TE Connectivity · Electronic Components
A856-5184
Crystal Unit, Quartz
Part NumberA856-5184
ManufacturerTE Connectivity
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-137-4374 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Shunt Capacitance In Picofarads7.0 MAXIMUM
Terminal Length1.500 INCHES MINIMUM
Specified Frequency49.750 MEGAHERTZ
Circuit ResonanceSERIES RESONANCE
Style DesignatorOVAL BODY, WIRE LEADS
Frequency Tolerance For Operating-0.005 TO 0.005
Equivalent Resistance Value In Ohm40.0 NOMINAL
Center To Center Distance Between0.192 INCHES NOMINAL
Terminal Diameter0.030 INCHES NOMINAL
Body Thickness0.317 INCHES MAXIMUM
Mode Of OscillationTHIRD OVERTONE
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 A856-5184 available?
We can source A856-5184 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 A856-5184 by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A856-5184 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 A856-5184?
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 A856-5184?
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.