Cinch Connectivity Solutions Inc. · Electronic Components
290-9DB
Attenuator, Fixed
Part Number290-9DB
ManufacturerCinch Connectivity Solutions Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-215-2209 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
Overall Diameter0.280 INCHES NOMINAL
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
Operating Temp Range-65.0 TO 125.0 CELSIUS
Frequency Range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Overall Length0.860 INCHES NOMINAL
Voltage Standing Wave Ratio1.07
Mounting MethodCONNECTOR
Power Rating2.0 WATTS AVERAGE
Coaxial Connector Series DesignatiSMA
MaterialSTEEL CORROSION RESISTING BODY
Terminal Type And Quantity2 CONNECTOR
Vendor Part Numbers18A-9DB, 5L.5177.002.41
Cancelled NSN5985-01-333-8673 (cancelled)
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 290-9DB available?
We can source 290-9DB 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 290-9DB by Cinch Connectivity Solutions Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 290-9DB 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 290-9DB?
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 290-9DB?
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.