Q-Tech Corp. · Electronic Components
MCM671
Oscillator, Crystal Controlled
Part NumberMCM671
ManufacturerQ-Tech Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-151-9276 (NSN)
Federal Item NameOSCILLATOR,CRYSTAL CONTROLLED
Federal Supply Class5955 — Crystals and Oscillators
Average Life MeasurementNOT RATED
Connection Contact Type And Quanti14 PRINTED CIRCUIT EXTERNAL
Overall Length0.800 INCHES NOMINAL
Identification DesignatorEROS-200-5-20.98/10.49MHZ-13571
Precious MaterialGOLD
Operating Temp Range-55.0 TO 105.0 CELSIUS
Frequency Per Channel10.491295 MEGAHERTZ MINIMUM OUTPUT CHANNEL AND 20.98259 MEGAHERTZ MAXIMUM OUTPUT CHANNEL
Basic Shape StyleRECTANGULAR OR SQUARE
Precious Material And LocationEXTERNAL SURFACES GOLD
External Dc Operating Voltage In V4.75 MINIMUM SINGLE VOLTAGE AND 5.25 MAXIMUM SINGLE VOLTAGE
Connection TypePRINTED CIRCUIT BOTTOM
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 MCM671 available?
We can source MCM671 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 MCM671 by Q-Tech Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MCM671 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 MCM671?
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 MCM671?
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.