Telonic Berkeley, Inc. · Electronic Components
8121S
Attenuator, Variable
Part Number8121S
ManufacturerTelonic Berkeley, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-520-3974 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Terminal Type And Quantity2 MALE COAXIAL CONNECTOR
Application DesignTRANSMISSION LINE
Overall Width1.310 INCHES NOMINAL
Attenuation Variation MethodSTEPPED
Attenuation Per Step In Decibels10.0
Insertion Loss At Minimum Attenuat0.2
Mounting Thread Quantity32 PER INCH
Voltage Standing Wave Ratio1.30
Shaft Diameter0.250 INCHES NOMINAL
Overall Length3.200 INCHES NOMINAL
Frequency Range0.000 HERTZ MINIMUM AND 2.000 GIGAHERTZ MAXIMUM
Vendor Part Numbers228076-4
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 8121S available?
We can source 8121S 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 8121S by Telonic Berkeley, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 8121S 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 8121S?
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 8121S?
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.