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STMicroelectronics STP12N120K5 — Discrete Semiconductors

STP12N120K5 MOSFET, 1200 V, 12 A

MPNSTP12N120K5
Active

STMicroelectronics MDmesh™ K5 series, N-Channel MOSFET, 1200 V Vdss, 12 A continuous drain, 690 mOhm Rds(on) at 6 A, 10 V, TO-220-3 through-hole package, -55°C to 150°C junction temperature.

$11.9800Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

STP12N120K5 specifications
ParameterValue
SeriesMDmesh™ K5
FET typeN-Channel
MountingThrough Hole
Drain to source voltage1200 V
Drive voltage (Max rds on, min rds on)10V
Current - continuous drain (Id) @ 25°C12A (Tc)
Power dissipation250W (Tc)
Operating temperature-55°C~150°C(TJ)
PackageTube
Vgs±30V
TechnologyMOSFET (Metal Oxide)
CaseTO-220-3
Vgs(th) (Max) @ id5V @ 100µA
Rds on (Max) @ id, vgs690mOhm @ 6A, 10V
Gate charge (Qg) (Max) @ vgs44.2 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds1370 pF @ 100 V

Product details

The STP12N120K5: Total gate charge is 44.2 nC at 10 V. A 10 V drive rail is required to achieve the rated Rds(on); the gate is rated for ±30 V maximum.

Thermal and environmental range

Input capacitance is 1370 pF at 100 V drain-source.

Frequently asked questions

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