Merrimac Industries · Electronic Components
AUM-25A/42633
Attenuator, Variable
Part NumberAUM-25A/42633
ManufacturerMerrimac Industries
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-145-8694 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Voltage Standing Wave Ratio1.50
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S)
Center To Center Distance Between1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM
Impedance Rating In Ohms50.0 INPUT-OUTPUT
Insertion Loss At Minimum Attenuat0.5
Overall Length3.470 INCHES MINIMUM AND 3.530 INCHES MAXIMUM
Frequency Range0.500 GIGAHERTZ MINIMUM AND 8.000 GIGAHERTZ MAXIMUM
Coaxial Connector Series DesignatiSMA
Mounting Facility PatternFOUR POSITION RECTANGULAR
Power Rating2.0 WATTS AVERAGE
Adjustment Device Type And Quantit1 SLOTTED SCREW
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 AUM-25A/42633 available?
We can source AUM-25A/42633 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 AUM-25A/42633 by Merrimac Industries obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AUM-25A/42633 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 AUM-25A/42633?
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 AUM-25A/42633?
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.