Spectrum Control, Inc. · Electronic Components
18A-09
Attenuator, Fixed
Part Number18A-09
ManufacturerSpectrum Control, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-628-0554 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
Application DesignTRANSMISSION LINE
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
Overall Length0.86 INCHES NOMINAL
Mounting MethodCONNECTOR
Output Impedance Rating In Ohms50.0
Overall Diameter7.1 MILLIMETERS NOMINAL
Rf Signal Attenuation In Decibels9.0
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Coaxial Connector Series DesignatiTNC
Input Impedance Rating In Ohms50.0
Operating Temp Range-65.0 TO 125.0 CELSIUS
ESD/EMICode A — ESD/EMI sensitive item
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 18A-09 available?
We can source 18A-09 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 18A-09 by Spectrum Control, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 18A-09 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 18A-09?
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 18A-09?
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.