Diodes Incorporated DMT12H060LCA9-7

Overview

DMT12H060LCA9-7 from Diodes Incorporated is a 115V N-channel enhancement-mode MOSFET in a 1.5mm × 1.5mm X4-DSN1515-9 package, with R_DS(ON) = 85 mΩ @ V_GS = 4.5V, I_D = 3.5 A, and ESD HBM rating of 2000 V. It serves as a low-voltage load switch in compact battery management systems where space-constrained PCB layout and low gate charge are critical.

For engineers reviewing the DMT12H060LCA9-7 datasheet, DMT12H060LCA9-7 pinout, DMT12H060LCA9-7 application, or DMT12H060LCA9-7 equivalent, key selection criteria include its 85 mΩ on-resistance at 4.5 V drive, 1.1 W power dissipation on FR-4, 9.5 pF Crss for fast switching, and AEC-Q101 readiness for automotive-grade reliability validation.

Technical Context

This MOSFET uses a trench-gate silicon process optimized for low R_DS(ON) and low Q_g/Q_gd, enabling efficient operation in 3.3 V–5 V logic-driven load-switching circuits. Its gate threshold voltage (0.5–1.4 V) ensures robust turn-on with standard GPIOs, while the integrated body diode supports bidirectional current flow in protection paths.

The device features a thermally enhanced DSN1515-9 package with NiAu-plated terminals and exposed drain pad for improved heat transfer. Its R_θJA = 115 °C/W (minimum pad) and 65 °C/W (recommended pad) reflects thermal design trade-offs between board area and power handling-critical for sustained 2.8 A operation at +70°C ambient.

Key Specifications

Pinout & Package

Package: X4-DSN1515-9 - ultra-thin (0.225 mm typical height), 1.5 mm × 1.5 mm footprint, 9-terminal leadless package with exposed drain pad (Pin 1–3: Source; Pin 4–6: Gate; Pin 7–9: Drain).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel load switch applications.

Compared with DMT12H060LCA9-7, the -13 variant offers identical performance with larger reel quantity, while DMN10H060LCA9-7 trades 15 V blocking headroom for marginal cost reduction-making the original part optimal for 36–48 V industrial and automotive load switching where transient margin is non-negotiable.

Availability

DMT12H060LCA9-7 is available at Aetrix Electronics and suitable for battery protection circuits, USB-C power delivery sinks, and medical wearable sensor hubs requiring stable component supply across multi-year product lifecycles.

Supply support for DMT12H060LCA9-7 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 manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.

This MOSFET belongs to Diodes' DMT high-efficiency power-switching family, engineered specifically for space-constrained, low-voltage load-switching applications in portable, automotive, and industrial electronics where thermal density and ESD robustness are critical.

FAQ

What is the maximum continuous drain current at +70°C ambient?

The DMT12H060LCA9-7 supports 2.8 A continuous drain current at T_A = +70°C, per the datasheet's derating curve. This assumes use of the recommended PCB pad layout (1.0 mm² copper under drain pad) and natural convection cooling-no heatsink or airflow required for this current level.

Does this MOSFET require a gate resistor for stability?

A 10 Ω series gate resistor is recommended to dampen ringing caused by the 4.4 Ω intrinsic gate resistance and PCB trace inductance. Without it, overshoot exceeding ±5.5 V V_GS rating may occur during fast edge transitions, risking long-term gate oxide degradation.

Is the DMT12H060LCA9-7 qualified for automotive use?

While not pre-qualified to AEC-Q101 in this specific date-code batch, the device is manufactured in IATF 16949-certified facilities and meets all parametric requirements for AEC-Q101 stress testing. Diodes offers AEC-Q101-compliant versions under separate part numbers upon request with PPAP documentation.

How does the body diode forward voltage affect reverse-current protection?

The body diode V_SD is 0.7–1.0 V at 1 A, enabling bidirectional current flow during fault conditions like reverse-battery connection. In such cases, the diode clamps reverse voltage to ~0.9 V, limiting power dissipation to <1 W-sufficient for short-duration protection without external diode stacking.