Lucent Technologies Inc. Corporate Headquarters · Electronic Components
280FD
Relay, Electromagnetic
Part Number280FD
ManufacturerLucent Technologies Inc. Corporate Headquarters
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-853-1327 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Width1.710 INCHES NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Winding Dc Resistance Rating54.0 OHMS MINIMUM AND 3.0 KILOHMS MAXIMUM SINGLE WINDING
Coil Quantity1
Main Contact Maximum Voltage Ratin10.0 DC
Duty TypeCONTINUOUS
Terminal Type And Quantity5 PIN ALL FUNCTIONS
Environmental ProtectionDUSTPROOF
Operating Voltage Rating And Type48.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Thread Class2B SINGLE MOUNTING FACILITY
Center To Center Distance Between0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY
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 280FD available?
We can source 280FD 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 280FD by Lucent Technologies Inc. Corporate Headquarters obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 280FD 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 280FD?
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 280FD?
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.