Charter Engineering, Inc. · Electronic Components
CS18-20
Attenuator, Fixed
Part NumberCS18-20
ManufacturerCharter Engineering, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-527-0674 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
MaterialSTEEL CORROSION RESISTING BODY
Terminal Type And Quantity2 CONNECTOR
Frequency Range0.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Power Rating250.0 WATTS PEAK
Overall Length0.830 INCHES MINIMUM AND 0.890 INCHES MAXIMUM
Voltage Standing Wave Ratio1.35
Coaxial Connector Series DesignatiSMA
Overall Diameter0.360 INCHES NOMINAL
Mounting MethodCONNECTOR
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
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 CS18-20 available?
We can source CS18-20 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 CS18-20 by Charter Engineering, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CS18-20 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 CS18-20?
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 CS18-20?
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.