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Product Detailed Parameters
- Description：MOSFET P-CH 30V 12.5A 8SOIC
- Series：-
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- FET Type：P-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：30 V
- Current - Continuous Drain (Id) @ 25°C：12.5A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：12mOhm @ 12.5A, 20V
- Vgs(th) (Max) @ Id：3V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：52 nC @ 10 V
- Vgs (Max)：±25V
- Input Capacitance (Ciss) (Max) @ Vds：2900 pF @ 15 V
- FET Feature：-
- Power Dissipation (Max)：3W (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 AO4427 is a P-Channel Enhancement Mode Field Effect Transistor manufactured by Alpha & Omega Semiconductor. It utilizes advanced trench technology to achieve low on-resistance and ultra-low gate charge, featuring a 25V gate rating. The device is designed for load switch and PWM applications. Key electrical parameters include a drain-source voltage of -30V, continuous drain current of -12.5A at VGS=-20V, and maximum power dissipation of 3W at 25°C ambient temperature. It operates within a junction temperature range of -55°C to 150°C.
Feature Summary
- Advanced trench technology provides excellent RDS(ON) performance.
- Ultra-low gate charge with a 25V gate rating.
- ESD protected with a 2KV HBM rating.
- 100% UIS and Rg tested.
Applications
- Load switch
- PWM applications
Procurement Notes
Verify the component against the official Alpha & Omega Semiconductor datasheet Rev8 (Nov. 2010). Confirm that the part is designated for the consumer market and not authorized for life support devices or systems. Ensure the package matches the SOIC-8 specification and check for RoHS compliance status as indicated in the manufacturer's documentation.
Selection Notes
Select this component for designs requiring a P-Channel MOSFET with a -30V breakdown voltage and high current handling up to -12.5A. Consider the thermal characteristics, specifically the steady-state junction-to-ambient thermal resistance, when designing the PCB layout. The device is suitable for applications needing fast switching speeds and low gate drive requirements due to its ultra-low gate charge.
Part Context
The AO4427 belongs to the Alpha & Omega Semiconductor lineup of power MOSFETs. It is packaged in an SOIC-8 footprint. The product is qualified for the consumer market. The datasheet specifies that the RθJA value is measured on a 1in² FR-4 board with 2oz copper in still air at 25°C.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided source material.
FAQ
What is the maximum gate-source voltage rating?
The maximum gate-source voltage is ±25V.
Is the AO4427 suitable for critical components in life support devices?
No, the product is designed and qualified for the consumer market only. Applications as critical components in life support devices or systems are not authorized.
