Q-Tech Corp. · Electronic Components
MCM618-3E
Oscillator, Crystal Controlled
Part NumberMCM618-3E
ManufacturerQ-Tech Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-132-8421 (NSN)
Federal Item NameOSCILLATOR,CRYSTAL CONTROLLED
Federal Supply Class5955 — Crystals and Oscillators
Overall Width0.510 INCHES MAXIMUM
Circuit Construction TypeSOLID STATE
Overall Length0.880 INCHES MAXIMUM
Operating Control MethodAUTOMATIC
Installation DesignMODULE
Inclosure TypeHERMETICALLY SEALED
Basic Shape StyleRECTANGULAR OR SQUARE
Environmental ProtectionFUNGUS PROOF AND MOISTURE PROOF AND SALT SPRAY RESISTANT
Average Life MeasurementNOT RATED
Operating Temp Range-55.0 TO 125.0 CELSIUS
Overall Height0.280 INCHES MAXIMUM
Vendor Part Numbers144A9611P3
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 MCM618-3E available?
We can source MCM618-3E 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 MCM618-3E by Q-Tech Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MCM618-3E 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 MCM618-3E?
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 MCM618-3E?
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.