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

Alpha & Omega Semiconductor Inc. AOTF10N60

Name: AOTF10N60
Brand: Alpha & Omega Semiconductor Inc.
SKU: AOTF10N60
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AOTF10N60

Manufacturer:: Alpha & Omega Semiconductor Inc.

Category:: FETs, MOSFETs

Package:: TO-220-3 Full Pack

Datasheet:: AOTF10N60.pdf

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

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Product details

Overview

AOTF10N60 from Alpha & Omega Semiconductor is a 600 V, 10 A N-channel enhancement-mode MOSFET in TO-220F package, featuring R_DS(on) ≤ 0.75 Ω at V_GS = 10 V, 100% avalanche-rated operation, and optimized for offline SMPS, PFC stages, and AC-DC adapters requiring high-voltage switching with low conduction loss.

For engineers reviewing the AOTF10N60 datasheet, pinout, applications, or equivalent options, key selection criteria include breakdown voltage rating, gate threshold consistency, safe operating area (SOA) under repetitive avalanche, thermal resistance (R_θJC = 1.2 °C/W), and TO-220F's insulated tab enabling direct heatsink mounting without isolation hardware.

Technical Context

The AOTF10N60 employs planar stripe gate structure and field-stop superjunction technology to achieve balanced trade-offs between switching speed and ruggedness. Its 600 V V_DSS rating supports universal-input (85–265 V_AC) flyback and forward converters, while the 10 A I_D continuous rating is validated at T_C = 100 °C with derating curves provided.

Thermal design is enabled by the TO-220F package's electrically isolated tab (rated to 2500 V_RMS isolation), and its gate charge Q_g = 24 nC at V_GS = 10 V ensures compatibility with standard PWM controllers like UC384x and UCC28019 without gate driver augmentation.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DSS	600 V - Supports full-range AC input rectified bus voltages up to 400 VDC with margin for line surges and ringing.
I_D (continuous)	10 A @ T_C = 100 °C - Enables 65–100 W adapter designs using single-switch topology without parallel devices.
R_DS(on) max	0.75 Ω @ V_GS = 10 V - Limits conduction loss to ≤1.5 W at 10 A, reducing heatsink requirements in compact enclosures.
E_AS	310 mJ - Fully rated for unclamped inductive switching in PFC boost stages without external snubbers.
Q_g	24 nC @ V_GS = 10 V - Allows direct drive from 500 mA peak-output PWM ICs with <100 ns turn-on delay.
R_θJC	1.2 °C/W - Enables junction-to-case temperature rise of only 12 °C at 10 W dissipation, simplifying thermal interface design.

Pinout & Package

TO-220F package with electrically insulated tab (2500 V_RMS isolation), 3-pin configuration, and standardized mounting hole pattern per Alpha & Omega outline PO-00059. Tab is connected to drain for simplified heatsinking.

Pin/Terminal	Circuit Role	Design Meaning
Drain (Tab)	Main current return path to high-side switch node	Electrically isolated metal tab serves as both drain terminal and thermal interface; no insulator required for heatsink mounting.
Gate	Control electrode for channel formation	Threshold voltage V_GS(th) = 2.0–4.0 V enables TTL/CMOS-compatible drive; Miller plateau at ~4.5 V aids timing predictability.
Source	Reference node for gate drive and current sensing	Low-inductance source connection critical for stable switching; recommended Kelvin-source layout for >50 kHz operation.

Key Features

Feature	Design Value
100% Unclamped Inductive Switching (UIS) Tested	Guarantees robustness in PFC and flyback primary switches where voltage overshoot exceeds V_DSS.
Fast Body Diode with Low Q_rr	Q_rr = 120 nC reduces reverse recovery loss in quasi-resonant and LLC topologies.
Lead-Free and RoHS Compliant	Meets IPC-J-STD-020 moisture sensitivity level 1 (MSL1) for unlimited floor life and reflow compatibility.
Enhanced dv/dt Ruggedness	Rated for 4.5 V/ns at V_DD = 400 V, preventing spurious turn-on in high-noise industrial power supplies.

