Caes Systems LLC · Electronic Components
4303
Coupler, Directional
Part Number4303
ManufacturerCaes Systems LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-285-8823 (NSN)
Federal Item NameCOUPLER,DIRECTIONAL
Federal Supply Class5985 — Antennas and Waveguides
Power Loss In Decibels0.1
Overall Height0.500 INCHES NOMINAL
Overall Length0.900 INCHES NOMINAL
Radio Frequency Rating7.3 GIGAHERTZ MINIMUM AND 8.4 GIGAHERTZ MAXIMUM
Overall Width0.380 INCHES NOMINAL
Vendor Part NumbersCA-1478
Round Conductor Size12 AWG ALL CONDUCTORS
Temp Rating-4.0 CELSIUS AND 80.0 CELSIUS
Voltage Rating600.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS
MaterialCOPPER FIRST POSITION TAPE CABLE
Conductor FormSTRANDED ALL CONDUCTORS
Conductor Quantity3
Cross Sectional Shape StyleROUND
ColorBLACK FIRST POSITION JACKET CABLE
Cross Section Outside Diameter0.445 INCHES NOMINAL
Strand Quantity Per Conductor19 ALL CONDUCTORS
Conductor Arrangement And Quantity3 SINGLES
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 4303 available?
We can source 4303 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 4303 by Caes Systems LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4303 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 4303?
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 4303?
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.