Keysight Technologies · Electronic Components
0490-1556
Relay, Reed — Relays and Solenoids
Part Number0490-1556
ManufacturerKeysight Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-276-2298 (NSN)
Federal Item NameRELAY,REED
Federal Supply Class5945 — Relays and Solenoids
Overall Height0.390 INCHES MAXIMUM0.390 INCHES MAXIMUM
Cubic Measure0.231 CUBIC INCHES
Fragility FactorMODERATELY RUGGEDMODERATELY RUGGED
Storage TypeGENERAL PURPOSE WAREHOUSE
Main Contact Load Current Rating A250.0 MILLIAMPERES DC RESISTIVE LOAD
Coil Quantity11
Main Contact Maximum Voltage Ratin400.0 DC
Winding Quantity11
Operating Voltage Rating And Type5.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility Type And Quantit1 TERMINAL SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Vendor Part Numbers3500-0050
Cancelled NSN5945-01-166-9728 (cancelled)
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 0490-1556 available?
We can source 0490-1556 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 0490-1556 by Keysight Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 0490-1556 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 0490-1556?
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 0490-1556?
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.