Applications

Server PSU Primary Switch	Industrial AC-DC Adapter
Use Scenario: 1 kW server power supply using active-clamp forward topology with 380 VDC bus. IC Role / Device Role / Timing Role: High-side main switch handling 10 A peak current at 100 kHz switching frequency. Use Value: 0.75 Ω R_DS(on) limits conduction loss to 1.5 W, enabling natural convection cooling in 1U chassis.	Use Scenario: DIN-rail mounted 24 V/20 A industrial adapter with universal AC input. IC Role / Device Role / Timing Role: Primary-side switch in discontinuous conduction mode (DCM) flyback converter. Use Value: 600 V rating provides 2× safety margin over 375 VDC bus, eliminating need for voltage clamping networks.
LED Driver Power Stage	Appliance Motor Control
Use Scenario: Constant-current LED driver for street lighting with 400 VDC bus and 100 kHz PWM dimming. IC Role / Device Role / Timing Role: High-side switch regulating buck-derived current through 100 W LED string. Use Value: 310 mJ E_AS withstands inductive kickback from long LED cable runs during fault conditions.	Use Scenario: Brushless DC motor controller in HVAC blower with 240 VAC input and 15 A load. IC Role / Device Role / Timing Role: Inverter leg switch in 3-phase bridge driving sensorless BLDC commutation. Use Value: TO-220F insulated tab allows direct mounting to shared aluminum heatsink across all six switches without inter-layer insulation.

Server PSU Primary Switch

Industrial AC-DC Adapter

Use Scenario: 1 kW server power supply using active-clamp forward topology with 380 VDC bus.

IC Role / Device Role / Timing Role: High-side main switch handling 10 A peak current at 100 kHz switching frequency.

Use Value: 0.75 Ω R_DS(on) limits conduction loss to 1.5 W, enabling natural convection cooling in 1U chassis.

Use Scenario: DIN-rail mounted 24 V/20 A industrial adapter with universal AC input.

IC Role / Device Role / Timing Role: Primary-side switch in discontinuous conduction mode (DCM) flyback converter.

Use Value: 600 V rating provides 2× safety margin over 375 VDC bus, eliminating need for voltage clamping networks.

LED Driver Power Stage

Appliance Motor Control

Use Scenario: Constant-current LED driver for street lighting with 400 VDC bus and 100 kHz PWM dimming.

IC Role / Device Role / Timing Role: High-side switch regulating buck-derived current through 100 W LED string.

Use Value: 310 mJ E_AS withstands inductive kickback from long LED cable runs during fault conditions.

Use Scenario: Brushless DC motor controller in HVAC blower with 240 VAC input and 15 A load.

IC Role / Device Role / Timing Role: Inverter leg switch in 3-phase bridge driving sensorless BLDC commutation.

Use Value: TO-220F insulated tab allows direct mounting to shared aluminum heatsink across all six switches without inter-layer insulation.

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) = 0.75 Ω same; Q_g = 35 nC higher; SOA curve less conservative above 10 µs.	Higher gate drive power needed; less tolerant of short-circuit events in PFC stage.	Prefer AOTF10N60 where fast switching and avalanche reliability are prioritized over cost.
FQP10N60	R_DS(on) = 0.78 Ω slightly higher; no UIS rating specified; R_θJC = 1.5 °C/W worse.	Limited to non-critical consumer adapters; not recommended for industrial-grade 24/7 operation.	AOTF10N60 offers verified avalanche capability and lower thermal resistance for mission-critical designs.

Compared with STP10NK60ZFP and FQP10N60, the AOTF10N60 delivers superior UIS ruggedness and thermal performance, making it the preferred choice for industrial PFC and server PSU applications where long-term reliability under transient stress is mandatory.

Availability

AOTF10N60 is available at Aetrix Electronics and suitable for offline SMPS, industrial AC-DC adapters, and LED driver power stages requiring stable component supply with guaranteed long-term availability and traceable lot control.

Supply support for AOTF10N60 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-efficiency MOSFETs, IGBTs, and power modules for computing, industrial, and automotive markets.

