ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：MOSFET N-CH 30V 18A 8SOIC
- Series：-
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR)
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：30 V
- Current - Continuous Drain (Id) @ 25°C：18A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：6.5mOhm @ 18A, 10V
- Vgs(th) (Max) @ Id：2.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：36 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：1900 pF @ 15 V
- FET Feature：-
- Power Dissipation (Max)：3.1W (Tc)
- 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)
Download product information
Overview
The AO4494L is an N-Channel Enhancement Mode Field Effect Transistor manufactured by Alpha & Omega Semiconductor Inc. It features a drain-source voltage (Vdss) of 30 V and a continuous drain current (Id) of 12 A at 25°C. The device has a maximum gate-source voltage (Vgs) of ±20 V and a threshold voltage (Vgs(th)) of 2.1 V @ 250µA. Key electrical parameters include a maximum on-resistance (Rds(on)) of 7.5 mΩ @ 10 V, a gate charge (Qg) of 18 nC @ 10 V, and an input capacitance (Ciss) of 650 pF @ 15 V. It operates within a junction temperature range of -55°C to 150°C.
Feature Summary
- N-channel enhancement mode field effect transistor configuration
- Logic-level gate drive capability for efficient switching
- Low on-resistance for reduced conduction losses
- Surface-mount packaging for automated assembly
Applications
- DC-DC converters
- Synchronous rectification circuits
- Load switches
- Power management systems
Procurement Notes
Verify the specific suffix 'L' against the manufacturer's official datasheet to confirm pinout and electrical specifications match the design requirements. Ensure the component is sourced from authorized distributors to guarantee authenticity and traceability. Check for RoHS compliance status in the latest documentation before integration into regulated products.
Selection Notes
Select this component for low-voltage applications requiring high current handling with minimal voltage drop. The logic-level gate drive simplifies driver circuit design compared to standard threshold devices. Consider the thermal performance and package type when designing heat dissipation strategies for high-current operation.
Part Context
The AO4494L belongs to the family of N-Channel MOSFETs produced by Alpha & Omega Semiconductor Inc. This series is designed for power management applications where efficiency and compact size are critical. The device utilizes advanced trench technology to achieve low on-resistance and fast switching speeds.
Replacement Considerations
Direct substitutes may include AO4494 or other 30V N-Channel MOSFETs with similar current and resistance ratings. Verify pin compatibility and electrical parameters before substitution. Consult the manufacturer's cross-reference guide for approved alternatives.
