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Westinghouse Electric  · Electronic Components

128C813H01

Attenuator, Variable

Part Number128C813H01
ManufacturerWestinghouse Electric
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Distance Between Mounting Facility1.062 INCHES NOMINAL
Body StyleCOAXIAL TYPE
Overall Length2.562 INCHES NOMINAL
Coaxial Connector Series DesignatiSMA
Overall Attenuation Range In Decib+0.0 TO 10.0
Impedance Rating In Ohms50.0 INPUT-OUTPUT
Adjustment Device Type And Quantit1 KNOB
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Terminal Type And Quantity2 CONNECTOR, COAXIAL, FEMALE
Overall Height2.188 INCHES NOMINAL
Attenuation Variation MethodSTEPPED
Vendor Part Numbers3803-50521, 3803-50521-40-4
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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 128C813H01 available?
We can source 128C813H01 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 128C813H01 by Westinghouse Electric obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 128C813H01 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 128C813H01?
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 128C813H01?
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.