Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft · Electronic Components
RH4889
Relay, Electromagnetic
Part NumberRH4889
ManufacturerRohde & Schwarz Gmbh & Co. Kommanditgesellschaft
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-133-0434 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Main Contact Maximum Voltage Ratin2000.0 AC AND 2000.0 DC
Mounting Facility PatternCIRUCLAR SINGLE MOUNTING FACILITY
Environmental ProtectionDUSTPROOF
Overall Width1.130 INCHES NOMINAL
Operating Voltage Rating And Type26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility Type And Quantit3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Winding Quantity1
Unthreaded Mounting Hole Diameter0.141 INCHES NOMINAL SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Terminal Type And Quantity5 PIN ALL FUNCTIONS
Nonpile Up Main Contact Arrangemen1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Vendor Part Numbers91282166, RSY85900, 5L4755-001-37
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 RH4889 available?
We can source RH4889 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 RH4889 by Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RH4889 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 RH4889?
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 RH4889?
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.