Raytheon Company · Electronic Components
SB190-478
Relay, Thermal
Part NumberSB190-478
ManufacturerRaytheon Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-259-1387 (NSN)
Federal Item NameRELAY,THERMAL
Federal Supply Class5945 — Relays and Solenoids
Overall Width0.688 INCHES NOMINAL
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S)
Heater Voltage Rating In Volts15.0
Heater Power Rating In Watts11.0
Environmental ProtectionHERMETIC
Overall Height1.625 INCHES NOMINAL
Overall Length2.125 INCHES NOMINAL
Delay Time In Seconds4.0 FIXED OPERATE MINIMUM AND 15.0 FIXED OPERATE MAXIMUM
Contact ArrangementSINGLE POLE, DOUBLE THROW
Terminal Type And Quantity3 PIN
Contact Maximum Current Rating In2.0 DC
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 SB190-478 available?
We can source SB190-478 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 SB190-478 by Raytheon Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SB190-478 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 SB190-478?
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 SB190-478?
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.