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Stromberg-Carlson Corp. A Plessey Telecommunications Co  · Electronic Components

666193-911

Crystal Unit, Quartz

Part Number666193-911
ManufacturerStromberg-Carlson Corp. A Plessey Telecommunications Co
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Body Length0.500 INCHES MINIMUM AND 0.525 INCHES MAXIMUM
Drive Level Rating1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
Frequency Tolerance For Operating-0.0025 TO 0.0025
Operating Temp Range-40.0 TO 65.0 CELSIUS
Style DesignatorOVAL BODY, PIN TERMINALS
Equivalent Resistance Value In Ohm40.0 MAXIMUM
Terminal Diameter0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM
Specified Frequency26.280 MEGAHERTZ
Overall Width0.408 INCHES MINIMUM AND 0.428 INCHES MAXIMUM
Shunt Capacitance In Picofarads7.0 MAXIMUM
Body Width0.394 INCHES MINIMUM AND 0.401 INCHES MAXIMUM
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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

Frequently asked

Is 666193-911 available?
We can source 666193-911 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 666193-911 by Stromberg-Carlson Corp. A Plessey Telecommunications Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 666193-911 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 666193-911?
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 666193-911?
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.