Diodes Incorporated DMTH4014SPSWQ-13

Overview

DMTH4014SPSWQ-13 from Diodes Incorporated is an AEC-Q101-qualified 40V N-channel enhancement-mode MOSFET in PowerDI5060-8 (SWP) package, delivering 14.8 mΩ R_DS(ON) at V_GS = 10 V, 43.5 A continuous drain current at T_C = +25°C, and rated for operation up to +175°C - designed for high-efficiency DC-DC converters and synchronous rectification in automotive power systems.

For engineers reviewing the DMTH4014SPSWQ-13 datasheet, DMTH4014SPSWQ-13 pinout, DMTH4014SPSWQ-13 application, or DMTH4014SPSWQ-13 equivalent, key selection criteria include its wettable flank package for automated optical inspection, 100% production-tested UIS robustness, low Q_g (10.6 nC), and IATF 16949-certified manufacturing traceability.

Technical Context

This MOSFET employs a trench-gate silicon process optimized for low conduction loss and fast switching in high-frequency automotive power stages. Its gate threshold voltage (2–4 V) enables reliable turn-on with standard 3.3 V or 5 V logic-level drivers, while the 1.2 Ω gate resistance supports controlled dV/dt and EMI management without external gate resistors in many designs.

The device integrates a low-forward-voltage body diode (V_SD = 0.9–1.2 V at 20 A) with 10.2 ns reverse recovery time and 9.6 nC Q_RR, enabling efficient synchronous rectification in buck and half-bridge topologies. Thermal design is supported by R_θJC = 3.2°C/W and a thermally enhanced exposed drain pad.

Key Specifications

Pinout & Package

Package: PowerDI5060-8 (SWP), surface-mount, thermally enhanced with exposed drain pad and wettable flanks for solder joint inspection.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STL220N4F7AG and NTMFS4C09NT1G, DMTH4014SPSWQ-13 uniquely balances AEC-Q101 PPAP readiness, wettable flank AOI capability, +175°C operation, and production-tested UIS - making it optimal for safety-critical, high-reliability automotive power stages where supply chain traceability and solder joint inspection are mandatory.

Availability

DMTH4014SPSWQ-13 is available at Aetrix Electronics and suitable for automotive DC-DC converters, synchronous rectifiers, and engine control unit power stages requiring stable component supply, full AEC-Q101 compliance, and IATF 16949 traceability.

Supply support for DMTH4014SPSWQ-13 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 with ISO/TS 16949 and IATF 16949 certified facilities.

This device belongs to Diodes' Automotive Power MOSFET product line, engineered specifically for AEC-Q101-compliant switching applications in harsh-temperature automotive subsystems - emphasizing robustness, manufacturability, and long-term supply stability.

FAQ

What is the maximum gate-source voltage rating for DMTH4014SPSWQ-13?

The absolute maximum gate-source voltage (V_GSS) is ±20 V. Exceeding this rating risks permanent gate oxide damage. For reliable operation, gate drive should be limited to 0–10 V for full enhancement, with transient spikes clamped below ±15 V using Zener protection or gate resistors.

Does DMTH4014SPSWQ-13 require a gate resistor for safe operation?

A gate resistor is recommended to control dV/dt and suppress ringing, especially in high-speed switching. With Q_g = 10.6 nC and R_g = 1.2 Ω typical, a 5–10 Ω external resistor provides optimal trade-off between switching speed and EMI suppression in 48 V automotive systems.

How is thermal performance validated for this MOSFET in real PCB layouts?

Thermal data is measured per JEDEC standards: R_θJC = 3.2°C/W uses a thermally enhanced test board with 1-inch² 2 oz copper on the bottom layer connected to the exposed drain pad. Actual R_θJA depends on PCB copper area and airflow - typical values range from 25–45°C/W with 2–4 cm² of 2 oz copper.

Is the body diode suitable for freewheeling in continuous conduction mode (CCM)?

Yes - the body diode has V_SD = 0.9–1.2 V at 20 A and t_RR = 10.2 ns, enabling efficient CCM operation in buck converters. However, synchronous gate control is strongly preferred to avoid reverse recovery losses; the diode serves primarily as a fail-safe path during startup or fault conditions.