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Raytheon Company  · Electronic Components

945044-1B

Crystal Unit, Quartz

Part Number945044-1B
ManufacturerRaytheon Company
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Overall Diameter0.420 INCHES MAXIMUM
Equivalent Resistance Value In Ohm40.0 MAXIMUM
Style DesignatorHAT TYPE, 3 WIRE LEADS
Drive Level Rating0.5 MILLIWATTS NOMINAL
Frequency Tolerance For Operating-0.001 TO 0.001
Shunt Capacitance In Picofarads6.0 MAXIMUM
Operating Temp Range-55.0 TO 95.0 CELSIUS AND -55.0 TO 125.0 CELSIUS
Terminal Diameter0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM
Mode Of OscillationFUNDAMENTAL
Center To Center Distance Between0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
Specified Frequency12.000 MEGAHERTZ
Vendor Part NumbersK381-1B, 99-253-1B, C14829-1B
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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 945044-1B available?
We can source 945044-1B 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 945044-1B by Raytheon Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 945044-1B 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 945044-1B?
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 945044-1B?
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.