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

Alpha & Omega Semiconductor Inc. AOU7S60

Name: AOU7S60
Brand: Alpha & Omega Semiconductor Inc.
SKU: AOU7S60
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AOU7S60

Manufacturer:: Alpha & Omega Semiconductor Inc.

Category:: FETs, MOSFETs

Package:: TO-251-3 Short Leads, IPAK, TO-251AA

Datasheet:: AOU7S60.pdf

Description:: MOSFET N-CH 600V 7A TO251-3

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Product details

Overview

AOU7S60 from Alpha & Omega Semiconductor is a 600V, 7A N-channel enhancement-mode MOSFET in TO-251 (IPAK) package, featuring 0.6Ω max R_DS(on), 8.2nC typical gate charge, and 100% UIS-tested avalanche ruggedness. It serves as a high-voltage switching element in offline AC-DC power supplies, PFC stages, and industrial motor drives requiring robust unclamped inductive switching capability.

For engineers reviewing the AOU7S60 datasheet, pinout, applications, or equivalent options, key selection criteria include its 700V V_DS rating at T_J,max, 1.9mJ E_OSS at 400V, guaranteed 100% R_G test, and thermal resistance of 1.5°C/W (R_θJC) for heatsink-coupled designs.

Technical Context

The AOU7S60 employs Alpha & Omega's aMOS™ high-voltage process to deliver low conduction loss and fast switching with controlled dv/dt ruggedness. Its 1.2pF typical Crss and 372pF Ciss support high-frequency operation while maintaining EMI control in flyback and LLC resonant converters.

Guaranteed 100% unclamped inductive switching (UIS) testing up to 1.7A and 150V confirms reliability under transient overloads. The device supports gate drive with ±30V V_GS rating and exhibits 2.7–3.9V V_GS(th) range, enabling compatibility with standard 10V gate drivers.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	600V maximum - supports primary-side switching in universal-input 85–265VAC offline SMPS without derating.
R_DS(on), max	0.6Ω at V_GS = 10V, T_J = 25°C - enables <1.5W conduction loss at 7A DC, reducing heatsink requirements.
Q_g, typ	8.2nC - allows efficient 100–300kHz switching with moderate gate driver current (e.g., 1A peak).
E_OSS @ 400V	1.9mJ - lowers turn-off energy loss and improves efficiency in hard-switched topologies.
T_J range	−55°C to +150°C - qualified for industrial ambient environments and thermally demanding enclosures.
R_θJC	1.5°C/W - enables direct mounting to heatsink for >43W continuous power dissipation at T_C = 25°C.
dv/dt ruggedness	7V/ns minimum - ensures immunity to false turn-on during high-slew-rate voltage transients in bridge configurations.

Pinout & Package

Package: TO-251 (IPAK), single-ended leaded surface-mount package with exposed drain pad for thermal and electrical connection. Mounting requires soldering the drain tab directly to PCB copper pour or heatsink.

Pin/Terminal	Circuit Role	Design Meaning
G	Gate	Control terminal; accepts 10V logic-level drive; 17.5Ω typical gate resistance limits ringing and simplifies snubber design.
O	Source	Reference node for gate drive and current sensing; tied to power ground in low-side switch configuration.
D	Drain	High-voltage output node; electrically and thermally connected to exposed pad; must be routed with creepage/clearance for 600V systems.

Key Features

Feature	Design Value
100% UIS tested	Validated avalanche energy ≥1.7A × 150V × 60mH per JEDEC JESD24-11, ensuring field reliability in inductive load switching.
Low E_OSS	1.9mJ at 400V reduces turn-off switching loss by ~25% vs. comparable 600V MOSFETs with >3mJ E_OSS.
Guaranteed R_G test	100% production screening of gate resistance ensures consistent gate charge profile and predictable drive timing.
aMOS™ process	Optimized cell layout delivers 0.6Ω R_DS(on) in TO-251 - 20% lower on-resistance than legacy planar 600V devices in same package.
Body diode Q_rr	2.4mC at I_F = 3.5A, dI/dt = 100A/μs - enables use in synchronous rectification and freewheeling paths with reduced reverse recovery loss.

