_R, etc.) to control dV/dt and prevent oscillation. For production designs, gate resistor value must be selected based on driver capability, EMI targets, and required switching speed; values between 2.2 Ω and 10 Ω are typical for 200–500 kHz automotive DC-DC converters.

Is the body diode suitable for synchronous rectification?

Yes-the body diode has a measured t_RR of 22.1 ns and Q_RR of 13.4 nC at 50 A/100 A/μs, making it suitable for synchronous rectification in medium-frequency (≤500 kHz) buck converters. However, its V_SD of 0.9–1.2 V at 50 A results in higher forward loss than Schottky alternatives, so system-level efficiency trade-offs must be evaluated.

How is moisture sensitivity classified for this package?

The PowerDI5060-8 package is rated Moisture Sensitivity Level 1 per J-STD-020, meaning it has unlimited floor life at ≤30°C/60% RH and does not require dry-pack or baking prior to reflow soldering-simplifying manufacturing for high-volume automotive assembly lines.