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Kontron Europe Gmbh  · Electronic Components

1B3

Attenuator Assembly

Part Number1B3
ManufacturerKontron Europe Gmbh
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameATTENUATOR ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Vendor Part Numbers2897491-1
Overall Width9.750 INCHES NOMINAL
Input Impedance Per Function W Loa50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
Functional Terminal Type And Quant1 WIRE LEAD GROUND THIRD FUNCTION
Power Line Frequency Rating Per Fu400.0 1ST RADIO INTERFERENCE FIRST FUNCTION
Operating Current Rating Per Funct1.0 1ST RADIO INTERFERENCE FIRST FUNCTION
Principal Circuitry Type Per FunctINDUCTANCE-CAPACITANCE 2ND RADIO INTERFERENCE SECOND FUNCTION
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
Operating Voltage Rating And Type230.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
Overall Height0.650 INCHES NOMINAL
Overall Length2.500 INCHES NOMINAL
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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

Frequently asked

Is 1B3 available?
We can source 1B3 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 1B3 by Kontron Europe Gmbh obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1B3 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 1B3?
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 1B3?
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.