Powerex, Inc. · Electronic Components
ND431221
SEMICONDUCTOR DEVICE ASSEMBLY — NSN 5961-01-172-2293
Part NumberND431221
ManufacturerPowerex, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-172-2293 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE ASSEMBLY
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Overall Length115.0 MILLIMETERS NOMINAL
Overall Width50.0 MILLIMETERS NOMINAL
Overall Height55.0 MILLIMETERS NOMINAL
Major ComponentsTHYRISTOR 2
Special FeaturesWEAPON SYSTEM ESSENTIAL
Criticality Code JustificationFEAT
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
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is ND431221 available?
We can source ND431221 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 ND431221 by Powerex, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ND431221 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 ND431221?
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 ND431221?
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.