FQP17N40

Single FETs, MOSFETs Overview

The FQP17N40 is an N-channel enhancement mode MOSFET from onsemi's QFET series, designed for high-voltage switching applications. It features a maximum drain-source voltage (Vds) of 400 V and a continuous drain current (Id) of 17 A at case temperature. The device exhibits a maximum on-resistance (Rds(on)) of 250 mΩ at Vgs = 10 V. Packaged in a TO-220-3 through-hole housing, it supports a power dissipation of 180 W and operates within a junction temperature range of -55°C to +150°C.

Single FETs, MOSFETs Feature Summary

• High-voltage capability with 400 V breakdown rating suitable for demanding power environments
• Low on-resistance design minimizes conduction losses during operation
• Optimized gate charge characteristics facilitate efficient switching performance
• Robust thermal management enabled by the TO-220 package construction

Single FETs, MOSFETs Applications

• Switch mode power supplies
• PWM motor control circuits
• DC-DC converters
• Bridge circuit implementations

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix code against the manufacturer datasheet to confirm exact electrical tolerances and packaging variations. Ensure the component meets RoHS compliance requirements for your target market. Confirm availability status as product lifecycles may change. Cross-reference pinout configurations with your PCB layout specifications before finalizing procurement decisions.

Single FETs, MOSFETs Selection Notes

Select this component when designing circuits requiring 400 V blocking voltage and moderate current handling up to 17 A. The low Rds(on) value makes it suitable for efficiency-critical power conversion stages. Consider the TO-220 package constraints regarding thermal resistance and mounting space. Evaluate gate drive requirements against the specified total gate charge to ensure adequate switching speed without excessive driver loss.

Single FETs, MOSFETs Part Context

This part belongs to onsemi's QFET family, which utilizes advanced planar technology to achieve superior performance compared to older generation devices. The FQP17N40 represents a balance between voltage rating and current capacity, targeting general-purpose high-voltage switching tasks where reliability and thermal stability are paramount.

Single FETs, MOSFETs Replacement Considerations

Direct substitutes include FDP17N40 and NTP17N40, which share similar electrical specifications and pinouts. Verify compatibility with existing thermal management solutions when swapping between these variants.