● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Telephonics Corp./PRD Instruments  · Electronic Components

S4420-30

Coupler, Directional

Part NumberS4420-30
ManufacturerTelephonics Corp./PRD Instruments
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCOUPLER,DIRECTIONAL
Federal Supply Class5985 — Antennas and Waveguides
Power Loss In Decibels20.0
Unit TypeTRANSMISSION LINE
Overall Length11.578 INCHES NOMINAL
Terminal Fitting Controlling AgencJETDS
Usage DesignMAIN LINE AND SECONDARY LINE TERMINAL FITTING
Overall Height0.875 INCHES NOMINAL
Overall Width2.875 INCHES NOMINAL
Identifying NumberTERMINAL FITTING TYPE N
Design TypeBIDIRECTIONAL
Radio Frequency Rating2.0 GIGAHERTZ MINIMUM AND 4.0 GIGAHERTZ MAXIMUM
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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

Frequently asked

Is S4420-30 available?
We can source S4420-30 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 S4420-30 by Telephonics Corp./PRD Instruments obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S4420-30 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 S4420-30?
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 S4420-30?
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.