Keysight Technologies · Electronic Components
49-28
Relay, Electromagnetic
Part Number49-28
ManufacturerKeysight Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-683-7963 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Height2.680 INCHES NOMINAL
Overall Width1.400 INCHES NOMINAL
Environmental ProtectionDUSTPROOF
Mounting Facility Type And Quantit1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Main Contact Maximum Voltage Ratin115.0 AC AND 26.5 DC
Winding Dc Resistance Rating8.0 KILOHMS NOMINAL SINGLE WINDING
Duty TypeCONTINUOUS
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Operating Voltage Rating And Type110.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Overall Length1.400 INCHES NOMINAL
Vendor Part Numbers666068-403, GHP2C110VDC
Cancelled NSN5945-00-686-8595 (cancelled)
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 49-28 available?
We can source 49-28 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 49-28 by Keysight Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 49-28 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 49-28?
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 49-28?
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.