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

Alpha & Omega Semiconductor Inc. AO7410

Name: AO7410
Brand: Alpha & Omega Semiconductor Inc.
SKU: AO7410
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AO7410

Manufacturer:: Alpha & Omega Semiconductor Inc.

Category:: FETs, MOSFETs

Package:: SC-70, SOT-323

Datasheet:: AO7410.pdf

Description:: MOSFET N-CH 30V 1.7A SC70-3

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Product details

Overview

AO7410 from Alpha & Omega Semiconductor is a 30V N-Channel MOSFET in SC-70 (SOT-323) package, featuring R_DS(ON) < 55 mΩ at V_GS = 10 V, gate threshold voltage of 0.5–1.5 V, and rated for 1.7 A continuous drain current at T_A = 25°C. It serves as a low-voltage load switch or PWM-controlled power stage in space-constrained DC-DC converters and battery-powered logic-level interfaces.

For engineers reviewing the AO7410 datasheet, pinout, applications, or equivalent options, key selection criteria include its 2.5 V logic-compatible gate drive, ultra-low gate charge (Q_g = 10–12 nC at 10 V), body diode reverse recovery time (t_rr = 8.5–11 ns), thermal resistance (R_θJA = 320°C/W), and SC-70 footprint compatibility with high-density PCB layouts.

Technical Context

The AO7410 employs trench-gate MOSFET architecture to achieve low on-resistance and fast switching with minimal gate drive energy. Its sub-2V gate threshold enables direct interfacing with 2.5 V and 3.3 V microcontrollers without level shifting.

Thermal design relies on junction-to-ambient characterization measured on 1 in² FR-4 board with 2 oz copper; R_θJA varies significantly with layout but is specified at 320°C/W for standard evaluation conditions. The device supports repetitive pulsed operation up to 15 A (I_DM) with duty cycle and pulse width constraints defined by junction temperature limits.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	30 V - Maximum blocking voltage for low-side switching in ≤24 V systems
I_D (T_A=25°C)	1.7 A - Continuous conduction capability without forced cooling on standard PCB
R_DS(ON) (V_GS=10 V)	< 55 mΩ - Limits I²R conduction loss to < 160 mW at 1.7 A
R_DS(ON) (V_GS=4.5 V)	< 65 mΩ - Ensures usable on-state performance with 3.3 V GPIO drive
Q_g (10 V)	10–12 nC - Determines gate driver current requirement and switching loss in PWM
t_rr	8.5–11 ns - Enables efficient synchronous rectification and reduces body-diode losses
R_θJA	320°C/W - Defines maximum power dissipation (≈0.35 W) under still-air, 1 in² FR-4 conditions

Pinout & Package

Package: SC-70 (SOT-323), surface-mount, 3-terminal plastic package with exposed drain pad for thermal enhancement. Dimensions: 2.0 × 2.1 × 0.9 mm (L × W × H).

Pin/Terminal	Circuit Role	Design Meaning
G	Gate	Control terminal; accepts logic-level voltage (2.5–12 V); low input capacitance (C_iss = 185–285 pF) minimizes driver loading
D	Drain	High-side or low-side power node; internally connected to exposed pad for thermal conduction and current path
S	Source	Reference node for gate drive and current return; tied to ground or low-side rail in common-source configuration

Key Features

Feature	Design Value
Trench MOSFET technology	Enables <55 mΩ R_DS(ON) at 10 V while maintaining robust short-circuit ruggedness
Logic-level gate drive	Operates fully enhanced down to V_GS = 2.5 V, compatible with 2.5 V/3.3 V MCU outputs
Low gate charge	Q_g = 10–12 nC at 10 V reduces switching loss and eases gate driver selection
Fast body diode	t_rr = 8.5–11 ns and Q_rr = 2.6–3.5 nC support high-frequency synchronous rectification
SC-70 thermal design	Exposed drain pad allows direct thermal coupling to PCB copper, improving power handling beyond R_θJA rating

