Diodes Incorporated DMN2025U-13

Overview

DMN2025U-13 from Diodes Incorporated is an N-channel enhancement-mode MOSFET in SOT23 package, rated for 20V V_DSS, 27mΩ R_DS(ON) at V_GS = 4.5V, and 5.6A continuous drain current at T_A = +25°C. It delivers low on-resistance with fast switching (t_R = 5.4ns, Q_g = 5.9nC) and ESD-protected gate, targeting high-efficiency DC-DC converters and backlighting circuits.

For engineers reviewing the DMN2025U-13 datasheet, DMN2025U-13 pinout, DMN2025U-13 application, or DMN2025U-13 equivalent, key selection criteria include its 2.5V logic-level gate drive capability, 1.3W power dissipation on standard FR-4 PCB, and thermal resistance of 98°C/W under recommended layout - critical for compact power-stage designs.

Technical Context

This MOSFET employs a planar trench-gate process optimized for low R_DS(ON) while maintaining controlled gate charge (Q_gd = 0.8nC) and low output capacitance (C_oss = 91pF). Its gate threshold voltage (V_GS(TH) = 0.5–0.9V) enables reliable turn-on with 2.5V microcontroller I/O, and integrated gate protection diode suppresses ESD up to ±10µA leakage at ±10V.

The device operates across –55°C to +150°C junction temperature, with R_DS(ON) increasing only 1.8× from 25°C to 150°C at V_GS = 4.5V. Its safe operating area supports pulsed drain currents up to 40A (10µs, 1% duty), making it suitable for transient-heavy motor control and load-switching applications.

Key Specifications

Pinout & Package

Package: SOT23 - Surface-mount plastic package with matte tin annealed terminals, UL 94V-0 rated, moisture sensitivity level 1, weight ≈0.009g.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DMN2025U-13, DMN2026U-13 offers lower conduction loss but demands more gate drive energy, while AO3400A trades ESD robustness and threshold consistency for lower unit cost - making DMN2025U-13 optimal for space-constrained, logic-level-driven DC-DC and LED applications requiring guaranteed 2.5V turn-on and built-in ESD immunity.

Availability

DMN2025U-13 is available at Aetrix Electronics and suitable for DC-DC converters, LED backlight drivers, and USB power switches requiring stable component supply, consistent parametric performance, and long-term production continuity.

Supply support for DMN2025U-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 semiconductor company specializing in discrete, analog, and mixed-signal devices, with design, manufacturing, and test facilities certified to IATF 16949 and ISO 9001 standards.

The DMN2025U belongs to Diodes' logic-level N-channel MOSFET product line, engineered for high-efficiency, low-voltage power management in portable, automotive, and industrial systems where compact size and 2.5V–4.5V gate drive compatibility are essential.

FAQ

What is the maximum continuous drain current for DMN2025U-13 at 70°C ambient?

The DMN2025U-13 supports 4.9A continuous drain current at T_A = +70°C with V_GS = 4.5V, as specified in the Absolute Maximum Ratings table. This derating reflects thermal limits imposed by the SOT23 package's 98°C/W R_θJA under recommended PCB layout (2oz copper, 1-inch² pad).

Does DMN2025U-13 require external gate protection?

No - DMN2025U-13 integrates an ESD protection diode between gate and source, verified to withstand human-body-model (HBM) ESD events per JEDEC JS-001. Gate leakage remains ≤±10µA at ±10V, eliminating need for external TVS or RC snubbers in standard IEC 61000-4-2 Level 3 environments.

Can DMN2025U-13 operate reliably with 1.8V gate drive?

Yes - at V_GS = 1.8V, R_DS(ON) is 49.1–65mΩ (typ/max) with I_D = 3.5A, confirmed in Electrical Characteristics. Its V_GS(TH) range (0.5–0.9V) ensures enhancement, though conduction loss increases ~2.5× versus 4.5V drive; suitable for ultra-low-power standby modes.

What is the safe operating area (SOA) limitation for single-pulse operation?

At T_C = 25°C and T_J(max) = 150°C, the SOA curve (Figure 12) allows 40A for 10µs pulses (1% duty cycle). For DC operation, the limit is 5.6A at 25°C ambient or 4.9A at 70°C ambient, constrained by package thermal resistance and power dissipation (0.8W steady-state).