Spectrum Control, Inc. · Electronic Components
18C-3
Attenuator, Fixed
Part Number18C-3
ManufacturerSpectrum Control, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-628-9988 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
Application DesignWAVEGUIDE
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Overall Length0.73 INCHES MINIMUM AND 0.79 INCHES MAXIMUM
Overall Diameter0.28 INCHES NOMINAL
MaterialBERYLLIUM COPPER (USE CUB000) AND STEEL CORROSION RESISTING BODY
Rf Signal Attenuation In Decibels18.0
Coaxial Connector Series DesignatiSMA
Terminal Type And Quantity2 CONNECTOR
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 18C-3 available?
We can source 18C-3 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 18C-3 by Spectrum Control, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 18C-3 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 18C-3?
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 18C-3?
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.