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Times Microwave Systems  · Electronic Components

A-A1257

Cable, Radio Frequency

Part NumberA-A1257
ManufacturerTimes Microwave Systems
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCABLE,RADIO FREQUENCY
Federal Supply Class6145 — Wire and Cable, Electrical
Round Conductor Size13 AWG SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Nominal Capacitance In Picofarads29.5 PER FOOT
Conductor Arrangement And Quantity1 TRIAXIAL
Strand Awg Size Per Conductor21 SINGLE CONDUCTOR
Voltage Rating4000.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
Strand Quantity Per Conductor7 SINGLE CONDUCTOR
Cross Section Outside Diameter0.490 INCHES NOMINAL
Conductor FormSTRANDED SINGLE CONDUCTOR
Cross Sectional Shape StyleROUND
Conductor Quantity1
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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

Frequently asked

Is A-A1257 available?
We can source A-A1257 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 A-A1257 by Times Microwave Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A-A1257 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 A-A1257?
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 A-A1257?
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.