Microsemi Corp. - High Performance Timing · Electronic Components
5270303
Crystal Unit, Quartz
Part Number5270303
ManufacturerMicrosemi Corp. - High Performance Timing
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-434-8935 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Controlled Reference Temp78.0 CELSIUS
Mode Of OscillationTHIRD OVERTONE
Precious Material And LocationLEAD SURFACES GOLD
Frequency Tolerance For Operating-0.0001 TO 0.0001
Operable Temp Range+54.0 TO 90.0 CELSIUS
Precious MaterialGOLD
Operating Temp Range+60.0 TO 90.0 CELSIUS
Equivalent Resistance Value In Ohm60.0 MAXIMUM
Specified Frequency805.000 MEGAHERTZ
Circuit ResonanceSERIES RESONANCE
Shunt Capacitance In Picofarads3.0 MINIMUM AND 4.0 MAXIMUM
Vendor Part NumbersK3173-2B, H950055-002B
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 5270303 available?
We can source 5270303 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 5270303 by Microsemi Corp. - High Performance Timing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5270303 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 5270303?
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 5270303?
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.