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

Alpha & Omega Semiconductor Inc. AOTF190A60CL

Name: AOTF190A60CL
Brand: Alpha & Omega Semiconductor Inc.
SKU: AOTF190A60CL
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AOTF190A60CL

Manufacturer:: Alpha & Omega Semiconductor Inc.

Category:: FETs, MOSFETs

Package:: TO-220-3 Full Pack

Datasheet:: AOTF190A60CL.pdf

Description:: MOSFET N-CH 600V 20A TO220F

Quantity:: RFQ Add To RFQ list

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Product details

Overview

AOTF190A60CL from Alpha & Omega Semiconductor is a 600 V, 80 A N-channel enhancement-mode MOSFET in TO-220F Green package, featuring 0.19 Ω max R_DS(ON), 34 nC typical gate charge, and 4.3 mJ E_oss at 400 V - optimized for high-efficiency SMPS with PFC, LLC, and flyback topologies in silver ATX, TV, lighting, and telecom power supplies.

For engineers reviewing the AOTF190A60CL datasheet, pinout, applications, or equivalent options, key selection criteria include its 700 V V_DS rating at T_J,max, 100% UIS-tested ruggedness, 3.9 °C/W R_θJC, and enhanced body diode with 341 ns t_rr and 6.8 mC Q_rr.

Technical Context

The AOTF190A60CL employs proprietary aMOS5™ technology to achieve low conduction loss (R_DS(ON) ≤ 0.19 Ω) and optimized switching behavior, including 80 ns t_D(on), 70 ns t_r, and 20 ns t_f. Its dynamic parameters are characterized at V_GS = 10 V, V_DS = 400 V, I_D = 10 A, with R_g = 25 Ω.

Thermally, it delivers 32 W continuous power dissipation at T_C = 25 °C, derating at 0.25 W/°C above that temperature, and features a junction-to-case thermal resistance of 3.9 °C/W - validated under large heatsink mounting per Figure 13 transient impedance curves.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	600 V rated, 700 V absolute maximum - supports 400–480 V DC bus designs with margin for voltage transients
R_DS(ON), max	0.19 Ω at V_GS = 10 V, T_J = 125 °C - enables low conduction loss in high-current primary-side switching
Q_g, typ	34 nC - balances drive strength requirements and EMI performance in hard-switched topologies
E_oss	4.3 mJ at 400 V - reduces turn-off switching loss and improves efficiency in ZVS-capable LLC converters
t_rr	341 ns - supports fast body-diode recovery in synchronous rectification and freewheeling paths
R_θJC	3.9 °C/W - enables predictable thermal design when mounted to heatsink via insulated tab
I_DM	80 A pulsed - sustains short-duration overload conditions without thermal runaway

Pinout & Package

TO-220F Green package with insulated tab (non-conductive mounting surface), 3-pin through-hole configuration. Pin assignment verified per datasheet top-view diagram: Gate (G), Drain (D), Source (S), with Drain electrically connected to tab.

Pin/Terminal	Circuit Role	Design Meaning
G	Gate control input	Receives 10 V logic-level drive; ±20 V absolute max gate-source voltage limits driver design
D	Drain current path / heat sink interface	Connected to metal tab; carries full load current and dissipates heat directly to heatsink
S	Source reference / return path	Common node for gate drive return and current sensing; ties to power ground in half-bridge configurations

Key Features

Feature	Design Value
aMOS5™ process technology	Enables 0.19 Ω R_DS(ON) at 600 V while maintaining robust avalanche capability
100% UIS tested	Guarantees unclamped inductive switching survival up to I_AS = 2.7 A, L = 60 mH, V_DD = 150 V
Enhanced body diode	Reduces reverse recovery charge (Q_rr = 6.8 mC) and time (t_rr = 341 ns) versus standard superjunction MOSFETs
Optimized switching parameters	Low Crss (1.25 pF) and balanced Ciss/Coss ratio improve EMI profile in high-frequency SMPS
Green package	Meets RoHS and halogen-free requirements; TO-220F form factor enables drop-in replacement in legacy layouts

