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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SMC747251-3
Crystal Unit, Quartz
Part NumberSMC747251-3
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-010-1534 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Mode Of OscillationFUNDAMENTAL
Circuit ResonanceANTIRESONANCE
Equivalent Resistance Value In Ohm8000.0 MAXIMUM
Style DesignatorOVAL BODY, WIRE LEADS
Drive Level Rating2.0 MILLIWATTS NOMINAL AND 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
Center To Center Distance Between0.486 INCHES NOMINAL
Operating Temp Range-40.0 TO 70.0 CELSIUS AND -55.0 TO 90.0 CELSIUS
Frequency Tolerance For Operating-0.010 TO 0.010 AND -0.015 TO 0.015
Body Thickness0.317 INCHES MAXIMUM
Overall Length0.775 INCHES MAXIMUM
Overall Thickness0.352 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 SMC747251-3 available?
We can source SMC747251-3 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 SMC747251-3 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SMC747251-3 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 SMC747251-3?
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 SMC747251-3?
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.