National Semiconductor · Electronic Components
54F821SDMQB
MICROCIRCUIT,DIGITAL — NSN 5962-01-399-5204
Part Number54F821SDMQB
ManufacturerNational Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-399-5204 (NSN)
Federal Item NameMICROCIRCUIT,DIGITAL
Federal Supply Class5962 — Microcircuits, Electronic
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 54F821SDMQB available?
We can source 54F821SDMQB 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 54F821SDMQB by National Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 54F821SDMQB 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 54F821SDMQB?
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 54F821SDMQB?
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.