Raytheon · Electronic Components
945055-1B
Crystal Unit, Quartz
Part Number945055-1B
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-123-6540 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Mode Of OscillationTHIRD OVERTONE
Shunt Capacitance In Picofarads5.0 MAXIMUM
Circuit ResonanceSERIES RESONANCE
Specified Frequency27.875 MEGAHERTZ
Terminal Diameter0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM
Drive Level Rating0.5 MILLIWATTS NOMINAL
Equivalent Resistance Value In Ohm50.0 MAXIMUM
Frequency Tolerance For Operating-0.0025 TO 0.0025
Style DesignatorHAT TYPE, 3 WIRE LEADS
Center To Center Distance Between0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
Overall Length0.220 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
Vendor Part NumbersK3126-1B
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 945055-1B available?
We can source 945055-1B 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 945055-1B by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 945055-1B 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 945055-1B?
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 945055-1B?
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.