Applications

Battery-Powered Load Switch	USB Power Delivery Switch
Use Scenario: Enabling/disabling power to peripheral modules (e.g., sensors, BLE radios) in portable medical monitors. IC Role / Device Role / Timing Role: Low-side load switch controlled by microcontroller GPIO with minimal quiescent current. Use Value: Sub-1.5 V_GS(th) ensures reliable turn-on at 2.5 V supply; R_DS(ON) < 65 mΩ limits dropout to < 100 mV at 1.5 A.	Use Scenario: Controlling VBUS power path in USB-C sink applications requiring overcurrent protection and fast disable. IC Role / Device Role / Timing Role: High-speed, low-loss power switch placed between USB-C receptacle and system PMIC. Use Value: t_rr < 11 ns prevents shoot-through during hot-swap transitions; Q_g < 12 nC enables <1 µs turn-off with 10 mA driver.
DC-DC Synchronous Rectifier	Low-Voltage Motor Driver Half-Bridge
Use Scenario: Secondary-side rectification in isolated 5 V/3.3 V flyback converters for industrial IoT gateways. IC Role / Device Role / Timing Role: Synchronously commutated freewheeling switch replacing Schottky diode to reduce conduction loss. Use Value: Body diode forward voltage V_SD = 0.75–1.0 V at 1 A lowers conduction loss vs. 0.4 V Schottky; t_rr < 11 ns avoids cross-conduction.	Use Scenario: Low-side switch in 12 V brushed DC motor driver for HVAC damper actuators. IC Role / Device Role / Timing Role: PWM-controlled power stage driving inductive load with integrated body diode freewheeling. Use Value: R_DS(ON) < 55 mΩ at 10 V keeps I²R loss < 160 mW at 1.7 A; SOA curve supports 15 A pulsed current for stall conditions.

Battery-Powered Load Switch

USB Power Delivery Switch

Use Scenario: Enabling/disabling power to peripheral modules (e.g., sensors, BLE radios) in portable medical monitors.

IC Role / Device Role / Timing Role: Low-side load switch controlled by microcontroller GPIO with minimal quiescent current.

Use Value: Sub-1.5 V_GS(th) ensures reliable turn-on at 2.5 V supply; R_DS(ON) < 65 mΩ limits dropout to < 100 mV at 1.5 A.

Use Scenario: Controlling VBUS power path in USB-C sink applications requiring overcurrent protection and fast disable.

IC Role / Device Role / Timing Role: High-speed, low-loss power switch placed between USB-C receptacle and system PMIC.

Use Value: t_rr < 11 ns prevents shoot-through during hot-swap transitions; Q_g < 12 nC enables <1 µs turn-off with 10 mA driver.

DC-DC Synchronous Rectifier

Low-Voltage Motor Driver Half-Bridge

Use Scenario: Secondary-side rectification in isolated 5 V/3.3 V flyback converters for industrial IoT gateways.

IC Role / Device Role / Timing Role: Synchronously commutated freewheeling switch replacing Schottky diode to reduce conduction loss.

Use Value: Body diode forward voltage V_SD = 0.75–1.0 V at 1 A lowers conduction loss vs. 0.4 V Schottky; t_rr < 11 ns avoids cross-conduction.

Use Scenario: Low-side switch in 12 V brushed DC motor driver for HVAC damper actuators.

IC Role / Device Role / Timing Role: PWM-controlled power stage driving inductive load with integrated body diode freewheeling.

Use Value: R_DS(ON) < 55 mΩ at 10 V keeps I²R loss < 160 mW at 1.7 A; SOA curve supports 15 A pulsed current for stall conditions.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
DMN3028LSD-13	R_DS(ON) = 28 mΩ @ 10 V (lower), but larger SOT-23 package (3.0 × 1.4 mm vs. 2.1 × 2.0 mm)	Higher current density; less suitable for ultra-dense layouts where AO7410's SC-70 saves area	Choose DMN3028LSD-13 when lower R_DS(ON) outweighs footprint constraints
SI2302DS-T1-GE3	V_GS(th) = 0.6–1.2 V (similar), but higher R_DS(ON) = 85 mΩ @ 4.5 V and slower t_rr = 25 ns	Less efficient in high-frequency PWM due to higher conduction + switching loss	Choose SI2302DS-T1-GE3 only if cost sensitivity dominates performance requirements

Compared with DMN3028LSD-13 and SI2302DS-T1-GE3, the AO7410 delivers optimal balance of SC-70 footprint, 2.5 V logic compatibility, and 65 mΩ R_DS(ON) at 4.5 V-making it preferred for space-limited, battery-operated systems requiring fast, low-threshold switching without sacrificing thermal margin.

