Keysight Technologies Inc. · Electronic Components
0490-0138
Switch, Reed
Part Number0490-0138
ManufacturerKeysight Technologies Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-025-2248 (NSN)
Federal Item NameSWITCH,REED
Federal Supply Class5930 — Switches
Overall Length3.250 INCHES NOMINAL
Maximum Voltage Rating In Volts5000.0 DC
Switch Actuating Force50.0 AMPERE-TURNS NOMINAL
Contact Load Current Rating At Max1.000 MILLIAMPERES RESISTIVE DC
Overall Width0.210 INCHES NOMINAL
Body Length1.700 INCHES NOMINAL
Overall Height0.210 INCHES NOMINAL
Body StyleUNCASED
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION SINGLE SWITCH UNIT
Terminal Type And Quantity2 WIRE LEAD
Body Diameter0.210 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 0490-0138 available?
We can source 0490-0138 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 0490-0138 by Keysight Technologies Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 0490-0138 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 0490-0138?
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 0490-0138?
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.