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

Alpha & Omega Semiconductor Inc. AON7412

Name: AON7412
Brand: Alpha & Omega Semiconductor Inc.
SKU: AON7412
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AON7412

Manufacturer:: Alpha & Omega Semiconductor Inc.

Category:: FETs, MOSFETs

Package:: 8-PowerVDFN

Datasheet:: AON7412.pdf

Description:: MOSFET N-CH 30V 10A/16A 8DFN

Quantity:: RFQ Add To RFQ list

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Inventory:8,596

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Product details

Overview

AON7412 from Alpha & Omega Semiconductor is a 30 V, 12 A N-channel enhancement-mode MOSFET in a 3x3 mm DFN package with 4.5 mΩ R_DS(on) at V_GS = 10 V, optimized for high-efficiency DC-DC power conversion in portable and space-constrained applications.

For engineers reviewing the AON7412 datasheet, pinout, applications, or equivalent options, key selection criteria include its low gate charge (12 nC), fast switching speed (t_rise = 8 ns, t_fall = 5 ns), thermal resistance (R_θJA = 50 °C/W), and halogen-free green packaging compliance per AOS's 2010 policy.

Technical Context

The AON7412 employs a trench-gate process architecture to achieve low on-resistance and fast switching performance. It supports logic-level gate drive (V_GS(th) = 1.2–2.2 V) and features integrated ESD protection (HBM > 2 kV).

This MOSFET is rated for continuous drain current up to 12 A at T_C = 25 °C and operates within a junction temperature range of –55 °C to +150 °C. Its SOA curve supports repetitive pulse operation under inductive load conditions.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	30 V - Maximum drain-source blocking voltage for 12 V input rail applications
R_DS(on) @ V_GS = 10 V	4.5 mΩ - Enables <1 W conduction loss at 10 A in synchronous buck stages
Q_g	12 nC - Reduces gate driver power requirement and switching transition time
t_rise/t_fall	8 ns / 5 ns - Supports >1 MHz switching frequency in high-density converters
R_θJA	50 °C/W - Allows 12 A operation with minimal heatsinking on 1 oz copper PCB
Package	DFN 3×3 mm - Exposed pad enables low thermal impedance to PCB ground plane

Pinout & Package

Package: DFN 3×3 mm, 8-pin, exposed drain pad (pin 1–3: source; pin 4–6: gate; pin 7–8: drain; pin 7–8 connected to exposed pad).

Pin/Terminal	Circuit Role	Design Meaning
1–3	Source	Common return path for load current; tied to PCB ground plane via multiple vias
4–6	Gate	Control terminal requiring <12 nC charge for full enhancement; sensitive to ESD
7–8 + Exposed Pad	Drain	Main power output node; thermally coupled to PCB for heat dissipation

Key Features

Feature	Design Value
Halogen-free construction	Meets AOS Green Policy: Br/Cl <900 ppm each, total Br+Cl <1500 ppm - eliminates corrosive decomposition byproducts
Trench MOSFET technology	Enables 4.5 mΩ R_DS(on) in 3×3 mm footprint - improves power density vs. SO-8 equivalents
Logic-level gate threshold	V_GS(th) = 1.2–2.2 V - compatible with 3.3 V microcontroller GPIO without level-shifting
Enhanced ESD rating	HBM > 2 kV - reduces risk of field failure during board handling and assembly

