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Product Detailed Parameters
- Description：MOSFET N-CH 400V 4.2A TO252
- Series：-
- 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)：400 V
- Current - Continuous Drain (Id) @ 25°C：4.2A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：10V
- Rds On (Max) @ Id, Vgs：1.6Ohm @ 1A, 10V
- Vgs(th) (Max) @ Id：4.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：8.5 nC @ 10 V
- Vgs (Max)：±30V
- Input Capacitance (Ciss) (Max) @ Vds：400 pF @ 25 V
- FET Feature：-
- Power Dissipation (Max)：78W (Tc)
- Operating Temperature：-50°C ~ 150°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 AOD5N40 is an N-channel power MOSFET manufactured by Alpha & Omega Semiconductor. It features a drain-source voltage (Vds) of 400 V and a continuous drain current (Id) of 4.2 A at case temperature. The device supports surface mount installation in a TO-252 (DPAK) package with a maximum power dissipation of 78 W at case temperature. It operates within a junction temperature range of -55 °C to 150 °C.
Feature Summary
- High-voltage capability for robust switching applications
- Surface-mount design for compact PCB integration
- Optimized thermal performance for efficient heat dissipation
Applications
- Industrial motor control systems
- Power supply unit designs
- Consumer electronic devices requiring high-voltage switching
Procurement Notes
Verify the specific datasheet revision and ordering suffixes directly with Alpha & Omega Semiconductor or authorized distributors. Confirm that the TO-252 package dimensions and pinout match your PCB footprint requirements. Ensure compliance with RoHS directives if required by your manufacturing standards before finalizing procurement.
Selection Notes
Select this component when a 400 V rating and 4.2 A continuous current capacity are required in a surface-mount form factor. Evaluate the thermal resistance characteristics against your system's cooling capabilities. Compare the on-resistance and gate charge parameters against alternative MOSFETs to ensure optimal efficiency for your specific switching frequency and load conditions.
Part Context
This part belongs to the Alpha & Omega Semiconductor N-channel MOSFET portfolio, designed for general-purpose power switching. The TO-252 package provides a balance between electrical performance and board space efficiency. It serves as a discrete solution for medium-power applications where through-hole mounting is not feasible.
Replacement Considerations
Consult official substitution guides from Alpha & Omega Semiconductor for verified equivalents. Ensure any replacement maintains the 400 V Vds rating and compatible TO-252 package dimensions. Verify that thermal and electrical characteristics meet or exceed original specifications.
