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Product Detailed Parameters
- Description：MOSFET N-CH 1500V 2A TO220FI
- Series：-
- Mfr：onsemi
- Package：Bag
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：1500 V
- Current - Continuous Drain (Id) @ 25°C：2A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：10V
- Rds On (Max) @ Id, Vgs：13Ohm @ 1A, 10V
- Vgs(th) (Max) @ Id：-
- Gate Charge (Qg) (Max) @ Vgs：37.5 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：380 pF @ 30 V
- FET Feature：-
- Power Dissipation (Max)：2W (Ta), 35W (Tc)
- Operating Temperature：150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Supplier Device Package：TO-220FI(LS)
- Package / Case：TO-220-3 Full Pack
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Overview
The onsemi 2SK3745LS is an N-Channel Power MOSFET designed for high-speed switching applications. It features a drain-source voltage rating of 1500V and a continuous drain current of 2A. The device exhibits a maximum on-state resistance (Rds(on)) of 13Ω at a gate-source voltage of 10V. Key electrical parameters include a maximum gate charge of 37.5nC at 10V and a maximum input capacitance of 380pF at 30V. The component supports a maximum power dissipation of 35W when case-mounted and operates up to a junction temperature of +150°C.
Feature Summary
- Engineered for high-speed switching operations
- Low on-state resistance for efficient conduction
- Reduced input capacitance for faster switching transitions
Applications
- High-voltage power supply circuits
- Industrial motor control systems
- Inverter topologies requiring robust blocking capability
Procurement Notes
Verify the specific ordering suffix, such as -1E, against the manufacturer's official datasheet to ensure correct packaging and tape-and-reel specifications. Confirm that the TO-220F-3FS package variant matches the thermal management requirements of the target design. Cross-reference the part number with the latest onsemi documentation to validate active status and availability before finalizing procurement plans.
Selection Notes
Select this component for designs requiring high voltage isolation with moderate current handling capabilities. The 1500V rating provides significant safety margins in high-voltage environments. Evaluate the 13Ω Rds(on) against thermal constraints, as higher resistance may necessitate careful heat sinking strategies compared to lower-resistance alternatives in similar voltage classes.
Part Context
This device belongs to onsemi's portfolio of high-voltage discrete semiconductors. It utilizes a TO-220F-3FS insulated leaded package, which facilitates mounting onto heatsinks while providing electrical isolation from the board. This form factor is standard for through-hole assembly in industrial and consumer power electronics where reliable thermal performance is critical.
Replacement Considerations
Check for direct substitutes within the same voltage and current class. Verify pinout compatibility and thermal characteristics when considering alternative manufacturers. Ensure any replacement maintains the required 1500V breakdown voltage and acceptable on-state resistance levels.
