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STMicroelectronics STP17NK40Z — Discrete Semiconductors

STP17NK40Z N-Channel MOSFET, 400 V, 15 A, TO-220-3, Obsolete

MPNSTP17NK40Z
Obsolete

STMicroelectronics SuperMESH N-Channel MOSFET, 400 V, 15 A (Tc), 250 mOhm Rds(on) @ 10 V, 65 nC gate charge, TO-220-3 through hole, -55°C to 150°C junction.

$3.2000Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

STP17NK40Z specifications
ParameterValue
SeriesSuperMESH™
FET typeN-Channel
MountingThrough Hole
Drain to source voltage400 V
Drive voltage (Max rds on, min rds on)10V
Current - continuous drain (Id) @ 25°C15A (Tc)
Power dissipation150W (Tc)
Operating temperature-55°C~150°C(TJ)
PackageTube
Vgs±30V
TechnologyMOSFET (Metal Oxide)
CaseTO-220-3
Vgs(th) (Max) @ id4.5V @ 100µA
Rds on (Max) @ id, vgs250mOhm @ 7.5A, 10V
Gate charge (Qg) (Max) @ vgs65 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds1900 pF @ 25 V

Product details

The STP17NK40Z: Gate charge of 65 nC at 10 V and input capacitance of 1900 pF at 25 V drain-source.

Through-hole TO-220 — thermal and mounting considerations

TO-220-3 through-hole package with tab as drain terminal. 150 W power dissipation (Tc) assumes tab bolted to heatsink with thermal compound.

Frequently asked questions

Is STP17NK40Z obsolete?

Yes, STMicroelectronics lists the STP17NK40Z as Obsolete.

Where can I buy STP17NK40Z?

Submit an RFQ for current availability and pricing — stock and price are confirmed at quote time.