Lucent Technologies Inc. Corporate Headquarters · Electronic Components
AF51
Relay, Electromagnetic
Part NumberAF51
ManufacturerLucent Technologies Inc. Corporate Headquarters
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-894-3809 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Coil Quantity1
Operating Voltage Rating And Type48.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Center To Center Distance Between1.094 INCHES NOMINAL SINGLE MOUNTING FACILITY
Winding Dc Resistance Rating700.0 OHMS NOMINAL SINGLE WINDING
Pile Up Main Contact Form Arrangem4A
Nominal Operating Current Rating A10.0 MILLIAMPERES DC SINGLE WINDING
Duty TypeCONTINUOUS
Overall Width1.870 INCHES NOMINAL
Terminal Type And Quantity10 PIN ALL FUNCTIONS
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 AF51 available?
We can source AF51 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 AF51 by Lucent Technologies Inc. Corporate Headquarters obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AF51 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 AF51?
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 AF51?
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.