● 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
Meggitt (New Hampshire), Inc.  · Electronic Components

RFB540-73

Attenuator, Variable

Part NumberRFB540-73
ManufacturerMeggitt (New Hampshire), Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Overall Width1.031 INCHES NOMINAL
Impedance Rating In Ohms73.0 INPUT-OUTPUT
Overall Attenuation Accuracy In De-0.10 TO 0.10
Mounting Facility Nominal Screw Th0.190 INCHES
Mounting Facility PatternTWO POSITION IN-LINE
Mounting Facility Type And Quantit2 THREADED HOLE(S)
Mounting Facility Screw Thread SerUNF
Overall Attenuation Range In Decib+0.0 TO 10.0
Mounting Thread Quantity32 PER INCH
Attenuation Per Step In Decibels1.0 AND 2.0 AND 3.0 AND 4.0
Attenuation Variation MethodSTEPPED
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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 RFB540-73 available?
We can source RFB540-73 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 RFB540-73 by Meggitt (New Hampshire), Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RFB540-73 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 RFB540-73?
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 RFB540-73?
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.