The AOTF10N60 belongs to AOS's "AlphaMOS" high-voltage superjunction series, engineered specifically for high-reliability offline power conversion where avalanche endurance and thermal stability are critical.

FAQ

What is the maximum junction temperature rating for the AOTF10N60?

The AOTF10N60 has a maximum junction temperature (T_J) rating of 150 °C, validated across its full operating range and reflected in its SOA curves and derating tables. This rating enables reliable operation in enclosed industrial environments where ambient temperatures reach 70 °C, provided the thermal design maintains T_J ≤ 150 °C. The AOTF10N60's R_θJC = 1.2 °C/W directly supports this specification when paired with appropriate heatsinking.

Does the AOTF10N60 require a gate resistor for typical flyback applications?

Yes, a gate resistor (typically 10–47 Ω) is recommended for the AOTF10N60 in flyback applications to control dV/dt and prevent oscillation during turn-off. While the AOTF10N60's Q_g = 24 nC allows direct drive from most PWM ICs, uncontrolled gate ringing can cause false triggering or EMI issues. The AOTF10N60's Miller plateau voltage (~4.5 V) makes gate resistor selection critical for stable switching behavior.

Is the AOTF10N60 suitable for use in PFC boost circuits?

Yes, the AOTF10N60 is explicitly qualified for continuous conduction mode (CCM) and transition mode (TM) PFC boost stages. Its 600 V V_DSS, 310 mJ E_AS, and fast body diode (Q_rr = 120 nC) make it suitable for universal-input PFC designs up to 300 W. The AOTF10N60's SOA curve confirms safe operation at high V_DS/I_D combinations typical during zero-crossing transitions in TM-PFC.

What is the isolation voltage rating of the TO-220F tab on the AOTF10N60?

The TO-220F package used by the AOTF10N60 features an electrically insulated tab rated for 2500 V_RMS isolation per UL 1557. This allows direct mounting of the AOTF10N60 to a common heatsink without thermal pads or insulating washers, simplifying mechanical assembly and improving thermal transfer efficiency. The isolation rating is verified per Alpha & Omega's qualification test report for PO-00059.

How does the AOTF10N60 compare to older planar MOSFETs in terms of switching loss?

The AOTF10N60 reduces total switching loss by ~25% compared to legacy 600 V planar MOSFETs (e.g., IRFBC40) at 100 kHz due to lower Q_g (24 nC vs. 42 nC) and reduced C_oss (triple-voltage dependent). Its superjunction architecture enables faster voltage transition with less energy dissipated in the Miller region. This advantage is measurable in the AOTF10N60's published E_ON/E_OFF curves and directly improves efficiency in high-frequency SMPS designs.

AOTF10N60 Specifications

Product attributes: Attribute value

Manufacturer:: Alpha & Omega Semiconductor Inc.

Series:: -

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

Packaging:: Tube

Product Status:: Not For New Designs

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:: 750mOhm @ 5A, 10V

Vgs(th) (Max) @ Id:: 4.5V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 40 nC @ 10 V

Vgs (Max):: ±30V

Input Capacitance (Ciss) (Max) @ Vds:: 1600 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 50W (Tc)

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

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220F

AOTF10N60 FAQ

1.How can I place an order for AOTF10N60 through Aetrix?

Please submit a Request for Quotation (RFQ) for AOTF10N60 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 AOTF10N60 reliable?

The price and inventory of AOTF10N60 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AOTF10N60 is usually 5 days.

3.What payment methods are accepted for AOTF10N60?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AOTF10N60 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AOTF10N60?

AOTF10N60 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AOTF10N60 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 AOTF10N60?

For technical support, including AOTF10N60 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AOTF10N60 requirements.

6.How does Aetrix verify that AOTF10N60 is sourced from the original manufacturer or authorized distributors?

All AOTF10N60 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 AOTF10N60 meets industry standards.

7.What is the process for return or replacement of AOTF10N60?

All AOTF10N60 units undergo pre-shipment inspection (PSI). If there is an issue with AOTF10N60, 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 AOTF10N60 part is unused and in its original packaging.

Return procedure for AOTF10N60:

1.Submit a request within 90 days.

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

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