General Instrument Corporation · Electronic Components
FAM-3
Attenuator, Fixed
Part NumberFAM-3
ManufacturerGeneral Instrument Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-138-3454 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Overall Length2.500 INCHES NOMINAL
Terminal Type And Quantity2 CONNECTOR
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Attenuation Accuracy In Decibels-0.30 TO 0.30
Output Impedance Rating In Ohms75.0
Frequency Range0.000 HERTZ MINIMUM AND 890.000 MEGAHERTZ MAXIMUM
Rf Signal Attenuation In Decibels3.00
Voltage Standing Wave Ratio1.20
Mounting MethodCONNECTOR
Input Impedance Rating In Ohms75.0
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 FAM-3 available?
We can source FAM-3 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 FAM-3 by General Instrument Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FAM-3 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 FAM-3?
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 FAM-3?
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.