Xsis Electronics · Electronic Components
X143-40MHZ
Oscillator, Crystal Controlled
Part NumberX143-40MHZ
ManufacturerXsis Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-166-2997 (NSN)
Federal Item NameOSCILLATOR,CRYSTAL CONTROLLED
Federal Supply Class5955 — Crystals and Oscillators
Overall Length0.875 INCHES MAXIMUM
Average Life MeasurementNOT RATED
Inclosure TypeHERMETICALLY SEALED
Connection Contact Type And Quanti14 PIN EXTERNAL
Control TypeLOCAL
Overall Height0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
Operating Temp Range-55.0 TO 125.0 CELSIUS
Circuit Construction TypeSOLID STATE
Frequency Per Channel40.0 MEGAHERTZ NOMINAL OPERATING CHANNEL
Overall Width0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
Operating Control MethodAUTOMATIC
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 X143-40MHZ available?
We can source X143-40MHZ 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 X143-40MHZ by Xsis Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If X143-40MHZ 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 X143-40MHZ?
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 X143-40MHZ?
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.