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

Alpha & Omega Semiconductor Inc. AOTF10T60

Name: AOTF10T60
Brand: Alpha & Omega Semiconductor Inc.
SKU: AOTF10T60
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AOTF10T60

Manufacturer:: Alpha & Omega Semiconductor Inc.

Category:: FETs, MOSFETs

Package:: TO-220-3 Full Pack

Datasheet:: AOTF10T60.pdf

Description:: MOSFET N-CH 600V 10A TO220-3F

Quantity:: RFQ Add To RFQ list

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Product details

Overview

AOTF10T60 from Alpha & Omega Semiconductor is a 600 V, 10 A N-channel MOSFET in TO-220F package, featuring R_DS(ON) < 0.7 Ω at V_GS = 10 V, 23 nC typical gate charge, and 100% UIS-tested ruggedness-designed for high-efficiency offline AC-DC power supplies including adapters and open-frame SMPS.

For engineers reviewing the AOTF10T60 datasheet, pinout, applications, or equivalent options, key selection criteria include avalanche energy rating (E_AS = 480 mJ), thermal resistance (R_θJC = 2.9 °C/W), dv/dt ruggedness (50 V/ns), and halogen-free compliance (AOTF10T60L variant available).

Technical Context

The AOTF10T60 employs Alpha & Omega's advanced high-voltage trench MOSFET process to achieve low R_DS(ON) (0.6–0.7 Ω), low Crss (10 pF), and guaranteed unclamped inductive switching capability. Its SOA curve supports 10 A continuous drain current at T_C = 100 °C with R_θJC = 2.9 °C/W.

It delivers robust body-diode performance (V_SD = 0.74–1.0 V, t_rr = 477 ns, Q_rr = 6.7 µC) and high dv/dt immunity (50 V/ns), enabling reliable operation in hard-switched flyback and LLC resonant converters without external snubbers.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	600 V - Maximum blocking voltage for primary-side switching in universal-input AC-DC supplies up to 265 VAC.
R_DS(ON), max	< 0.7 Ω @ V_GS = 10 V - Enables <1.4 W conduction loss at 10 A, reducing heatsink requirements in compact adapters.
Q_g, typ	23 nC - Low gate drive power demand supports efficient operation with standard 12 V gate drivers at 65–100 kHz.
E_oss @ 400 V	3.4 µJ - Minimizes turn-off switching loss in high-frequency quasi-resonant topologies.
T_J, max	150 °C - Allows sustained operation under high ambient conditions in enclosed power enclosures.
I_D, cont @ T_C = 100 °C	6.6 A - Real-world continuous current rating when mounted on heatsink with case temperature held at 100 °C.
dv/dt ruggedness	50 V/ns - Withstands fast voltage transients during hard switching without false turn-on or latch-up.

Pinout & Package

Package: TO-220F (Full-pack, insulated tab). Thermally enhanced plastic package with electrically isolated drain tab rated for 2500 V_RMS isolation; suitable for direct mounting to heatsink without insulator washer.

Pin/Terminal	Circuit Role	Design Meaning
G (Gate)	Control terminal	Receives 10 V logic-level drive; 3.8 Ω internal gate resistance limits peak current and dI/dt-induced ringing.
D (Drain)	High-side power switch node	Connected to primary winding of transformer; electrically isolated tab enables safe heatsink attachment.
S (Source)	Power return reference	Common return for gate driver and current-sense circuitry; ties to primary ground plane.

Key Features

Feature	Design Value
100% UIS tested	Guarantees single-pulse avalanche energy E_AS ≥ 480 mJ - eliminates need for derating in unclamped inductive loads like flyback transformers.
100% R_g tested	Ensures consistent gate drive timing and switching behavior across production lots - critical for EMI control in mass-produced adapters.
Low C_iss/C_rss ratio	C_iss = 1346 pF, C_rss = 10 pF - improves Miller immunity and enables stable operation with minimal gate resistor tuning.
Body diode optimized recovery	t_rr = 477 ns, Q_rr = 6.7 µC - reduces reverse recovery loss and associated EMI in discontinuous conduction mode (DCM) flyback.
Halogen-free option	AOTF10T60L suffix - meets IEC 61249-2-21 and RoHS-compliant flame-retardant material requirements for consumer end-equipment.

