Esna · Electronic Components
2122DH3-28V1SEC
Relay, Electromagnetic
Part Number2122DH3-28V1SEC
ManufacturerEsna
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-904-8560 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Unthreaded Mounting Hole Diameter0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY
Center To Center Distance Between2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Winding Quantity1
Winding Dc Resistance Rating131.0 OHMS NOMINAL SINGLE WINDING
Overall Height1.520 INCHES NOMINAL
Features ProvidedPOLARIZED
Operating Voltage Rating And Type28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Terminal Type And Quantity8 PIN ALL FUNCTIONS
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Vendor Part Numbers116C2737
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 2122DH3-28V1SEC available?
We can source 2122DH3-28V1SEC 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 2122DH3-28V1SEC by Esna obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2122DH3-28V1SEC 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 2122DH3-28V1SEC?
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 2122DH3-28V1SEC?
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.