Keysight Technologies Inc. · Electronic Components
0490-0909
Relay, Reed — Relays and Solenoids
Part Number0490-0909
ManufacturerKeysight Technologies Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-008-0573 (NSN)
Federal Item NameRELAY,REED
Federal Supply Class5945 — Relays and Solenoids
Terminal Type And Quantity4 PIN ALL FUNCTIONS
Operating Voltage Rating And Type12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nonpile Up Main Contact Arrangemen1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Overall Length0.600 INCHES NOMINAL
Main Contact Load Current Rating A100.0 MILLIAMPERES DC RESISTIVE LOAD
Mounting Facility Type And Quantit1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Winding Dc Resistance Rating425.0 OHMS NOMINAL SINGLE WINDING
Overall Width0.270 INCHES NOMINAL
Winding Quantity1
Main Contact Maximum Voltage Ratin30.0 DC
Overall Height0.265 INCHES NOMINAL
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 0490-0909 available?
We can source 0490-0909 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 0490-0909 by Keysight Technologies Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 0490-0909 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 0490-0909?
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 0490-0909?
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.