Merrimac Industries · Electronic Components
AU25A
Attenuator, Variable
Part NumberAU25A
ManufacturerMerrimac Industries
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-045-8760 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Power Rating4.0 WATTS AVERAGE
Terminal Type And Quantity1 MALE COAXIAL CONNECTOR AND 1 CONNECTOR, COAXIAL, FEMALE
Adjustment Device Type And Quantit1 SHAFT
Mounting Facility Screw Thread SerUNIFIED NATIONAL COARSE (UNC)
Shaft Diameter0.250 INCHES NOMINAL
Coaxial Connector Series DesignatiN
Impedance Rating In Ohms50.0 INPUT-OUTPUT
Overall Height3.800 INCHES MAXIMUM
Overall Width1.000 INCHES NOMINAL
Overall Attenuation Range In Decib+0.0 TO 30.0
Voltage Standing Wave Ratio1.50
Vendor Part Numbers352250023136
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 AU25A available?
We can source AU25A 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 AU25A by Merrimac Industries obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AU25A 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 AU25A?
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 AU25A?
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.