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Infineon Technologies IPA90R1K2C3XKSA2 — Discrete Semiconductors

Infineon IPA90R1K2C3XKSA2 CoolMOS N-Ch MOSFET, 900V, 5.1A

MPNIPA90R1K2C3XKSA2
Active

Infineon CoolMOS™ IPA90R1K2C3XKSA2, N-Channel MOSFET, 900 V Vdss, 5.1 A continuous drain, 1.2 Ohm Rds(on) at 2.8 A, 10 V, 28 nC gate charge, TO-220-3 Full Pack, -55 to 150 °C.

$1.8200Ref. price · indicative, final on quote
Infineon Technologies IPA90R1K2C3XKSA2 datasheet (PDF)
PackagingTO-220-3 Full Pack
RoHSROHS3 Compliant
SeriesCoolMOS™
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

IPA90R1K2C3XKSA2 specifications
ParameterValue
SeriesCoolMOS™
FET typeN-Channel
MountingThrough Hole
Drain to source voltage900 V
Drive voltage (Max rds on, min rds on)10V
Current - continuous drain (Id) @ 25°C5.1A (Tc)
Power dissipation31W (Tc)
Operating temperature-55°C ~ 150°C (TJ)
PackageTube
Vgs±20V
TechnologyMOSFET (Metal Oxide)
CaseTO-220-3 Full Pack
Vgs(th) (Max) @ id3.5V @ 310µA
Rds on (Max) @ id, vgs1.2Ohm @ 2.8A, 10V
Gate charge (Qg) (Max) @ vgs28 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds710 pF @ 100 V

Product details

The 900 V Vdss gives headroom for offline flyback and PFC stages operating from rectified 230 VAC or three-phase 400 VAC rails — the 900 V rating covers line transients without derating. Gate charge of 28 nC at 10 V is moderate — a standard MOSFET driver with 1 A peak source/sink can switch this device at 100 kHz with acceptable crossover losses. Input capacitance of 710 pF at 100 V Vds keeps the drive energy low.

Maximum power dissipation is 31 W at case temperature, limited by the junction-to-case thermal resistance.

It is ROHS3 compliant.

Frequently asked questions

What is the closest functional second-source for IPA90R1K2C3XKSA2?

The Infineon IPD50R950CEAUMA1 is a CoolMOS CE N-channel MOSFET with a 500 V Vdss and 950 mOhm Rds(on) in a surface-mount DPAK package. It is not a direct pin-compatible replacement — the voltage class and package differ — but it covers a similar power range for designs that can accept a lower drain-source rating and surface-mount assembly.

Is IPA90R1K2C3XKSA2 compatible with a standard TO-220 footprint?

Yes, the TO-220 Full Pack uses the same 3-lead through-hole footprint as a standard TO-220. The body is slightly thicker and the tab is fully isolated, so the mounting hole pattern and lead spacing match.