Microsemi Corp. - High Performance Timing · Electronic Components
666193-673
Crystal Unit, Quartz
Part Number666193-673
ManufacturerMicrosemi Corp. - High Performance Timing
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-061-1386 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Body Thickness0.142 INCHES MINIMUM AND 0.149 INCHES MAXIMUM
Overall Width0.408 INCHES MINIMUM AND 0.428 INCHES MAXIMUM
Body Length0.500 INCHES MINIMUM AND 0.525 INCHES MAXIMUM
Shunt Capacitance In Picofarads1.2 MINIMUM AND 1.6 MAXIMUM
Equivalent Resistance Value In Ohm50.0 NOMINAL
Center To Center Distance Between0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
Frequency Tolerance For Operating-0.005 TO 0.005
Style DesignatorOVAL BODY, PIN TERMINALS
Operating Temp Range-40.0 TO 65.0 CELSIUS
Drive Level Rating2.0 MILLIWATTS NOMINAL
Specified Frequency27.5416 MEGAHERTZ
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 666193-673 available?
We can source 666193-673 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 666193-673 by Microsemi Corp. - High Performance Timing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 666193-673 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 666193-673?
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 666193-673?
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.