Alpha & Omega Semiconductor Inc. AOTF160A60L

Overview

AOTF160A60L from Alpha & Omega Semiconductor is a 600 V, 96 A N-channel MOSFET in TO-220F Green package, featuring R_DS(ON) ≤ 0.16 Ω at V_GS = 10 V, Q_g = 46 nC, and E_oss = 4.9 mJ at 400 V - optimized for high-efficiency SMPS with PFC, flyback, and LLC topologies.

For engineers reviewing the AOTF160A60L datasheet, pinout, applications, or equivalent options, key selection criteria include its 700 V BVDSS rating, 100% UIS-tested ruggedness, 3.6 °C/W R_θJC, TO-220F thermally enhanced package, and αMOS5™ technology enabling low conduction loss and robust dv/dt immunity.

Technical Context

The AOTF160A60L employs αMOS5™ trench-gate process to achieve low R_DS(ON) (0.14–0.16 Ω) and optimized charge profile (Q_gd/Q_g = 14/46 nC), supporting fast switching with reduced EMI. Its body diode exhibits t_rr = 387 ns and Q_rr = 7.3 mC under IF = 12 A, dI/dt = 100 A/ms, enabling reliable operation in hard-switched converters.

Thermally, it features R_θJC = 3.6 °C/W and R_θJA = 65 °C/W (TO-220F mounted on 1-in² 2-oz copper), with transient thermal impedance validated per Figure 13 (Z_θJC normalized curves). Absolute max ratings include V_GS = ±30 V, T_J = –55 to +150 °C, and 100% R_g-tested gate resistance (5.4 Ω typ).

Key Specifications

Pinout & Package

Package: TO-220F Green - thermally enhanced variant with insulated tab, rated for 34.7 W power dissipation at T_C = 25 °C and 18 W at T_C = 100 °C.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STP16NF60 and IXTP16N60P, the AOTF160A60L offers 27% lower R_DS(ON), validated E_oss for ZVS design, and guaranteed dv/dt immunity - making it preferred for high-efficiency, high-reliability industrial and renewable energy systems where thermal and switching loss budgets are tight.

Availability

AOTF160A60L is available at Aetrix Electronics and suitable for server PSU PFC stages, industrial flyback converters, and microinverter DC/AC stages requiring stable component supply, long-term lifecycle support, and traceable green packaging compliance.

Supply support for AOTF160A60L 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 & Omega Semiconductor (AOS) is a fabless power semiconductor company specializing in high-performance MOSFETs, IGBTs, and power ICs for computing, consumer, industrial, and automotive markets.

The AOTF160A60L belongs to AOS' αMOS5™ high-voltage MOSFET product line, engineered specifically for high-efficiency, high-power-density AC/DC and DC/DC conversion in enterprise and renewable energy infrastructure.

FAQ

What is the maximum continuous drain current rating for the AOTF160A60L at case temperature 100°C?

The AOTF160A60L has a maximum continuous drain current (I_D) of 18 A at T_C = 100 °C, derated from 96 A at T_C = 25 °C per the current de-rating curve in Figure 10. This reflects thermal limitation of the TO-220F package, not silicon capability - the device remains fully functional at higher currents if heatsinked to maintain T_C ≤ 100 °C. The AOTF160A60L datasheet specifies this value explicitly under Absolute Maximum Ratings.

Does the AOTF160A60L have an insulated package, and how does that affect mounting?

Yes, the AOTF160A60L uses the TO-220F Green package, which features an electrically insulated tab. This eliminates the need for insulating washers or pads when mounting directly to a grounded heatsink, simplifying mechanical assembly and improving thermal interface consistency. The insulation withstands ≥2500 V RMS, meeting reinforced isolation requirements for industrial power supplies. This feature is confirmed in the Package Type table on page 1 of the AOTF160A60L datasheet.

What is the gate threshold voltage range for the AOTF160A60L, and why does it matter for gate drive design?

The AOTF160A60L has a gate threshold voltage (V_GS(th)) range of 2.4 V to 3.6 V at T_J = 25 °C. This narrow window ensures predictable turn-on behavior across temperature and process variation, allowing gate drivers to operate reliably with 10 V logic-level signals while avoiding partial enhancement near 5 V. The AOTF160A60L's specified V_GS(th) enables robust noise immunity in high-noise power converter environments without requiring overdriving.

How is the AOTF160A60L's avalanche capability validated, and what does "100% UIS tested" mean?

"100% UIS tested" means every AOTF160A60L unit undergoes unclamped inductive switching stress per JEDEC JESD24-11, verifying single-pulse avalanche energy (E_AS) of 34.7 mJ at T_J = 25 °C. This test confirms ruggedness against inductive kickback in hard-switched topologies like flyback and forward converters. The AOTF160A60L's UIS rating is explicitly listed in the Product Summary and Absolute Maximum Ratings tables, ensuring field reliability without derating.

Can the AOTF160A60L be used in zero-voltage switching (ZVS) LLC resonant converters, and which parameter most supports that use?

Yes, the AOTF160A60L is suitable for ZVS LLC converters, primarily due to its characterized E_oss = 4.9 mJ at 400 V - a key parameter for calculating resonant tank energy and soft-switching boundary conditions. Its low C_oss (62 pF) and Co(er) = 56 pF further enable predictable dead-time design. These values are measured and published in the Electrical Characteristics table of the AOTF160A60L datasheet, confirming suitability for resonant topologies.