Applications

Server PSU PFC Stage	LLC Resonant Converter Primary
Use Scenario: Active PFC boost stage in 1–3 kW server power supplies operating at 65–100 kHz with 380–400 V DC link. IC Role / Device Role / Timing Role: High-side switch handling continuous 20–30 A RMS current and peak 80 A pulses during line transients. Use Value: 0.19 Ω R_DS(ON) minimizes conduction loss at high ambient temperature; 700 V V_DS rating ensures margin against 480 V surge events.	Use Scenario: Primary-side switching device in resonant LLC topology for 500 W–1.5 kW telecom and industrial power supplies. IC Role / Device Role / Timing Role: Hard-switched ZVS-capable switch operating at 200–500 kHz with bidirectional body-diode conduction during dead-time. Use Value: Low E_oss (4.3 mJ) and fast t_rr (341 ns) reduce switching loss and enable reliable ZVS across wide load range.
Flyback Adapter Primary	TV Backlight Power Supply
Use Scenario: Primary switch in universal-input (90–264 VAC), 65–120 W flyback adapters for laptops and monitors. IC Role / Device Role / Timing Role: DCM/CCM boundary-mode switch with 60–130 kHz operation and 80 A pulsed current capability. Use Value: 100% R_g tested and 100% UIS qualified ensure reliability under output short-circuit and startup overvoltage stress.	Use Scenario: Main power switch in LED backlight drivers for 32–65 inch LCD TVs, supporting burst-mode dimming and 100–200 kHz operation. IC Role / Device Role / Timing Role: High-voltage primary switch managing 400 V DC bus and delivering regulated current to series-connected LED strings. Use Value: 3.9 °C/W R_θJC and TO-220F insulated tab allow direct heatsink mounting in space-constrained chassis without isolation hardware.

Server PSU PFC Stage

LLC Resonant Converter Primary

Use Scenario: Active PFC boost stage in 1–3 kW server power supplies operating at 65–100 kHz with 380–400 V DC link.

IC Role / Device Role / Timing Role: High-side switch handling continuous 20–30 A RMS current and peak 80 A pulses during line transients.

Use Value: 0.19 Ω R_DS(ON) minimizes conduction loss at high ambient temperature; 700 V V_DS rating ensures margin against 480 V surge events.

Use Scenario: Primary-side switching device in resonant LLC topology for 500 W–1.5 kW telecom and industrial power supplies.

IC Role / Device Role / Timing Role: Hard-switched ZVS-capable switch operating at 200–500 kHz with bidirectional body-diode conduction during dead-time.

Use Value: Low E_oss (4.3 mJ) and fast t_rr (341 ns) reduce switching loss and enable reliable ZVS across wide load range.

Flyback Adapter Primary

TV Backlight Power Supply

Use Scenario: Primary switch in universal-input (90–264 VAC), 65–120 W flyback adapters for laptops and monitors.

IC Role / Device Role / Timing Role: DCM/CCM boundary-mode switch with 60–130 kHz operation and 80 A pulsed current capability.

Use Value: 100% R_g tested and 100% UIS qualified ensure reliability under output short-circuit and startup overvoltage stress.

Use Scenario: Main power switch in LED backlight drivers for 32–65 inch LCD TVs, supporting burst-mode dimming and 100–200 kHz operation.

IC Role / Device Role / Timing Role: High-voltage primary switch managing 400 V DC bus and delivering regulated current to series-connected LED strings.

Use Value: 3.9 °C/W R_θJC and TO-220F insulated tab allow direct heatsink mounting in space-constrained chassis without isolation hardware.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STP14NK60ZFP	600 V, 14 A, 0.45 Ω R_DS(ON), TO-220FP package, no UIS rating specified	Lower current rating and higher R_DS(ON) limit use to <50 W flyback or auxiliary supplies	Select when cost sensitivity outweighs efficiency and ruggedness requirements
IPP60R190C7	600 V, 21 A, 0.19 Ω R_DS(ON), TO-220 package, 100% UIS tested, but 6.5 °C/W R_θJC	Higher thermal resistance requires larger heatsink or lower power density than AOTF190A60CL	Choose where Infineon ecosystem compatibility or specific gate drive characteristics are prioritized

Compared with STP14NK60ZFP and IPP60R190C7, the AOTF190A60CL uniquely combines 80 A pulsed current, 0.19 Ω R_DS(ON), 3.9 °C/W thermal resistance, and full 100% UIS qualification - enabling higher power density and field reliability in mission-critical 100–300 W+ SMPS designs.