Applications

Adapter Power Supply	Flyback SMPS
Use Scenario: 36–65 W universal-input wall adapters for laptops and monitors. IC Role / Device Role: Primary-side high-voltage switching transistor in self-oscillating or PWM-controlled flyback converter. Use Value: Low R_DS(ON) and E_oss enable >88% efficiency at full load while meeting CoC Tier 2 and DOE Level VI standards.	Use Scenario: Open-frame 45–90 W industrial auxiliary power supply with wide input range. IC Role / Device Role: Main power switch in primary-side regulated flyback with optocoupler feedback. Use Value: 100% UIS testing ensures reliability under output short-circuit and line surge events without additional clamping circuits.
LED Driver (Offline)	AC-DC Auxiliary Supply
Use Scenario: Non-isolated buck-boost LED drivers for street lighting with 90–305 VAC input. IC Role / Device Role: High-side switch controlling bulk capacitor charging and LED current regulation. Use Value: 700 V BVDSS margin and 50 V/ns dv/dt ruggedness prevent failure during lightning-induced transients on AC mains.	Use Scenario: Standby and control rail generation in multi-output ATX or server PSUs. IC Role / Device Role: Secondary-side synchronous rectifier or primary-side auxiliary switch for +5 VSB generation. Use Value: TO-220F insulated tab allows direct heatsink mounting in space-constrained PCB layouts without creepage/clearance compromises.

Adapter Power Supply

Flyback SMPS

Use Scenario: 36–65 W universal-input wall adapters for laptops and monitors.

IC Role / Device Role: Primary-side high-voltage switching transistor in self-oscillating or PWM-controlled flyback converter.

Use Value: Low R_DS(ON) and E_oss enable >88% efficiency at full load while meeting CoC Tier 2 and DOE Level VI standards.

Use Scenario: Open-frame 45–90 W industrial auxiliary power supply with wide input range.

IC Role / Device Role: Main power switch in primary-side regulated flyback with optocoupler feedback.

Use Value: 100% UIS testing ensures reliability under output short-circuit and line surge events without additional clamping circuits.

LED Driver (Offline)

AC-DC Auxiliary Supply

Use Scenario: Non-isolated buck-boost LED drivers for street lighting with 90–305 VAC input.

IC Role / Device Role: High-side switch controlling bulk capacitor charging and LED current regulation.

Use Value: 700 V BVDSS margin and 50 V/ns dv/dt ruggedness prevent failure during lightning-induced transients on AC mains.

Use Scenario: Standby and control rail generation in multi-output ATX or server PSUs.

IC Role / Device Role: Secondary-side synchronous rectifier or primary-side auxiliary switch for +5 VSB generation.

Use Value: TO-220F insulated tab allows direct heatsink mounting in space-constrained PCB layouts without creepage/clearance compromises.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STP10NK60ZFP	R_DS(ON) = 0.73 Ω, Q_g = 35 nC, TO-220FP package (non-isolated tab)	Requires insulating pad for heatsink mounting; higher gate charge increases driver loss at >65 kHz	Prefer AOTF10T60 where board space is limited and isolation simplifies thermal design.
IPP60R190C6	650 V superjunction, R_DS(ON) = 0.19 Ω, Q_g = 34 nC, TO-220 package	Lower R_DS(ON) but higher cost and no UIS rating; not 100% avalanche tested	Choose AOTF10T60 for cost-sensitive, reliability-critical AC-DC designs requiring proven avalanche robustness.

Compared with STP10NK60ZFP and IPP60R190C6, the AOTF10T60 offers superior thermal isolation (TO-220F), lower gate charge, and factory-verified UIS performance-making it optimal for compact, high-reliability offline power stages where layout simplicity and surge resilience are prioritized over ultra-low R_DS(ON).

Availability

AOTF10T60 is available at Aetrix Electronics and suitable for adapter power supplies, flyback SMPS, offline LED drivers, and AC-DC auxiliary supplies requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for AOTF10T60 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 AOTF10T60 belongs to AOS's "AlphaMOS" high-voltage planar MOSFET product line, engineered specifically for rugged, cost-effective primary-side switching in universal-input offline power conversion.

