Keysight Technologies · Electronic Components
E21-5065A
Frequency Standard
Part NumberE21-5065A
ManufacturerKeysight Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-004-7450 (NSN)
Federal Item NameFREQUENCY STANDARD
Federal Supply Class6625 — Test Instruments
Ac Voltage Rating115.0 VOLTS NOMINAL AND 220.0 VOLTS NOMINAL
Overall Height14.000 INCHES NOMINAL
Overall Width16.750 INCHES NOMINAL
Unpackaged Unit Weight110.000 POUNDS MAXIMUM
Reference Data And Literature33A1-5-386-1
Functional DescriptionPRECISE FREQUENCY SOURCE FOR SYSTEMS OPERATING IN THE RADIO SPECTRUM; COHERENT SIGNAL SOURCES OF ALL TYPES; PRECISION TI
PhaseSINGLE
Frequency Range Rating+0.100 TO 5.000 MEGAHERTZ
Overall Depth18.375 INCHES NOMINAL
Dc Voltage Rating23.0 VOLTS MINIMUM AND 30.0 VOLTS MAXIMUM
Frequency Rating50.0 HERTZ MINIMUM AND 400.0 HERTZ 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 E21-5065A available?
We can source E21-5065A 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 E21-5065A by Keysight Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If E21-5065A 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 E21-5065A?
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 E21-5065A?
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.