L3Harris Technologies, Inc. · Electronic Components
Y-0643
Crystal Unit, Quartz
Part NumberY-0643
ManufacturerL3Harris Technologies, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-008-9721 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Frequency Tolerance For Operating-0.005 TO 0.005
Drive Level Rating8.0 MILLIWATTS MINIMUM AND 12.0 MILLIWATTS MAXIMUM
Equivalent Resistance Value In Ohm280.0 MAXIMUM
Center To Center Distance Between0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
Overall Thickness0.340 INCHES MINIMUM AND 0.345 INCHES MAXIMUM
Style DesignatorOVAL BODY, WIRE LEADS
Shunt Capacitance In Picofarads7.0 MAXIMUM
Specified Frequency1583.000 KILOHERTZ
Body Width0.715 INCHES MINIMUM AND 0.722 INCHES MAXIMUM
Terminal Length0.750 INCHES MINIMUM
Mode Of OscillationFUNDAMENTAL
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 Y-0643 available?
We can source Y-0643 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 Y-0643 by L3Harris Technologies, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If Y-0643 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 Y-0643?
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 Y-0643?
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.