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Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SMB683785
Crystal Unit, Quartz
Part NumberSMB683785
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-137-7404 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Shunt Capacitance In Picofarads3.5 MINIMUM AND 4.5 MAXIMUM
Terminal Length1.500 INCHES MINIMUM
Terminal Diameter0.018 INCHES NOMINAL
Frequency Stability In Percent-0.001 TO 0.001
Style DesignatorOVAL BODY, PIN TERMINALS
Frequency Tolerance For Operating-0.0008 TO 0.0008
Center To Center Distance Between0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
Equivalent Resistance Value In Ohm40.0 NOMINAL
Drive Level Rating1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
Operating Temp Range-32.0 TO 75.0 CELSIUS
Overall Length0.500 INCHES MINIMUM AND 0.525 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 SMB683785 available?
We can source SMB683785 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 SMB683785 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 SMB683785 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 SMB683785?
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 SMB683785?
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.