Thales Deutschland Gmbh · Electronic Components
4490010909
Crystal Unit, Quartz
Part Number4490010909
ManufacturerThales Deutschland Gmbh
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-878-7809 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Shunt Capacitance In Picofarads7.0 MAXIMUM
Body Length0.775 INCHES MAXIMUM
Circuit ResonanceSERIES RESONANCE
Equivalent Resistance Value In Ohm50.0 NOMINAL
Center To Center Distance Between0.486 INCHES NOMINAL
Frequency Tolerance For Operating-0.005 TO 0.005
Drive Level Rating2.0 MILLIWATTS NOMINAL AND 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
Style DesignatorOVAL BODY, PIN TERMINALS
Overall Length1.023 INCHES MAXIMUM
Overall Width0.757 INCHES MAXIMUM
Body Thickness0.317 INCHES MAXIMUM
Vendor Part NumbersCR54/U54M50000
Cancelled NSN5955-00-665-3403 (cancelled)
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 4490010909 available?
We can source 4490010909 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 4490010909 by Thales Deutschland Gmbh obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4490010909 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 4490010909?
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 4490010909?
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.