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STMicroelectronics STP13NK50Z — Discrete Semiconductors

STP13NK50Z N-Channel MOSFET, 500V, 11A, TO-220, Obsolete

MPNSTP13NK50Z
Obsolete

STMicroelectronics SuperMESH N-Channel MOSFET, STP13NK50Z, 500V Vdss, 11A Id, 480mOhm Rds(on) at 10V, TO-220-3, -55°C to 150°C junction temperature.

Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

STP13NK50Z specifications
ParameterValue
SeriesSuperMESH™
FET typeN-Channel
MountingThrough Hole
Drain to source voltage500 V
Drive voltage (Max rds on, min rds on)10V
Current - continuous drain (Id) @ 25°C11A (Tc)
Power dissipation140W (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, vgs480mOhm @ 6.5A, 10V
Gate charge (Qg) (Max) @ vgs47 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds1600 pF @ 25 V

Product details

500 V SuperMESH N-channel in TO-220 — what it was designed for

The STP13NK50Z is an STMicroelectronics SuperMESH N-channel power MOSFET in a through-hole TO-220-3 package.

Obsolete — sourcing reality and the replacement question

The maximum gate threshold is 4.5 V at 100 µA drain current, so a logic-level 5 V signal will not fully enhance the channel — the Rds(on) will be significantly higher than the 480 mOhm figure. Designs that use this part need a gate driver capable of sourcing 10 V.

Frequently asked questions

What is the replacement for STP13NK50Z?

A parametric search for a 500 V N-channel MOSFET in TO-220 with similar Rds(on) and gate charge is the practical cross-reference approach.

What is the Rds(on) of STP13NK50Z?

The maximum Rds(on) is 480 mOhm at a drain current of 6.5 A with a 10 V gate-to-source drive.