Narda Holdings, Inc. · Electronic Components
SEM123DN
Relay, Electromagnetic
Part NumberSEM123DN
ManufacturerNarda Holdings, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-471-1607 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Width0.900 INCHES NOMINAL
Overall Length2.750 INCHES NOMINAL
Overall Height2.210 INCHES MINIMUM AND 2.270 INCHES MAXIMUM
ESD/EMICode A — ESD/EMI sensitive item
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 SEM123DN available?
We can source SEM123DN 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 SEM123DN by Narda Holdings, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SEM123DN 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 SEM123DN?
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 SEM123DN?
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.