MIL-SPEC · Electronic Components
CR104/U545K0000
Crystal Unit, Quartz
Part NumberCR104/U545K0000
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-930-6069 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Test Data Document81349-MIL-C-3098 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Specified Frequency545.000 KILOHERTZ
Operable Temp Range-40.0 TO 70.0 CELSIUS
Terminal Diameter0.028 INCHES MINIMUM AND 0.032 INCHES MAXIMUM
Frequency Tolerance For Operating-0.001 TO 0.001
Style DesignatorOVAL BODY, WIRE LEADS
Load Capacitance In Picofarads21.0 MINIMUM AND 22.0 MAXIMUM
Drive Level Rating1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
Equivalent Resistance Value In Ohm2500.0 MAXIMUM
Frequency Stability In Percent-0.0005 TO 0.0005
Overall Length0.775 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 CR104/U545K0000 available?
We can source CR104/U545K0000 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 CR104/U545K0000 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CR104/U545K0000 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 CR104/U545K0000?
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 CR104/U545K0000?
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.