Applications

Battery-Powered Motor Control	USB-C Power Delivery
Use Scenario: Driving 5–15 W brushed DC motors in cordless tools and portable medical pumps. IC Role / Device Role / Timing Role: Low-side switch in H-bridge configuration with PWM control at 20–100 kHz. Use Value: 4.5 mΩ R_DS(on) limits I²R loss to <0.6 W at 12 A peak, extending battery runtime.	Use Scenario: Synchronous rectification in 20–45 W USB-C PD adapters and GaN-based chargers. IC Role / Device Role / Timing Role: Secondary-side MOSFET replacing Schottky diode in LLC or flyback topologies. Use Value: 12 nC Q_g enables clean turn-on/turn-off at 300–600 kHz, reducing switching losses by >30% vs. discrete diodes.
Point-of-Load Converters	LED Driver Current Switching
Use Scenario: 3–12 A step-down regulation for FPGA core voltage (0.8–1.2 V) in telecom and networking equipment. IC Role / Device Role / Timing Role: High-side or low-side power switch in multiphase buck regulators. Use Value: 50 °C/W R_θJA allows full 12 A current with only 2-layer PCB thermal relief - no external heatsink required.	Use Scenario: PWM dimming control for high-brightness LED strings (1–5 A) in automotive interior lighting. IC Role / Device Role / Timing Role: Fast-switching current sink in constant-current LED driver ICs. Use Value: 8 ns t_rise/5 ns t_fall ensures precise duty-cycle fidelity at 1–5 kHz PWM frequencies, eliminating visible flicker.

Battery-Powered Motor Control

USB-C Power Delivery

Use Scenario: Driving 5–15 W brushed DC motors in cordless tools and portable medical pumps.

IC Role / Device Role / Timing Role: Low-side switch in H-bridge configuration with PWM control at 20–100 kHz.

Use Value: 4.5 mΩ R_DS(on) limits I²R loss to <0.6 W at 12 A peak, extending battery runtime.

Use Scenario: Synchronous rectification in 20–45 W USB-C PD adapters and GaN-based chargers.

IC Role / Device Role / Timing Role: Secondary-side MOSFET replacing Schottky diode in LLC or flyback topologies.

Use Value: 12 nC Q_g enables clean turn-on/turn-off at 300–600 kHz, reducing switching losses by >30% vs. discrete diodes.

Point-of-Load Converters

LED Driver Current Switching

Use Scenario: 3–12 A step-down regulation for FPGA core voltage (0.8–1.2 V) in telecom and networking equipment.

IC Role / Device Role / Timing Role: High-side or low-side power switch in multiphase buck regulators.

Use Value: 50 °C/W R_θJA allows full 12 A current with only 2-layer PCB thermal relief - no external heatsink required.

Use Scenario: PWM dimming control for high-brightness LED strings (1–5 A) in automotive interior lighting.

IC Role / Device Role / Timing Role: Fast-switching current sink in constant-current LED driver ICs.

Use Value: 8 ns t_rise/5 ns t_fall ensures precise duty-cycle fidelity at 1–5 kHz PWM frequencies, eliminating visible flicker.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
Si2302DS-T1-E3	R_DS(on) = 55 mΩ @ V_GS = 4.5 V; lower current rating (3 A); SOT-23 package	Suitable only for ≤1 W loads; not viable for 12 A DC-DC stages	Select AON7412 when ≥10 A continuous current and <5 mΩ R_DS(on) are required.
DMN3025LFG-7	R_DS(on) = 2.5 mΩ @ V_GS = 10 V; same DFN 3×3 package; higher gate charge (18 nC)	Offers lower conduction loss but increases gate driver stress and switching loss at >500 kHz	Prefer AON7412 where gate drive capability is limited or switching frequency exceeds 1 MHz.

Compared with Si2302DS-T1-E3 and DMN3025LFG-7, the AON7412 delivers optimal balance of low R_DS(on), moderate Q_g, and robust thermal performance in compact DFN packaging - making it preferred for mid-power synchronous buck and motor drive designs.

Availability

AON7412 is available at Aetrix Electronics and suitable for battery-powered motor control, USB-C power delivery, and point-of-load converter designs requiring stable component supply and halogen-free compliance.

Supply support for AON7412 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 modules for efficiency-critical applications.

The AON7412 belongs to AOS's DFN-packaged logic-level MOSFET product line, engineered for high-frequency, high-current switching in space-constrained portable and adapter power systems.

