Stromberg-Carlson Corp. A Plessey Telecommunications · Electronic Components
666193-909
Crystal Unit, Quartz
Part Number666193-909
ManufacturerStromberg-Carlson Corp. A Plessey Telecommunications
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-061-1394 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Terminal Diameter0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM
Body Thickness0.142 INCHES MINIMUM AND 0.149 INCHES MAXIMUM
Overall Thickness0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM
Circuit ResonanceSERIES RESONANCE
Center To Center Distance Between0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
Equivalent Resistance Value In Ohm40.0 MAXIMUM
Style DesignatorOVAL BODY, PIN TERMINALS
Drive Level Rating1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
Overall Length0.745 INCHES MINIMUM AND 0.775 INCHES MAXIMUM
Shunt Capacitance In Picofarads7.0 MAXIMUM
Mode Of OscillationTHIRD OVERTONE
ESD/EMICode B — ESD/EMI sensitive item
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 666193-909 available?
We can source 666193-909 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 666193-909 by Stromberg-Carlson Corp. A Plessey Telecommunications obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 666193-909 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 666193-909?
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 666193-909?
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.