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Product Detailed Parameters
- Description：MOSFET N-CH 30V 15A 8SOIC
- Series：SRFET™
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：30 V
- Current - Continuous Drain (Id) @ 25°C：15A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：9mOhm @ 15A, 10V
- Vgs(th) (Max) @ Id：2.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：32 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：1950 pF @ 15 V
- FET Feature：Schottky Diode (Body)
- Power Dissipation (Max)：3.1W (Ta)
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Package / Case：8-SOIC (0.154", 3.90mm Width)
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Overview
The AO4718 is a 30V N-Channel MOSFET from Alpha & Omega Semiconductor, housed in an 8-SOIC package. It supports a continuous drain current of 15A at 25°C ambient temperature. The device features a maximum gate-source voltage of ±20V and operates within a junction temperature range of -55°C to 150°C. Key electrical parameters include a maximum gate charge of 60nC at 10V and a maximum input capacitance of 2870pF at 30V.
Feature Summary
- N-Channel enhancement mode construction
- Surface-mount 8-SOIC packaging
- High thermal stability up to 150°C junction temperature
Applications
- General purpose switching applications
- Low-side load switching
- PWM control circuits
Procurement Notes
Verify the obsolete status of the AO4718 before procurement planning. Confirm availability through authorized distributors or secondary markets. Ensure substitute components meet identical pinout and electrical specifications for seamless integration into existing designs without circuit modification.
Selection Notes
Select this component for low-voltage switching tasks requiring moderate current handling in compact surface-mount layouts. Evaluate thermal management requirements given the SOIC package constraints. Compare against active series alternatives if long-term supply assurance is critical for the production lifecycle.
Part Context
This part belongs to Alpha & Omega Semiconductor's standard N-Channel MOSFET portfolio. It utilizes trench technology to optimize on-resistance and switching performance. The 8-SOIC form factor provides a balance between power density and ease of automated assembly for consumer and industrial electronics.
Replacement Considerations
Public confirmed substitutes include FDS6680A by onsemi. Verify pin compatibility and parameter equivalence when transitioning to alternative manufacturers.
