Alpha & Omega Semiconductor Inc. AOM060V65X2

Overview

AOM060V65X2 from Alpha and Omega Semiconductor is a 650 V, 60 mΩ silicon carbide (αSiC) power MOSFET in TO-247-4L package, rated for 90 A pulsed drain current and featuring ultra-low Qrr (51 nC), Eoss (12 µJ), and fast switching (tD(on) = 4.6 ns). It serves as a high-efficiency primary-side switching device in high-frequency, high-voltage DC-DC converters and solar inverters.

For engineers reviewing the AOM060V65X2 datasheet, pinout, applications, or equivalent options, key selection criteria include its 650 V VDS rating, 60 mΩ RDS(ON) at 15 V VGS, 175 °C maximum junction temperature, TO-247-4L 4-pin source–source–drain–gate configuration, and suitability for hard-switched 100 kHz+ topologies requiring low conduction and switching losses.

Technical Context

This αSiC MOSFET employs a proprietary silicon carbide die with optimized gate oxide and trench structure to deliver stable RDS(ON) over temperature (88 mΩ at 175 °C) and minimal threshold voltage drift (VGS(th) = 1.8–3.5 V). Its low Crss (16 pF) and RG (2.2 Ω) enable robust dV/dt immunity and precise gate control under high-speed operation.

The integrated ultra-fast body diode exhibits trr = 11 ns, Irm = 8 A, and Qrr = 51 nC at 400 V - enabling zero-voltage switching (ZVS) soft-recovery in bridge-leg configurations without external SiC Schottky anti-parallel diodes. Thermal performance is defined by RθJC = 1.20 °C/W and validated 100% UIS testing at 420 mJ.

Key Specifications

Pinout & Package

TO-247-4L package with isolated source Kelvin connection: 4-terminal configuration optimizes gate drive stability and minimizes source inductance-induced oscillation during high di/dt switching.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage SiC MOSFET applications.

Compared with C3M0065065K and STW65N65DM6, the AOM060V65X2 delivers the lowest RDS(ON) among 650 V SiC MOSFETs in TO-247-4L, making it optimal for conduction-loss-limited designs such as high-current solar string inverters and industrial motor drives operating above 75 °C case temperature.

Availability

AOM060V65X2 is available at Aetrix Electronics and suitable for solar inverters, EV DC fast charging stations, and industrial UPS systems requiring stable component supply, long-term lifecycle support, and traceable sourcing from qualified wafer lots.

Supply support for AOM060V65X2 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

Alpha and Omega Semiconductor (AOS) is a fabless power semiconductor company specializing in high-performance MOSFETs, IGBTs, and SiC devices for power conversion and motor control.

The AOM060V65X2 belongs to AOS' αSiC family - engineered specifically for high-efficiency, high-reliability 650 V applications in renewable energy, EV infrastructure, and industrial power systems where thermal stability and switching speed are critical.

FAQ

What is the maximum recommended gate-source voltage for continuous operation of the AOM060V65X2?

The AOM060V65X2 has a recommended operating gate-source voltage range of −5 V to +15 V. This ensures reliable turn-off while minimizing gate oxide stress and preventing unintended turn-on due to Miller coupling. Exceeding +15 V risks long-term gate oxide degradation, and operation below −5 V may compromise noise immunity in high-dV/dt environments. The AOM060V65X2 datasheet specifies VGS,OP = −5/+15 V as the safe continuous operating window.

Does the AOM060V65X2 include an integrated body diode, and how does it perform in reverse conduction?

Yes, the AOM060V65X2 features an integrated ultra-fast SiC body diode with trr = 11 ns, Irm = 8 A, and Qrr = 51 nC at 400 V. Unlike silicon diodes, this body diode exhibits negligible reverse recovery tail and low forward voltage (VSD = 4–5 V at IS = 6 A), enabling efficient bidirectional conduction in bridge-leg and DAB topologies without external diodes. The AOM060V65X2 body diode is fully characterized and 100% tested per production lot.

What thermal resistance values define the AOM060V65X2's junction-to-case and junction-to-ambient performance?

The AOM060V65X2 has a maximum junction-to-case thermal resistance (RθJC) of 1.20 °C/W, measured under JEDEC-standard mounting conditions with a large heatsink. Its maximum junction-to-ambient resistance (RθJA) is 40 °C/W in still air - but this value is highly layout-dependent and intended only for comparative evaluation. For thermal design, engineers must use RθJC = 1.20 °C/W with actual heatsink thermal resistance to calculate real-world TJ rise. The AOM060V65X2 thermal data is validated per Note I in the datasheet.

Can the AOM060V65X2 be used in parallel configurations, and what design considerations apply?

Yes, the AOM060V65X2 supports paralleling due to its positive RDS(ON) temperature coefficient (60 → 88 mΩ from 25 °C to 175 °C) and low VGS(th) variation (1.8–3.5 V). To ensure current sharing, designers must match gate loop inductance, use individual gate resistors (RG,ON ≈ 2–5 Ω), and implement Kelvin source routing. Layout symmetry and thermal coupling are critical - the AOM060V65X2 datasheet provides layout guidelines for multi-device assemblies on Page 7.

Is the AOM060V65X2 suitable for unclamped inductive switching (UIS) applications, and what is its rated energy capability?

Yes, the AOM060V65X2 is 100% tested for unclamped inductive switching (UIS) with a single-pulse avalanche energy rating of 420 mJ under standardized test conditions (L = 5 mH, IAS = 13 A, RG = 10 Ω, TJ starting at 25 °C). This ruggedness enables reliable operation in flyback, forward, and LLC converters where inductive energy must be safely absorbed during fault or transient events. The AOM060V65X2 UIS performance is guaranteed per datasheet Section "Absolute Maximum Ratings".