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Infineon Technologies SPI16N50C3

Infineon SPI16N50C3 CoolMOS™ N-Channel MOSFET, 500V 16A

MPNSPI16N50C3
End of Life

Infineon CoolMOS™ series, SPI16N50C3, N-Channel MOSFET, 500V Vdss, 16A continuous drain, 280mOhm Rds(on) at 10V, 66nC gate charge, TO-262-3 (I²Pak) through-hole package, -55°C to 150°C junction temperature.

$1.04Ref. price · indicative, final on quote
Infineon Technologies SPI16N50C3 datasheet (PDF)
PackagingTO-262-3 Long Leads, I²Pak, TO-262AA
RoHSROHS3 Compliant
SeriesCoolMOS™
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

SPI16N50C3 specifications
ParameterValue
SeriesCoolMOS™
FET typeN-Channel
MountingThrough Hole
Drain to source voltage500 V
Drive voltage (Max rds on, min rds on)10V
Current - continuous drain (Id) @ 25°C16A (Tc)
Power dissipation160W (Tc)
Operating temperature-55°C ~ 150°C (TJ)
PackageBulk
Vgs±20V
TechnologyMOSFET (Metal Oxide)
CaseTO-262-3 Long Leads, I²Pak, TO-262AA
Vgs(th) (Max) @ id3.9V @ 675µA
Rds on (Max) @ id, vgs280mOhm @ 10A, 10V
Gate charge (Qg) (Max) @ vgs66 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds1600 pF @ 25 V

Product details

500 V, 16 A N-channel CoolMOS™ — what the ratings mean for the power stage

The Infineon SPI16N50C3 is a 500 V, 16 A N-channel power MOSFET from the CoolMOS™ series. It comes in a TO-262-3 (I²Pak) through-hole package with long leads, rated for a junction temperature range of -55°C to 150°C.

The 280 mOhm maximum on-resistance at 10 A, 10 V gate drive sets the conduction loss anchor for heatsink design.

ROHS3 compliant. For a BOM freeze or a production ramp, this part does not trigger last-time-buy urgency.

Mounting and thermal — through-hole with a tab

The TO-262-3 (I²Pak) package is a through-hole variant with long leads, designed for mounting on a PCB with the metal tab either soldered to a copper island or clamped to a separate heatsink. The 160 W maximum power dissipation at case temperature assumes the tab is held at 25°C — in practice, a forced-air heatsink with thermal resistance below 1°C/W is needed to stay inside the 150°C junction limit at full rated current. The PG-TO262-3-1 supplier package code matches the standard I²Pak footprint.

Frequently asked questions

What is the Rds(on) of SPI16N50C3?

The maximum on-resistance is 280 mOhm at 10 A drain current with 10 V gate-source drive.

What is the drain current rating of SPI16N50C3?

The continuous drain current rating is 16 A at a case temperature of 25°C. Derate for higher case temperatures per the thermal derating curve in the datasheet.

What is the closest pin-compatible alternative to SPI16N50C3 in this component family?

No official pin-compatible alternate is listed in the cross-reference for this specific order code. The CoolMOS™ series includes other 500 V / 16 A devices in similar packages, but each requires a comparison of Rds(on), gate charge, and thermal performance before substitution. Qualification of any substitute should include a switching-loss and thermal comparison against the 280 mOhm / 66 nC baseline of the SPI16N50C3.