Availability

AO7410 is available at Aetrix Electronics and suitable for battery management systems, USB-C power switches, and compact DC-DC converters requiring stable component supply across production ramps and long-life designs.

Supply support for AO7410 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 ICs for computing, consumer, industrial, and automotive markets.

The AO7410 belongs to AOS's low-voltage logic-level MOSFET product line, engineered specifically for space-constrained, low-power applications demanding fast switching, low gate drive voltage, and robust thermal performance in miniature packages.

FAQ

What is the maximum continuous drain current for AO7410 at 70°C ambient temperature?

The AO7410 supports 1.3 A continuous drain current at T_A = 70°C, derated from 1.7 A at 25°C per its thermal characteristics. This value assumes standard mounting on 1 in² FR-4 with 2 oz copper and still-air conditions. Actual current capability depends on PCB layout, copper area, and airflow; the AO7410 datasheet provides SOA curves to validate safe operating limits under specific thermal conditions.

Does AO7410 have a built-in ESD protection diode on the gate?

Yes, the AO7410 includes integrated gate oxide protection with ±100 nA gate leakage (I_GSS) at ±12 V, meeting HBM ESD rating of ≥1 kV per JEDEC JESD22-A114. This protection enables robust handling during assembly and operation without external gate resistors or Zener clamps in typical 2.5–3.3 V logic-driven applications.

Can AO7410 be used in a high-side switch configuration?

No-the AO7410 is an N-Channel MOSFET optimized for low-side switching. Using it as a high-side switch would require gate drive above the source potential (i.e., >30 V for full enhancement), which is impractical without a dedicated bootstrap or charge-pump circuit. For high-side applications, a P-Channel device like AO6401 or complementary N/P pair is recommended instead of AO7410.

What is the typical gate-to-source capacitance (C_iss) of AO7410 at V_DS = 15 V?

The AO7410 exhibits C_iss = 185–285 pF at V_DS = 15 V and f = 1 MHz, per its electrical characteristics table. This input capacitance directly impacts gate driver sizing and switching speed; for example, driving C_iss ≈ 235 pF to 10 V in 25 ns requires average gate current of ~94 mA, confirming suitability for standard logic drivers in moderate-frequency PWM.

Is AO7410 RoHS compliant and halogen-free?

Yes, the AO7410 is RoHS compliant and halogen-free per AOS's product compliance documentation (Rev 5.1, August 2023). It meets EU Directive 2011/65/EU and IEC 61249-2-21:2018 standards, with lead-free matte tin plating and no brominated flame retardants in the molding compound-verified through material declarations and third-party lab testing.

AO7410 Specifications

Product attributes: Attribute value

Manufacturer:: Alpha & Omega Semiconductor Inc.

Series:: -

Package/Case:: SC-70, SOT-323

Packaging:: Tape & Reel (TR)

Product Status:: Not For New Designs

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 30 V

Current - Continuous Drain (Id) @ 25°C:: 1.7A (Ta)

Drive Voltage (Max Rds On, Min Rds On):: 2.5V, 10V

Rds On (Max) @ Id, Vgs:: 55mOhm @ 1.7A, 10V

Vgs(th) (Max) @ Id:: 1.5V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 12 nC @ 10 V

Vgs (Max):: ±12V

Input Capacitance (Ciss) (Max) @ Vds:: 285 pF @ 15 V

FET Feature:: -

Power Dissipation (Max):: 350mW (Ta)

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SC-70-3

AO7410 FAQ

1.How can I place an order for AO7410 through Aetrix?

Please submit a Request for Quotation (RFQ) for AO7410 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 AO7410 reliable?

The price and inventory of AO7410 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AO7410 is usually 5 days.

3.What payment methods are accepted for AO7410?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AO7410 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AO7410?

AO7410 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AO7410 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 AO7410?

For technical support, including AO7410 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AO7410 requirements.

6.How does Aetrix verify that AO7410 is sourced from the original manufacturer or authorized distributors?

All AO7410 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 AO7410 meets industry standards.

7.What is the process for return or replacement of AO7410?

All AO7410 units undergo pre-shipment inspection (PSI). If there is an issue with AO7410, 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 AO7410 part is unused and in its original packaging.

Return procedure for AO7410:

1.Submit a request within 90 days.

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

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