Te Connectivity Corporation · Electronic Components
1439-1B
Relay, Electromagnetic
Part Number1439-1B
ManufacturerTe Connectivity Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-867-6781 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Coil Quantity1
Center To Center Distance Between1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Width2.630 INCHES MINIMUM AND 2.640 INCHES MAXIMUM
Main Contact Maximum Voltage Ratin208.0 AC AND 30.0 DC
Time Delay0.10 SECONDS MAXIMUM FIXED RELEASE TIME
Operating Voltage Rating And Type208.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Main Contact Load Current Rating A300.0 MILLIAMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Features ProvidedPOLARIZED
Vendor Part Numbers74R312P002
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 1439-1B available?
We can source 1439-1B 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 1439-1B by Te Connectivity Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1439-1B 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 1439-1B?
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 1439-1B?
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.