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Home > Products > Discrete Semiconductor Products > Transistors > FETs, MOSFETs > FETs, MOSFETs

Alpha & Omega Semiconductor Inc. AOTF600A60L

Name: AOTF600A60L
Brand: Alpha & Omega Semiconductor Inc.
SKU: AOTF600A60L
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AOTF600A60L

Manufacturer:: Alpha & Omega Semiconductor Inc.

Category:: FETs, MOSFETs

Package:: TO-220-3 Full Pack

Datasheet:: AOTF600A60L.pdf

Description:: MOSFET N-CH 600V 8A TO220F

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Product details

Overview

AOTF600A60L from Alpha & Omega Semiconductor is a 600 V, N-channel MOSFET in TO-220F package with R_DS(ON) ≤ 0.6 Ω at V_GS = 10 V, 11.5 nC total gate charge, and 100% UIS-tested ruggedness-designed for high-efficiency SMPS topologies including PFC, flyback, and LLC converters in server power and lighting applications.

For engineers reviewing the AOTF600A60L datasheet, pinout, applications, or equivalent options, key selection criteria include its 700 V BVDSS rating, 32 A pulsed drain current, 4.6 Ω gate resistance, 159 ns body diode reverse recovery time, and thermal resistance R_θJC = 4.6 °C/W for heatsink-integrated power stage design.

Technical Context

This MOSFET employs proprietary aMOS5™ technology to achieve low conduction loss and optimized switching parameters-including 2.8 nC Q_gd, 5.5 ns rise time, and 36 ns turn-off delay-enabling improved EMI performance in hard-switched converters. Its enhanced body diode delivers 13 A peak reverse recovery current and 1.2 mC Q_rr at dI/dt = 100 A/ms.

The device is characterized for operation up to T_J = 150 °C with a negative BVDSS temperature coefficient (0.59 V/°C), normalized transient thermal impedance validated per Figure 13, and SOA rated for 10 ms pulses at 480 V and 10 A under case temperature constraints.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DSS	600 V - Maximum blocking voltage for primary-side switching in 400 V DC bus applications
R_DS(ON)	≤ 0.6 Ω @ V_GS = 10 V - Enables <1.5 W conduction loss at 2.1 A continuous drain current
Q_g	11.5 nC - Determines gate drive power requirement and switching speed in 100–500 kHz designs
E_oss	1.8 mJ @ 400 V - Quantifies output capacitance energy loss during hard-switching transitions
T_rr	159 ns - Critical for synchronous rectification timing margin and body diode stress in LLC resonant converters
R_θJC	4.6 °C/W - Defines minimum heatsink thermal interface requirement for 32 A pulsed operation
I_DM	32 A - Peak pulsed drain current capability under avalanche-limited conditions with L = 1 mH

Pinout & Package

Package: TO-220F (Full-pack, insulated tab), thermally enhanced variant of TO-220 with isolated metal tab for direct heatsink mounting without insulator.

Pin/Terminal	Circuit Role	Design Meaning
G	Gate	Control terminal requiring 10 V threshold (V_GS(th) = 2.9–4.1 V) and 4.6 Ω internal gate resistance
D	Drain	Main high-voltage power terminal rated for 600 V blocking and 32 A pulsed current
S	Source	Power return path and reference for gate drive; tied to source of body diode and common node in half-bridge configurations

Key Features

Feature	Design Value
aMOS5™ technology	Delivers R_DS(ON) × Q_g figure-of-merit < 6.9 Ω·nC, enabling high-frequency efficiency trade-off optimization
Enhanced body diode	159 ns T_rr and 1.2 mC Q_rr support robust freewheeling in discontinuous conduction mode (DCM) flyback
100% UIS tested	Guarantees unclamped inductive switching survival up to rated I_AS = 0.8 A with L = 60 mH, critical for PFC reliability
Optimized EMI profile	Controlled dv/dt (100 V/ns) and low Crss (1.3 pF) reduce radiated emissions in compact power supplies
Thermal ruggedness	R_θJC = 4.6 °C/W and 150 °C max junction temperature enable stable operation in sealed server enclosures

