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Infineon Technologies SPA07N65C3XKSA1 — Discrete Semiconductors

Infineon SPA07N65C3XKSA1 CoolMOS™ N-Ch MOSFET, 650 V, 7.3 A

MPNSPA07N65C3XKSA1
Obsolete

Infineon CoolMOS™ SPA07N65C3XKSA1, N-Channel MOSFET, 650 V Vdss, 7.3 A continuous drain at 25°C, 600 mOhm Rds(on) at 10 V, 27 nC gate charge, TO-220-3 Full Pack, through-hole mounting.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

SPA07N65C3XKSA1 specifications
ParameterValue
SeriesCoolMOS™
FET typeN-Channel
MountingThrough Hole
Drain to source voltage650 V
Drive voltage (Max rds on, min rds on)10V
Current - continuous drain (Id) @ 25°C7.3A (Tc)
Power dissipation32W (Tc)
Operating temperature-55°C~150°C(TJ)
PackageTube
Vgs±20V
TechnologyMOSFET (Metal Oxide)
CaseTO-220-3 Full Pack
Vgs(th) (Max) @ id3.9V @ 350µA
Rds on (Max) @ id, vgs600mOhm @ 4.6A, 10V
Gate charge (Qg) (Max) @ vgs27 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds790 pF @ 25 V

Product details

The Infineon SPA07N65C3XKSA1 is an N-channel enhancement-mode MOSFET from the CoolMOS™ series, built on a charge-compensation technology that reduces on-resistance and gate charge compared to conventional planar MOSFETs of the same voltage class.

The 650 V Vdss gives you a solid margin for 400 V DC-link rails (typical in PFC stages) and universal-input flyback converters, where peak drain voltages can exceed 600 V during line transients. The 7.3 A continuous rating at 25°C case temperature is the headline number, but remember it derates with case temperature — at 100°C case you typically lose about 40% of that current capability, so size the heatsink accordingly. Input capacitance of 790 pF at 25 V drain-source is low enough that the gate drive doesn't need a heavy buffer, but check the Miller plateau charge if you're switching above 100 kHz.

Frequently asked questions

Is SPA07N65C3XKSA1 obsolete?

Yes, Infineon lists the SPA07N65C3XKSA1 as obsolete. It is no longer in production, so procurement relies on surplus and broker channels. We can source it to order — submit an RFQ for availability.

What is the Vds rating of SPA07N65C3XKSA1?

The drain-to-source voltage rating (Vdss) is 650 V, suitable for 400 V DC-link and universal-input AC-DC converters with adequate margin.

Can SPA07N65C3XKSA1 replace SPA07N65C3?

The SPA07N65C3XKSA1 is the same die in a different packaging variant (the XKSA1 suffix indicates a specific lead form and packing). Electrically they are identical — 650 V, 7.3 A, 600 mOhm — but verify the mechanical fit: the XKSA1 variant uses a TO-220-3 Full Pack with straight leads, while the base SPA07N65C3 may have formed leads. Check the package drawing against your PCB footprint.