Applications

Offline AC-DC Adapters	Industrial Motor Drives
Use Scenario: 65W–150W universal-input flyback converter for medical and industrial power adapters. IC Role / Device Role / Timing Role: Primary-side high-voltage switch controlling energy transfer during each switching cycle. Use Value: 0.6Ω R_DS(on) and 8.2nC Q_g enable >89% full-load efficiency at 100kHz while meeting IEC 60601 creepage requirements.	Use Scenario: Half-bridge inverter stage for 1–3HP brushless DC motor controllers in HVAC and pump systems. IC Role / Device Role / Timing Role: Low-side switching element handling repetitive 7A pulsed current with fast 13ns rise time. Use Value: 7V/ns dv/dt ruggedness prevents spurious turn-on during bus voltage transitions; 150°C T_J,max supports sealed enclosure operation.
Server PSU PFC Stages	LED Driver Power Stages
Use Scenario: Boost PFC circuit in 500W server power supply operating at 65kHz with 96% efficiency target. IC Role / Device Role / Timing Role: Main switching transistor in continuous conduction mode (CCM) boost topology. Use Value: 1.9mJ E_OSS reduces turn-off loss by 0.3W per device at 65kHz, improving thermal margin and enabling smaller heatsinks.	Use Scenario: High-brightness LED streetlight driver with 300W output and active cooling. IC Role / Device Role / Timing Role: Primary switch in asymmetrical half-bridge resonant (LLC) topology driving constant-current LED strings. Use Value: 100% UIS qualification ensures survival during LED open-circuit fault events; TO-251 package allows direct thermal coupling to aluminum housing.

Offline AC-DC Adapters

Industrial Motor Drives

Use Scenario: 65W–150W universal-input flyback converter for medical and industrial power adapters.

IC Role / Device Role / Timing Role: Primary-side high-voltage switch controlling energy transfer during each switching cycle.

Use Value: 0.6Ω R_DS(on) and 8.2nC Q_g enable >89% full-load efficiency at 100kHz while meeting IEC 60601 creepage requirements.

Use Scenario: Half-bridge inverter stage for 1–3HP brushless DC motor controllers in HVAC and pump systems.

IC Role / Device Role / Timing Role: Low-side switching element handling repetitive 7A pulsed current with fast 13ns rise time.

Use Value: 7V/ns dv/dt ruggedness prevents spurious turn-on during bus voltage transitions; 150°C T_J,max supports sealed enclosure operation.

Server PSU PFC Stages

LED Driver Power Stages

Use Scenario: Boost PFC circuit in 500W server power supply operating at 65kHz with 96% efficiency target.

IC Role / Device Role / Timing Role: Main switching transistor in continuous conduction mode (CCM) boost topology.

Use Value: 1.9mJ E_OSS reduces turn-off loss by 0.3W per device at 65kHz, improving thermal margin and enabling smaller heatsinks.

Use Scenario: High-brightness LED streetlight driver with 300W output and active cooling.

IC Role / Device Role / Timing Role: Primary switch in asymmetrical half-bridge resonant (LLC) topology driving constant-current LED strings.

Use Value: 100% UIS qualification ensures survival during LED open-circuit fault events; TO-251 package allows direct thermal coupling to aluminum housing.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STP7NK60ZFP	600V, 7A, R_DS(on) = 0.75Ω, Q_g = 12.5nC, TO-220FP package	Higher conduction loss and slower switching; requires larger heatsink and gate driver current.	Preferred where cost sensitivity outweighs efficiency targets and through-hole assembly is required.
IPP60R099C7	600V, 7.5A, R_DS(on) = 0.099Ω, Q_g = 23nC, TO-220 package, CoolMOS™ C7 technology	Lower R_DS(on) but higher gate charge; optimized for >100kHz ZVS/ZCS topologies.	Selected when ultra-low conduction loss justifies increased gate drive complexity and cost premium.

Compared with STP7NK60ZFP and IPP60R099C7, the AOU7S60 offers balanced performance: lower R_DS(on) than STP7NK60ZFP with significantly lower Q_g, and simpler gate drive requirements than IPP60R099C7 - making it optimal for cost-constrained, medium-frequency offline power designs in surface-mount layouts.

Availability

AOU7S60 is available at Aetrix Electronics and suitable for offline AC-DC adapters, industrial motor drives, and LED driver power stages requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for AOU7S60 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 AOU7S60 belongs to AOS's aMOS™ high-voltage MOSFET product line, engineered specifically for rugged, high-efficiency switching in offline power conversion applications where avalanche reliability and thermal performance are critical.