FAQ

What is the maximum continuous drain current for AOTF10T60 at 100°C case temperature?

The AOTF10T60 supports 6.6 A continuous drain current when the case temperature is maintained at 100°C, based on its R_θJC = 2.9 °C/W and T_J,max = 150°C rating. This value reflects real thermal derating in practical heatsink-mounted configurations-not just ideal lab conditions-and is confirmed in the Absolute Maximum Ratings table on page 1 of the official AOS datasheet Rev. 4.0.

Does AOTF10T60 have an electrically isolated tab, and what is its isolation rating?

Yes, the AOTF10T60 uses a TO-220F package with an electrically isolated drain tab rated for 2500 V_RMS isolation per UL 60950-1. This eliminates the need for insulating pads or washers when mounting directly to a heatsink, simplifying mechanical assembly and improving thermal transfer-confirmed in the package outline diagram and thermal characteristics section of the AOTF10T60 datasheet.

Is AOTF10T60 suitable for use in quasi-resonant (QR) flyback converters?

Yes, the AOTF10T60 is well-suited for QR flyback converters due to its low E_oss (3.4 µJ at 400 V), fast turn-off characteristics (t_f = 35 ns), and low Crss (10 pF), which minimize switching loss and improve zero-voltage switching (ZVS) window stability. These parameters are explicitly measured and published in the AOTF10T60 datasheet's dynamic parameter tables.

What is the gate threshold voltage range for AOTF10T60, and how does it affect drive compatibility?

The AOTF10T60 has a gate threshold voltage V_GS(th) of 3–5 V at T_J = 25°C, making it fully compatible with standard 10 V gate drivers and PWM controllers such as UC384x or VIPer series. This range ensures reliable turn-on margin above noise while avoiding unintended conduction from system noise-values verified in the Electrical Characteristics table on page 2 of the AOTF10T60 datasheet.

How does the UIS rating of AOTF10T60 compare to standard industry requirements?

The AOTF10T60 is 100% tested for unclamped inductive switching with E_AS ≥ 480 mJ at T_J = 25°C, exceeding typical JEDEC JESD24-11 minimum requirements for 600 V MOSFETs. This validated avalanche capability ensures robustness during transformer saturation or output short-circuit events in flyback designs-explicitly stated in the Product Summary and Absolute Maximum Ratings sections of the AOTF10T60 datasheet.

AOTF10T60 Specifications

Product attributes: Attribute value

Manufacturer:: Alpha & Omega Semiconductor Inc.

Series:: -

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

Packaging:: Tube

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 600 V

Current - Continuous Drain (Id) @ 25°C:: 10A (Tc)

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

Rds On (Max) @ Id, Vgs:: 700mOhm @ 5A, 10V

Vgs(th) (Max) @ Id:: 5V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 35 nC @ 10 V

Vgs (Max):: ±30V

Input Capacitance (Ciss) (Max) @ Vds:: 1346 pF @ 100 V

FET Feature:: -

Power Dissipation (Max):: 43W (Tc)

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

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220F

AOTF10T60 FAQ

1.How can I place an order for AOTF10T60 through Aetrix?

Please submit a Request for Quotation (RFQ) for AOTF10T60 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 AOTF10T60 reliable?

The price and inventory of AOTF10T60 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AOTF10T60 is usually 5 days.

3.What payment methods are accepted for AOTF10T60?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AOTF10T60 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AOTF10T60?

AOTF10T60 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AOTF10T60 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 AOTF10T60?

For technical support, including AOTF10T60 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AOTF10T60 requirements.

6.How does Aetrix verify that AOTF10T60 is sourced from the original manufacturer or authorized distributors?

All AOTF10T60 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 AOTF10T60 meets industry standards.

7.What is the process for return or replacement of AOTF10T60?

All AOTF10T60 units undergo pre-shipment inspection (PSI). If there is an issue with AOTF10T60, 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 AOTF10T60 part is unused and in its original packaging.

Return procedure for AOTF10T60:

1.Submit a request within 90 days.

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

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