L3Harris Technologies, Inc. · Electronic Components
Y0644
Crystal Unit, Quartz
Part NumberY0644
ManufacturerL3Harris Technologies, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-008-9717 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Body Width0.715 INCHES MINIMUM AND 0.722 INCHES MAXIMUM
Center To Center Distance Between0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
Operating Temp Range-40.0 TO 75.0 CELSIUS
Drive Level Rating8.0 MILLIWATTS MINIMUM AND 12.0 MILLIWATTS MAXIMUM
Style DesignatorOVAL BODY, WIRE LEADS
Equivalent Resistance Value In Ohm280.0 MAXIMUM
Frequency Tolerance For Operating-0.005 TO 0.005
Body Thickness0.310 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
Terminal Length0.750 INCHES MINIMUM
Overall Length0.755 INCHES MINIMUM AND 0.775 INCHES MAXIMUM
Overall Thickness0.340 INCHES MINIMUM AND 0.345 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 Y0644 available?
We can source Y0644 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 Y0644 by L3Harris Technologies, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If Y0644 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 Y0644?
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 Y0644?
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.