Lucent Technologies Inc. Corporate Headquarters · Electronic Components
R2039
Relay, Electromagnetic
Part NumberR2039
ManufacturerLucent Technologies Inc. Corporate Headquarters
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-503-9812 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY
Environmental ProtectionDUSTPROOF
Main Contact Maximum Voltage Ratin50.0 DC
Winding Dc Resistance Rating100.0 OHMS NOMINAL SECOND WINDING
Duty TypeCONTINUOUS
Overall Width1.370 INCHES NOMINAL
Operating Voltage Rating And Type1.5 VOLTS DC 25 DEG CELSIUS SECOND WINDING
Pile Up Main Contact Form Arrangem1B1A AND 1A
Main Contact Load Current Rating A500.0 MILLIAMPERES DC RESISTIVE LOAD
Overall Height0.969 INCHES NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Shaft Diameter0.250 INCHES NOMINAL
Actuator TypeSINGLE SHAFT
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Ambient Temp In Deg Celsius Per Se40.0 SINGLE SECTION
Device Design TypeAT 9:00 OCLOCK LOCATION NOT OTHERWISE SPECIFIED
Power Dissipation Rating Per Secti5.0 FREE AIR SINGLE SECTION
Actuator Travel Control FeatureSTOPS
Terminal Type And Quantity3 TAB, SOLDER LUG
Resistance Tolerance Per Section I-10.0 TO 10.0 SINGLE SECTION
Body StyleCYLINDRICAL BUSHING MOUNTED
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 R2039 available?
We can source R2039 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 R2039 by Lucent Technologies Inc. Corporate Headquarters obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If R2039 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 R2039?
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 R2039?
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.