Cmc Electronics Inc. · Electronic Components
1820-618
Crystal Unit, Quartz
Part Number1820-618
ManufacturerCmc Electronics Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-138-3535 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Drive Level Rating2.0 MILLIWATTS MAXIMUM
Circuit ResonanceSERIES RESONANCE
Center To Center Distance Between0.486 INCHES NOMINAL
Overall Length1.754 INCHES NOMINAL
Body Thickness0.312 INCHES NOMINAL
Equivalent Resistance Value In Ohm2000.0 NOMINAL
Style DesignatorOVAL BODY, PIN TERMINALS
Operable Temp Range-40.0 TO 70.0 CELSIUS
Body Length1.516 INCHES NOMINAL
Terminal Length0.238 INCHES NOMINAL
Overall Thickness0.343 INCHES MAXIMUM
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 1820-618 available?
We can source 1820-618 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 1820-618 by Cmc Electronics Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1820-618 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 1820-618?
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 1820-618?
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.