Keysight Technologies Inc. · Electronic Components
8491B-003
Attenuator, Fixed
Part Number8491B-003
ManufacturerKeysight Technologies Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-455-4487 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
Application DesignTRANSMISSION LINE
Connection Type Per FunctionMALE INPUT AND FEMALE OUTPUT
Input Impedance Rating In Ohms50.0
Rf Signal Attenuation In Decibels3.0
Power Rating2.0 WATTS AVERAGE AND 100.0 WATTS PEAK
Output Impedance Rating In Ohms50.0
Voltage Standing Wave Ratio1.20 AND 1.30 AND 1.50
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Attenuation Accuracy In Decibels-0.30 TO 0.30
Overall Length2.438 INCHES NOMINAL
Voltage Standing Wave Ratio Freque+0.0 TO 8.0 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ
Vendor Part NumbersATT-0219-03-NNN-02, 2-3, 18N-03, A-3252
Cancelled NSN5985-01-045-8471 (cancelled)
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 8491B-003 available?
We can source 8491B-003 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 8491B-003 by Keysight Technologies Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 8491B-003 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 8491B-003?
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 8491B-003?
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.