Antenna & Radome Research Associates · Electronic Components
3843-20A
Attenuator, Variable
Part Number3843-20A
ManufacturerAntenna & Radome Research Associates
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-608-1270 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Shaft TypeROUND, SLOTTED
Shaft Diameter0.250 INCHES NOMINAL
Frequency Range1.25 GIGAHERTZ MINIMUM AND 1.35 GIGAHERTZ MAXIMUM
Overall Length2.500 INCHES NOMINAL
Coaxial Connector Series DesignatiSMA
Insertion Loss At Minimum Attenuat0.5
Overall Height0.560 INCHES NOMINAL
Terminal Type And Quantity3 CONNECTOR, COAXIAL, FEMALE
Power Rating5.0 WATTS AVERAGE
Overall Width2.000 INCHES NOMINAL
Overall Attenuation Range In Decib+0.0 TO 20.0
ESD/EMICode A — ESD/EMI sensitive item
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 3843-20A available?
We can source 3843-20A 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 3843-20A by Antenna & Radome Research Associates obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3843-20A 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 3843-20A?
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 3843-20A?
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.