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CR-1A/AR8.553850MHZ

Crystal Unit, Quartz

Part NumberCR-1A/AR8.553850MHZ
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Overall Width1.090 INCHES MINIMUM AND 1.170 INCHES MAXIMUM
Mode Of OscillationFUNDAMENTAL
Center To Center Distance Between0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
Frequency Tolerance For Operating-0.020 TO 0.020
Drive Level Rating30.0 MILLIWATTS NOMINAL
Terminal Diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
Circuit ResonanceANTIRESONANCE
Specified Frequency8.55385 MEGAHERTZ
Equivalent Resistance Value In Ohm40.0 NOMINAL
Terminal Length0.595 INCHES MINIMUM AND 0.655 INCHES MAXIMUM
Overall Length1.750 INCHES MINIMUM AND 1.940 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 CR-1A/AR8.553850MHZ available?
We can source CR-1A/AR8.553850MHZ 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 CR-1A/AR8.553850MHZ by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CR-1A/AR8.553850MHZ 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 CR-1A/AR8.553850MHZ?
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 CR-1A/AR8.553850MHZ?
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.