Narda Holdings · Electronic Components
4572B
Attenuator, Variable
Part Number4572B
ManufacturerNarda Holdings
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-397-2039 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Coaxial Connector Series DesignatiSMA
Insertion Loss At Minimum Attenuat0.4
Application DesignTRANSMISSION LINE
Terminal Type And Quantity1 CONNECTOR, COAXIAL, FEMALE AND 1 MALE COAXIAL CONNECTOR
Overall Height0.531 INCHES MAXIMUM
Frequency Range3.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Mounting Facility Type And Quantit2 CONNECTOR
Adjustment Device Type And Quantit1 ELECTRONIC, VOLTAGE CONTROLLED
Overall Width0.531 INCHES MAXIMUM
Body StyleIRREGULAR
Overall Length1.660 INCHES MAXIMUM
ESD/EMICode A — ESD/EMI sensitive item
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 4572B available?
We can source 4572B 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 4572B by Narda Holdings obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4572B 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 4572B?
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 4572B?
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.