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Product Detailed Parameters
- Description：MOSFET N-CH 600V 37A TO263
- Series：aMOS™
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR)
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：600 V
- Current - Continuous Drain (Id) @ 25°C：37A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：10V
- Rds On (Max) @ Id, Vgs：109mOhm @ 21A, 10V
- Vgs(th) (Max) @ Id：3.8V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：40 nC @ 10 V
- Vgs (Max)：±30V
- Input Capacitance (Ciss) (Max) @ Vds：2154 pF @ 100 V
- FET Feature：-
- Power Dissipation (Max)：417W (Tc)
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：TO-263 (D2PAK)
- Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
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Overview
The AOB42S60L is a surface-mount N-channel power MOSFET from Alpha & Omega Semiconductor, utilizing the advanced αMOSTM high voltage process. It features a 600V drain-source voltage rating and supports a continuous drain current of 37A at case temperature. The device offers a maximum on-resistance of 109 milliohms at 10V gate drive. Key electrical characteristics include a typical gate charge of 40nC and an output energy loss of 9.2µJ at 400V. It is housed in a TO-263 (D2PAK) package and is designed for robust switching performance.
Feature Summary
- Fabricated using advanced αMOSTM high voltage process technology for enhanced performance
- Guaranteed avalanche capability with 100% UIS testing for reliability
- Optimized low RDS(on), gate charge, and Eoss for efficient switching applications
Applications
- Offline power supply designs
- Existing offline power supply upgrades
- High voltage switching circuits
Procurement Notes
Verify the part number suffix 'L' indicates Halogen Free compliance as specified by the manufacturer. Confirm the package type matches the required TO-263 footprint. Check the datasheet revision date to ensure alignment with current manufacturing specifications. Validate that the component status is active for new designs if applicable.
Selection Notes
Select this component for applications requiring high voltage isolation and robust avalanche ruggedness. The TO-263 package suits surface-mount assembly processes. Ensure thermal management meets the requirements for 37A continuous current operation. Compare gate charge and on-resistance values against system efficiency targets.
Part Context
The AOB42S60L belongs to the aMOS family of power transistors. It shares design similarities with the through-hole variant AOT42S60L but utilizes a surface-mount package. The 'L' suffix denotes Halogen Free construction. This series is engineered for offline power supplies where switching losses and ruggedness are critical parameters.
Replacement Considerations
The AOT42S60L is a direct functional equivalent in a different package. Verify pinout compatibility when substituting between surface-mount and through-hole variants. Ensure thermal resistance characteristics align with the PCB layout constraints.