Availability

AOTF190A60CL is available at Aetrix Electronics and suitable for server PSUs, telecom LLC converters, and high-brightness TV backlight power supplies requiring stable component supply, long-term lifecycle support, and traceable green-sourced MOSFETs.

Supply support for AOTF190A60CL 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 telecom markets.

The AOTF190A60CL belongs to AOS' aMOS5™ superjunction MOSFET product line, engineered specifically for high-efficiency, high-reliability AC-DC and DC-DC conversion in compact, thermally constrained power supplies.

FAQ

What is the maximum junction temperature rating for the AOTF190A60CL?

The AOTF190A60CL has a maximum junction temperature (T_J) rating of 150 °C, as confirmed in the Absolute Maximum Ratings table. This rating governs all thermal derating calculations, including the 32 W power dissipation limit at T_C = 25 °C and the 0.25 W/°C linear derating slope above that temperature. The AOTF190A60CL's safe operating area curves and transient thermal impedance data assume T_J,max = 150 °C.

Is the AOTF190A60CL suitable for zero-voltage switching (ZVS) topologies?

Yes, the AOTF190A60CL is well-suited for ZVS operation due to its low output capacitance energy (E_oss = 4.3 mJ at 400 V) and fast body-diode recovery (t_rr = 341 ns, Q_rr = 6.8 mC). These parameters minimize turn-off loss and enable reliable resonant transition in LLC and phase-shifted full-bridge converters. The AOTF190A60CL's Crss of 1.25 pF further supports clean gate drive control during ZVS transitions.

Does the AOTF190A60CL have an insulated package?

Yes, the AOTF190A60CL uses a TO-220F Green package with an electrically insulated tab - meaning the drain-connected metal surface is non-conductive and does not require insulating hardware when mounted to a heatsink. This feature simplifies mechanical assembly and improves safety in high-voltage applications. The insulation rating and creepage/clearance meet RoHS and green packaging standards as stated in the datasheet.

What is the gate threshold voltage range for the AOTF190A60CL?

The AOTF190A60CL has a gate threshold voltage (V_GS(th)) range of 3.2 V to 4.6 V at T_J = 25 °C and I_D = 250 μA, per the Electrical Characteristics table. This ensures reliable turn-on with standard 10 V gate drive while maintaining noise immunity. The AOTF190A60CL's transfer characteristics (Figure 2) confirm stable transconductance (g_FS = 16 S typical) across its operating range.

How is the AOTF190A60CL tested for avalanche ruggedness?

The AOTF190A60CL undergoes 100% unclamped inductive switching (UIS) testing per Note G: each unit is stressed at T_J = 25 °C with L = 60 mH, I_AS = 2.7 A, V_DD = 150 V, and R_G = 25 Ω. This qualifies the AOTF190A60CL for robust operation under inductive load faults and transient overcurrents without degradation. No additional external snubbers are required for basic UIS protection in properly designed circuits.

AOTF190A60CL 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:: 20A (Tj)

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

Rds On (Max) @ Id, Vgs:: 190mOhm @ 7.6A, 10V

Vgs(th) (Max) @ Id:: 4.6V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 34 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 1935 pF @ 100 V

FET Feature:: -

Power Dissipation (Max):: 32W (Tc)

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

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220F

AOTF190A60CL FAQ

1.How can I place an order for AOTF190A60CL through Aetrix?

Please submit a Request for Quotation (RFQ) for AOTF190A60CL 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 AOTF190A60CL reliable?

The price and inventory of AOTF190A60CL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AOTF190A60CL is usually 5 days.

3.What payment methods are accepted for AOTF190A60CL?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AOTF190A60CL transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AOTF190A60CL?

AOTF190A60CL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AOTF190A60CL 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 AOTF190A60CL?

For technical support, including AOTF190A60CL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AOTF190A60CL requirements.

6.How does Aetrix verify that AOTF190A60CL is sourced from the original manufacturer or authorized distributors?

All AOTF190A60CL 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 AOTF190A60CL meets industry standards.

7.What is the process for return or replacement of AOTF190A60CL?

All AOTF190A60CL units undergo pre-shipment inspection (PSI). If there is an issue with AOTF190A60CL, 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 AOTF190A60CL part is unused and in its original packaging.

Return procedure for AOTF190A60CL:

1.Submit a request within 90 days.

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

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