Keysight Technologies Inc. · Electronic Components
0490-1078
Relay, Reed — Relays and Solenoids
Part Number0490-1078
ManufacturerKeysight Technologies Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-021-1345 (NSN)
Federal Item NameRELAY,REED
Federal Supply Class5945 — Relays and Solenoids
Winding Dc Resistance Rating110.0 OHMS NOMINAL SINGLE WINDING
Main Contact Load Current Rating A500.0 MILLIAMPERES AC RESISTIVE LOAD
Terminal Type And Quantity4 PIN ALL FUNCTIONS
Criticality Code JustificationFEAT
Nonpile Up Main Contact Arrangemen1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Mounting Facility Type And Quantit1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Ratin200.0 AC
Operating Voltage Rating And Type5.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Overall Height0.505 INCHES MAXIMUM0.505 INCHES MAXIMUM
Duty TypeCONTINUOUS
Overall Length0.990 INCHES MAXIMUM0.990 INCHES MAXIMUM
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 0490-1078 available?
We can source 0490-1078 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 0490-1078 by Keysight Technologies Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 0490-1078 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 0490-1078?
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 0490-1078?
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.