Lucent Technologies Inc. Corporate Headquarters · Electronic Components
U753
Relay, Electromagnetic
Part NumberU753
ManufacturerLucent Technologies Inc. Corporate Headquarters
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-502-0945 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Width1.180 INCHES NOMINAL
Overall Height1.250 INCHES NOMINAL
Thread Class2A SINGLE MOUNTING FACILITY
Operating Voltage Rating And Type27.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Coil Quantity1
Mounting Facility Type And Quantit2 THREADED STUD(S) SINGLE MOUNTING FACILITY
Environmental ProtectionDUSTPROOF
Mounting Facility PatternDIAGONAL SINGLE MOUNTING FACILITY
Winding Quantity1
Pile Up Main Contact Form Arrangem3B AND 1A1D
Main Contact Load Current Rating A1.0 AMPERES DC RESISTIVE LOAD
Vendor Part NumbersU753RELAY
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 U753 available?
We can source U753 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 U753 by Lucent Technologies Inc. Corporate Headquarters obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If U753 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 U753?
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 U753?
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.