General Instrument Corporation · Electronic Components
A18
Attenuator, Variable
Part NumberA18
ManufacturerGeneral Instrument Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-138-5127 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Attenuation Per Step In Decibels6.0
Attenuation Variation MethodSTEPPED
Overall Attenuation Range In Decib+0.0 TO 18.0
Step Position Quantity3
Voltage Standing Wave Ratio1.38
Body StyleWAVEGUIDE TYPE
Impedance Rating In Ohms75.0 INPUT-OUTPUT
Application DesignTRANSMISSION LINE
Vendor Part Numbers10588665-1, 13030626
Cancelled NSN5999-00-967-1521 (cancelled)
ESD/EMICode B — 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 A18 available?
We can source A18 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 A18 by General Instrument Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A18 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 A18?
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 A18?
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.