MIL-SPEC · Electronic Components
CR77U55-48333MHZ
Crystal Unit, Quartz
Part NumberCR77U55-48333MHZ
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-055-7864 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Body Thickness0.150 INCHES MAXIMUM
Specified Frequency55.48333 MEGAHERTZ
Overall Length0.778 INCHES MAXIMUM
Mode Of OscillationTHIRD OVERTONE
Terminal Diameter0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM
Style DesignatorOVAL BODY, PIN TERMINALS
Drive Level Rating1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
Center To Center Distance Between0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
Frequency Tolerance For Operating-0.002 TO 0.002 AND -0.003 TO 0.003
Test Data Document81349-MILC3098 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA
Equivalent Resistance Value In Ohm40.0 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 CR77U55-48333MHZ available?
We can source CR77U55-48333MHZ 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 CR77U55-48333MHZ by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CR77U55-48333MHZ 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 CR77U55-48333MHZ?
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 CR77U55-48333MHZ?
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.