CAES Systems · Electronic Components
A303M
Attenuator, Fixed
Part NumberA303M
ManufacturerCAES Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-199-0476 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
Surface TreatmentGOLD PLATED (USE AUA000) AND (USE MRC CBCL) AND NICKEL BODY
Application DesignTRANSMISSION LINE
Mounting MethodTERMINAL
Coaxial Connector Series DesignatiOSM
Attenuation Accuracy In Decibels-0.015 TO 0.015
Overall Diameter0.385 INCHES NOMINAL
Rf Signal Attenuation In Decibels3.0
Terminal Type And Quantity2 CONNECTOR
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Connection Type Per FunctionFEMALE OUTPUT AND MALE INPUT
Output Impedance Rating In Ohms50.0
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 A303M available?
We can source A303M 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 A303M by CAES Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A303M 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 A303M?
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 A303M?
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.