Spectrum Control Inc. · Electronic Components
9918-20
Attenuator, Fixed
Part Number9918-20
ManufacturerSpectrum Control Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-109-9116 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
Output Impedance Rating In Ohms50.0
Body Length3.000 INCHES NOMINAL
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Input Impedance Rating In Ohms50.0
Rf Signal Attenuation In Decibels20.0
Frequency Range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Test Data Document18876-7916821-4 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTU
Vendor Part Numbers7916821-4
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 9918-20 available?
We can source 9918-20 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 9918-20 by Spectrum Control Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 9918-20 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 9918-20?
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 9918-20?
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.