L3Harris Technologies, Inc. · Electronic Components
357299-10
Attenuator, Fixed
Part Number357299-10
ManufacturerL3Harris Technologies, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-293-3323 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
Input Impedance Rating In Ohms50.0
Coaxial Connector Series DesignatiSMA
FSC Application DataTRANMISSION LINES
Overall Diameter0.360 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
Rf Signal Attenuation In Decibels5.0
Output Impedance Rating In Ohms50.0
Frequency Range0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
Operating Temp Range-40.0 TO 95.0 CELSIUS
Voltage Standing Wave Ratio1.15 AND 1.30
Attenuation Accuracy In Decibels-0.30 TO 0.30
Power Rating2.0 WATTS AVERAGE
Vendor Part Numbers4778-5
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 357299-10 available?
We can source 357299-10 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 357299-10 by L3Harris Technologies, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 357299-10 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 357299-10?
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 357299-10?
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.