● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Infineon Technologies Americas  · Electronic Components

ST173S12PFK1

SEMICONDUCTOR DEVICE,THYRISTOR — NSN 5961-01-273-3159

Part NumberST173S12PFK1
ManufacturerInfineon Technologies Americas
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSEMICONDUCTOR DEVICE,THYRISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
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RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is ST173S12PFK1 available?
We can source ST173S12PFK1 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is ST173S12PFK1 by Infineon Technologies Americas obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ST173S12PFK1 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like ST173S12PFK1?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for ST173S12PFK1?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.