Lucent Technologies Inc. Corporate Headquarters · Electronic Components
280F
Relay, Electromagnetic
Part Number280F
ManufacturerLucent Technologies Inc. Corporate Headquarters
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-849-7118 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Coil Quantity1
Winding Quantity1
Environmental ProtectionDUSTPROOF
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Terminal Type And Quantity5 PIN ALL FUNCTIONS
Winding Dc Resistance Rating250.0 OHMS NOMINAL SINGLE WINDING
Operating Voltage Rating And Type48.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nominal Thread Size0.164 INCHES SINGLE MOUNTING FACILITY
Overall Length5.500 INCHES NOMINAL
Thread Class2B SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
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 280F available?
We can source 280F 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 280F by Lucent Technologies Inc. Corporate Headquarters obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 280F 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 280F?
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 280F?
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.