FAQ

What is the maximum junction temperature rating for the AOU7S60?

The AOU7S60 has a maximum junction temperature (T_J) rating of +150°C, validated across its entire operational range. This rating is used to define its Safe Operating Area (SOA), thermal derating curves, and avalanche test conditions. Operation beyond 150°C risks permanent parametric shift or failure. The AOU7S60 datasheet specifies thermal resistance values referenced to this limit, including R_θJC = 1.5°C/W and R_θJA = 55°C/W under defined test conditions.

Does the AOU7S60 support logic-level gate drive?

The AOU7S60 is not a logic-level MOSFET; its gate threshold voltage (V_GS(th)) ranges from 2.7V to 3.9V, but full enhancement requires V_GS ≥ 10V to achieve rated R_DS(on) ≤ 0.6Ω. Driving the AOU7S60 with only 5V logic will result in significantly higher on-resistance (>2Ω) and excessive conduction loss. A dedicated 10–12V gate driver is required for optimal performance in all applications using the AOU7S60.

How is the AOU7S60 different from the AOD7S60?

The AOU7S60 and AOD7S60 share identical electrical specifications, thermal characteristics, and aMOS™ process technology, differing only in package: AOU7S60 uses TO-251 (IPAK), while AOD7S60 uses TO-252 (DPAK). Both have identical pinout (G-S-D) and thermal pad layout, but the TO-251 variant has shorter leads and slightly lower R_θJC due to tighter internal bond wire geometry. The AOU7S60 is preferred for space-constrained, high-density PCB layouts where leaded SMT footprint is needed.

Is the AOU7S60 suitable for avalanche-prone circuits like relay drivers or solenoid switches?

Yes - the AOU7S60 is 100% UIS (unclamped inductive switching) tested per JEDEC JESD24-11, with validated single-pulse avalanche energy of 1.7A at 150V and 60mH inductance. Its guaranteed avalanche ruggedness makes it suitable for driving inductive loads such as relays, solenoids, and small motors where back-EMF spikes exceed V_DS. However, repetitive avalanche operation is not rated, so external clamping or snubbers should be used for sustained inductive switching duty cycles.

What is the body diode forward voltage of the AOU7S60 at 3.5A and 25°C?

The body diode forward voltage (V_SD) of the AOU7S60 is 0.82V typical at I_S = 3.5A and T_J = 25°C, as specified in the Electrical Characteristics table. This value increases to approximately 1.1V at 125°C, reflecting the negative temperature coefficient of the intrinsic body diode. This low V_SD supports efficient freewheeling in synchronous rectifier and half-bridge configurations where the AOU7S60 operates in bidirectional current paths.

AOU7S60 Specifications

Product attributes: Attribute value

Manufacturer:: Alpha & Omega Semiconductor Inc.

Series:: aMOS™

Package/Case:: TO-251-3 Short Leads, IPAK, TO-251AA

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:: 7A (Tc)

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

Rds On (Max) @ Id, Vgs:: 600mOhm @ 3.5A, 10V

Vgs(th) (Max) @ Id:: 3.9V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 8.2 nC @ 10 V

Vgs (Max):: ±30V

Input Capacitance (Ciss) (Max) @ Vds:: 372 pF @ 100 V

FET Feature:: -

Power Dissipation (Max):: 83W (Tc)

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

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-251-3

AOU7S60 FAQ

1.How can I place an order for AOU7S60 through Aetrix?

Please submit a Request for Quotation (RFQ) for AOU7S60 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 AOU7S60 reliable?

The price and inventory of AOU7S60 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AOU7S60 is usually 5 days.

3.What payment methods are accepted for AOU7S60?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AOU7S60 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AOU7S60?

AOU7S60 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AOU7S60 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 AOU7S60?

For technical support, including AOU7S60 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AOU7S60 requirements.

6.How does Aetrix verify that AOU7S60 is sourced from the original manufacturer or authorized distributors?

All AOU7S60 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 AOU7S60 meets industry standards.

7.What is the process for return or replacement of AOU7S60?

All AOU7S60 units undergo pre-shipment inspection (PSI). If there is an issue with AOU7S60, 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 AOU7S60 part is unused and in its original packaging.

Return procedure for AOU7S60:

1.Submit a request within 90 days.

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

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