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MIL-SPEC  · Electronic Components

CR128/U45M41666

Crystal Unit, Quartz

Part NumberCR128/U45M41666
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Frequency Tolerance For Operating-0.005 TO 0.005 AND -0.0010 TO 0.0010
Test Data Document81349-MIL-C-3098/108 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE
Terminal Diameter0.015 INCHES MINIMUM AND 0.019 INCHES MAXIMUM
MaterialGLASS COVER HOLDER
Operating Temp Range-55.0 TO 105.0 CELSIUS AND -55.0 TO 125.0 CELSIUS
Equivalent Resistance Value In Ohm40.0 MAXIMUM
Center To Center Distance Between0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
Drive Level Rating1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
Shunt Capacitance In Picofarads7.0 MAXIMUM
Overall Width0.435 INCHES MAXIMUM
Specified Frequency45.416667 MEGAHERTZ
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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 CR128/U45M41666 available?
We can source CR128/U45M41666 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 CR128/U45M41666 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CR128/U45M41666 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 CR128/U45M41666?
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 CR128/U45M41666?
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.