Lucent Technologies Inc. Corporate Headquarters · Electronic Components
B1011
Relay, Electromagnetic
Part NumberB1011
ManufacturerLucent Technologies Inc. Corporate Headquarters
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-189-8763 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Thread Class2B SINGLE MOUNTING FACILITY
Environmental ProtectionDUSTPROOF
Duty TypeCONTINUOUS
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Ratin48.0 DC
Winding Quantity1
Overall Length4.320 INCHES NOMINAL
Terminal Type And Quantity4 PIN ALL FUNCTIONS
Main Contact Load Current Rating A20.0 MILLIAMPERES DC RESISTIVE LOAD
Center To Center Distance Between0.562 INCHES NOMINAL SINGLE MOUNTING FACILITY
Coil Quantity1
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 B1011 available?
We can source B1011 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 B1011 by Lucent Technologies Inc. Corporate Headquarters obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B1011 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 B1011?
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 B1011?
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.