Applications

Server Power Supply	LED Lighting Driver
Use Scenario: Primary-side switch in 80+ Titanium-certified 1.5 kW server PSU using interleaved PFC + LLC topology. IC Role / Device Role / Timing Role: High-voltage switching element handling 400 V DC bus, operating at 100–300 kHz with zero-voltage switching (ZVS) assist. Use Value: Low Q_g (11.5 nC) and fast tr (5.5 ns) minimize gate drive losses while maintaining ZVS window across load range.	Use Scenario: Primary switch in constant-current LED driver for high-bay industrial lighting with universal AC input (90–305 VAC). IC Role / Device Role / Timing Role: Flyback converter main switch with DCM operation, managing 600 V peak drain stress during line surges. Use Value: 700 V BVDSS rating and 100% UIS testing ensure surge immunity and long-term reliability under brownout/recovery cycles.
ATX Power Supply	TV Backlight Inverter
Use Scenario: Active clamp forward or LLC resonant converter in Silver ATX PSUs delivering +12 V/30 A to CPU VRMs. IC Role / Device Role / Timing Role: High-side switch in half-bridge configuration, synchronized with gate driver for precise dead-time control. Use Value: Tight V_GS(th) distribution (2.9–4.1 V) and low R_DS(ON) variation over temperature ensure balanced current sharing.	Use Scenario: Resonant inverter switch driving CCFL or edge-lit LED backlights in 4K UHD TVs with dynamic dimming. IC Role / Device Role / Timing Role: High-frequency (50–100 kHz) switching transistor in series-resonant tank, subjected to repetitive avalanche stress. Use Value: Enhanced body diode with 13 A I_rm and controlled T_rr prevents secondary breakdown during rapid polarity reversal.

Server Power Supply

LED Lighting Driver

Use Scenario: Primary-side switch in 80+ Titanium-certified 1.5 kW server PSU using interleaved PFC + LLC topology.

IC Role / Device Role / Timing Role: High-voltage switching element handling 400 V DC bus, operating at 100–300 kHz with zero-voltage switching (ZVS) assist.

Use Value: Low Q_g (11.5 nC) and fast tr (5.5 ns) minimize gate drive losses while maintaining ZVS window across load range.

Use Scenario: Primary switch in constant-current LED driver for high-bay industrial lighting with universal AC input (90–305 VAC).

IC Role / Device Role / Timing Role: Flyback converter main switch with DCM operation, managing 600 V peak drain stress during line surges.

Use Value: 700 V BVDSS rating and 100% UIS testing ensure surge immunity and long-term reliability under brownout/recovery cycles.

ATX Power Supply

TV Backlight Inverter

Use Scenario: Active clamp forward or LLC resonant converter in Silver ATX PSUs delivering +12 V/30 A to CPU VRMs.

IC Role / Device Role / Timing Role: High-side switch in half-bridge configuration, synchronized with gate driver for precise dead-time control.

Use Value: Tight V_GS(th) distribution (2.9–4.1 V) and low R_DS(ON) variation over temperature ensure balanced current sharing.

Use Scenario: Resonant inverter switch driving CCFL or edge-lit LED backlights in 4K UHD TVs with dynamic dimming.

IC Role / Device Role / Timing Role: High-frequency (50–100 kHz) switching transistor in series-resonant tank, subjected to repetitive avalanche stress.

Use Value: Enhanced body diode with 13 A I_rm and controlled T_rr prevents secondary breakdown during rapid polarity reversal.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STP60NF06	R_DS(ON) = 0.018 Ω (lower), but V_DSS = 60 V only; TO-220 package, no UIS rating	Not suitable for 400 V bus applications; limited to low-voltage DC-DC stages	Select only for sub-60 V systems where ultra-low R_DS(ON) outweighs voltage margin needs
IPP60R099C7	650 V rating, R_DS(ON) = 0.099 Ω, 13.5 nC Q_g, TO-220FP package, CoolMOS™ C7 process	Better high-frequency efficiency above 300 kHz but higher cost and less body diode ruggedness (T_rr = 220 ns)	Prefer for high-density, high-frequency SMPS where EMI and size dominate; avoid in high-reliability UIS-critical designs

Compared with STP60NF06 and IPP60R099C7, the AOTF600A60L provides optimal balance of 600 V rating, 100% UIS validation, and 159 ns T_rr-making it uniquely suited for cost-sensitive, thermally constrained, and surge-prone 400 V bus applications where body diode robustness is non-negotiable.

