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Product Detailed Parameters
- Description：MOSFET N-CH 80V 8.5A/53A TO252
- Series：SDMOS™
- 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)：80 V
- Current - Continuous Drain (Id) @ 25°C：8.5A (Ta), 53A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：7V, 10V
- Rds On (Max) @ Id, Vgs：15.5mOhm @ 20A, 10V
- Vgs(th) (Max) @ Id：4.2V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：34 nC @ 10 V
- Vgs (Max)：±25V
- Input Capacitance (Ciss) (Max) @ Vds：2005 pF @ 40 V
- FET Feature：-
- Power Dissipation (Max)：2.5W (Ta), 100W (Tc)
- Operating Temperature：-55°C ~ 175°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：TO-252 (DPAK)
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
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Overview
The AOD4182 is an N-channel enhancement-mode Power MOSFET manufactured by Alpha & Omega Semiconductor. It features a drain-source voltage (Vdss) of 80 V and a continuous drain current (Id) of 8.5 A at 25°C, rising to 53 A at case temperature. The device utilizes a DPAK (TO-252) surface-mount package with a maximum power dissipation of 2.5 W at ambient temperature and 62.5 W at case temperature. It operates within a junction temperature range of -55°C to 175°C.
Feature Summary
- N-channel enhancement-mode construction for efficient switching applications
- Low on-resistance characteristics optimized for power efficiency
- Robust thermal performance in a standard DPAK surface-mount package
Applications
- DC-DC converter circuits
- Power management systems
- Motor control interfaces
Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm the specific manufacturing date code and lot traceability against the datasheet specifications. Ensure storage conditions comply with moisture sensitivity levels to prevent package damage prior to soldering. Validate that the received units match the exact part number designation without unauthorized suffix variations.
Selection Notes
Select this component for designs requiring 80 V blocking capability with moderate current handling in a compact footprint. Evaluate thermal resistance parameters against the system's heat dissipation requirements. Consider the gate charge characteristics for driving circuit compatibility. Verify that the operating voltage and current limits remain within safe boundaries under all expected load conditions.
Part Context
This discrete semiconductor belongs to the Alpha & Omega Semiconductor MOSFET portfolio. It is designed as a single N-channel field-effect transistor for general-purpose power switching. The manufacturer specializes in high-performance discrete semiconductors for industrial and consumer electronics markets.
Replacement Considerations
The AOD4182 is listed as obsolete. The AOD2816 is identified as a similar available substitute from the same manufacturer. Verify electrical parameter compatibility before implementation.
