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STMicroelectronics STP4N52K3 — Discrete Semiconductors

STP4N52K3 N-Channel MOSFET, 525 V, 2.5 A, TO-220

MPNSTP4N52K3
Active

STMicroelectronics SuperMESH3™ N-channel MOSFET, 525 V Vdss, 2.5 A continuous drain, 2.6 Ohm Rds(on) at 10 V, 11 nC gate charge, TO-220-3 through-hole package.

$1.4900Ref. price · indicative, final on quote
PackagingTO-220-3
RoHSROHS3 Compliant
SeriesSuperMESH3™
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

STP4N52K3 specifications
ParameterValue
SeriesSuperMESH3™
FET typeN-Channel
MountingThrough Hole
Drain to source voltage525 V
Drive voltage (Max rds on, min rds on)10V
Current - continuous drain (Id) @ 25°C2.5A (Tc)
Power dissipation45W (Tc)
Operating temperature150°C(TJ)
PackageTube
Vgs±30V
TechnologyMOSFET (Metal Oxide)
CaseTO-220-3
Vgs(th) (Max) @ id4.5V @ 50µA
Rds on (Max) @ id, vgs2.6Ohm @ 1.25A, 10V
Gate charge (Qg) (Max) @ vgs11 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds334 pF @ 100 V

Product details

525 V N-channel MOSFET in a TO-220 — what it handles

STP4N52K3 N-channel MOSFET, 525 V Vdss, 2.5 A continuous drain, 2.6 Ohm Rds(on) at 10 V, TO-220-3 package.

Gate charge is 11 nC at 10 V. Input capacitance is 334 pF at 100 V Vds.

Thermal budget in a TO-220

Maximum power dissipation is 45 W at case temperature. Junction temperature rating is 150°C.

Frequently asked questions

What is the Rds(on) of STP4N52K3?

The maximum on-resistance is 2.6 Ohm at 1.25 A drain current with 10 V gate drive. This is the conduction loss figure used for thermal and efficiency calculations in the switching converter.