CAE USA · Electronic Components
278818
Relay, Thermal
Part Number278818
ManufacturerCAE USA
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-721-1901 (NSN)
Federal Item NameRELAY,THERMAL
Federal Supply Class5945 — Relays and Solenoids
Contact Maximum Voltage Rating In230.0 AC
Overall Length2.000 INCHES NOMINAL
Heater Power Rating In Watts3.5
Delay Time In Seconds12.0 FIXED OPERATE NOMINAL
Heater Voltage Rating In Volts26.5
Contact ArrangementSINGLE POLE, DOUBLE THROW
Contact Maximum Current Rating In3.0 AC
Overall Diameter1.286 INCHES NOMINAL
Environmental ProtectionHERMETIC
Terminal Type And Quantity5 PIN
Mounting Facility Type And Quantit1 OCTAL BASE PLUG-IN
Vendor Part Numbers26-5-10SB
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 278818 available?
We can source 278818 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 278818 by CAE USA obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 278818 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 278818?
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 278818?
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.