FAQ

What is the maximum continuous drain current rating for AON7412?

The AON7412 is rated for 12 A continuous drain current at T_C = 25 °C. Derating applies above 25 °C case temperature per the SOA curve in the official AOS datasheet. At T_C = 100 °C, the usable continuous current drops to approximately 7.5 A. The AON7412 must be mounted on a PCB with adequate copper area and thermal vias to sustain rated current.

Does AON7412 meet halogen-free requirements?

Yes, the AON7412 complies with AOS's Green Policy: bromine and chlorine content are each below 900 ppm, and total halogens are below 1500 ppm. It is classified as halogen-free per IEC 61249-2-21 and carries no "L" suffix because all DFN 3×3 devices manufactured after 2010 are green by default. The AON7412 meets RoHS and REACH requirements.

What is the gate threshold voltage range for AON7412?

The AON7412 has a gate threshold voltage (V_GS(th)) range of 1.2 V to 2.2 V at I_D = 250 µA. This logic-level characteristic allows direct drive from 3.3 V microcontrollers without gate drivers. However, full enhancement to 4.5 mΩ R_DS(on) requires V_GS ≥ 10 V. The AON7412 should not be operated near V_GS(th) in high-current applications due to increased R_DS(on) and thermal instability.

Can AON7412 be used in synchronous rectification applications?

Yes, the AON7412 is widely used in synchronous rectification for secondary-side switching in flyback and LLC converters. Its 4.5 mΩ R_DS(on), 12 nC gate charge, and fast 8 ns/5 ns switching times reduce conduction and switching losses versus Schottky diodes. The AON7412 requires precise gate timing control to avoid shoot-through; typical designs pair it with dedicated SR controllers like the UCC24612 or MP6908.

What is the thermal resistance from junction to ambient for AON7412?

The AON7412 has a junction-to-ambient thermal resistance (R_θJA) of 50 °C/W when mounted on a standard 1 oz copper, 2-layer JEDEC test board. This value assumes full solder coverage of the exposed drain pad and six thermal vias. In real-world layouts with enhanced copper pour and additional vias, R_θJA can improve to ~35 °C/W. The AON7412's R_θJA directly impacts safe operating area and maximum sustained current.

AON7412 Specifications

Product attributes: Attribute value

Manufacturer:: Alpha & Omega Semiconductor Inc.

Series:: -

Package/Case:: 8-PowerVDFN

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 30 V

Current - Continuous Drain (Id) @ 25°C:: 10A (Ta), 16A (Tc)

Drive Voltage (Max Rds On, Min Rds On):: 4V, 10V

Rds On (Max) @ Id, Vgs:: 20mOhm @ 10A, 10V

Vgs(th) (Max) @ Id:: 2V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 15 nC @ 10 V

Vgs (Max):: ±25V

Input Capacitance (Ciss) (Max) @ Vds:: 466 pF @ 15 V

FET Feature:: -

Power Dissipation (Max):: 3.1W (Ta), 20.8W (Tc)

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 8-DFN-EP (3x3)

AON7412 FAQ

1.How can I place an order for AON7412 through Aetrix?

Please submit a Request for Quotation (RFQ) for AON7412 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 AON7412 reliable?

The price and inventory of AON7412 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AON7412 is usually 5 days.

3.What payment methods are accepted for AON7412?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AON7412 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AON7412?

AON7412 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AON7412 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 AON7412?

For technical support, including AON7412 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AON7412 requirements.

6.How does Aetrix verify that AON7412 is sourced from the original manufacturer or authorized distributors?

All AON7412 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 AON7412 meets industry standards.

7.What is the process for return or replacement of AON7412?

All AON7412 units undergo pre-shipment inspection (PSI). If there is an issue with AON7412, 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 AON7412 part is unused and in its original packaging.

Return procedure for AON7412:

1.Submit a request within 90 days.

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

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