Availability

AOTF600A60L is available at Aetrix Electronics and suitable for server power supplies, LED lighting drivers, and ATX power supplies requiring stable component supply, consistent parametric performance across production lots, and full traceability from wafer to shipment.

Supply support for AOTF600A60L 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, and industrial markets.

The AOTF600A60L belongs to AOS' aMOS5™ family-engineered specifically for high-efficiency, high-reliability AC-DC and DC-DC conversion in datacenter, lighting, and consumer power systems.

FAQ

What is the maximum junction temperature rating for the AOTF600A60L?

The AOTF600A60L has a maximum junction temperature (T_J) of 150 °C, validated across all electrical and thermal specifications including R_DS(ON), BVDSS, and SOA curves. This rating enables reliable operation in sealed server chassis and high-ambient lighting enclosures when paired with appropriate heatsinking per R_θJC = 4.6 °C/W.

Does the AOTF600A60L have a fully rated avalanche capability?

Yes-the AOTF600A60L is 100% unclamped inductive switching (UIS) tested per JEDEC JESD24-1, with validated single-pulse avalanche energy E_AS = 1.8 mJ at V_DS = 400 V. This ensures robustness against inductive transients in PFC and flyback circuits without external snubbers.

What is the gate threshold voltage range for the AOTF600A60L?

The AOTF600A60L has a gate threshold voltage (V_GS(th)) range of 2.9 V to 4.1 V at T_J = 25 °C and ID = 250 μA. This tight distribution supports predictable turn-on behavior in gate-drive circuits with ±10 % V_GS tolerance, especially important in multi-phase or paralleled configurations.

How does the body diode performance of the AOTF600A60L compare to standard MOSFETs?

The AOTF600A60L features an enhanced body diode with T_rr = 159 ns and Q_rr = 1.2 mC at IF = 2.1 A and dI/dt = 100 A/ms-significantly faster and lower charge than standard planar MOSFETs. This reduces switching loss and ringing in flyback and LLC freewheeling paths, directly improving system efficiency.

Is the AOTF600A60L compatible with standard TO-220 heatsinks?

Yes-the AOTF600A60L uses the TO-220F package with an electrically insulated metal tab, allowing direct mounting to standard TO-220 heatsinks without thermal pads or insulators. Its R_θJC = 4.6 °C/W is measured under this condition, making thermal design straightforward and repeatable across production builds.

AOTF600A60L Specifications

Product attributes: Attribute value

Manufacturer:: Alpha & Omega Semiconductor Inc.

Series:: aMOS5™

Package/Case:: TO-220-3 Full Pack

Packaging:: Tube

Product Status:: Active

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 600 V

Current - Continuous Drain (Id) @ 25°C:: 8A (Tj)

Drive Voltage (Max Rds On, Min Rds On):: 10V

Rds On (Max) @ Id, Vgs:: 600mOhm @ 2.1A, 10V

Vgs(th) (Max) @ Id:: 3.5V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 11.5 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 608 pF @ 100 V

FET Feature:: -

Power Dissipation (Max):: 27.5W (Tc)

Operating Temperature:: -55°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220F

AOTF600A60L FAQ

1.How can I place an order for AOTF600A60L through Aetrix?

Please submit a Request for Quotation (RFQ) for AOTF600A60L on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for AOTF600A60L reliable?

The price and inventory of AOTF600A60L are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AOTF600A60L is usually 5 days.

3.What payment methods are accepted for AOTF600A60L?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AOTF600A60L transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AOTF600A60L?

AOTF600A60L orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AOTF600A60L order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for AOTF600A60L?

For technical support, including AOTF600A60L datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AOTF600A60L requirements.

6.How does Aetrix verify that AOTF600A60L is sourced from the original manufacturer or authorized distributors?

All AOTF600A60L products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AOTF600A60L meets industry standards.

7.What is the process for return or replacement of AOTF600A60L?

All AOTF600A60L units undergo pre-shipment inspection (PSI). If there is an issue with AOTF600A60L, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The AOTF600A60L part is unused and in its original packaging.

Return procedure for AOTF600A60L:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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