Western Union Telegraph Co Sub Of Western Union Corp. · Electronic Components
202780
Relay, Electromagnetic
Part Number202780
ManufacturerWestern Union Telegraph Co Sub Of Western Union Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-198-6644 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Terminal Type And Quantity16 PIN ALL FUNCTIONS
Main Contact Maximum Voltage Ratin50.0 DC
Pile Up Main Contact Form Arrangem2B1C AND 1A1C
Winding Quantity2
Nominal Operating Current Rating A120.0 MILLIAMPERES DC ALL WINDINGS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Overall Height2.400 INCHES NOMINAL
Mounting Facility Type And Quantit2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Overall Length4.000 INCHES NOMINAL
Winding Dc Resistance Rating140.0 OHMS NOMINAL FIRST WINDING
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 202780 available?
We can source 202780 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 202780 by Western Union Telegraph Co Sub Of Western Union Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 202780 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 202780?
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 202780?
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.