Dow-Key Microwave · Electronic Components
81DD1BB78B32
Switch, Radio Frequency Transmiss
Part Number81DD1BB78B32
ManufacturerDow-Key Microwave
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-690-6943 (NSN)
Federal Item NameSWITCH,RADIO FREQUENCY TRANSMISS
Federal Supply Class5985 — Antennas and Waveguides
Minimum Crosstalk Rating In Decibe70.0 FIRSTUNABLE TO DECODE
Coaxial Connector Series DesignatiSMA
Insertion Loss In Decibels0.50 FOURTHUNABLE TO DECODE
Overall Height1.75 INCHES NOMINAL
Voltage Standing Wave Ratio1.80 FIFTHUNABLE TO DECODE
Overall Width1.75 INCHES NOMINAL
Throw Quantity4
Pole Quantity1
Connector End DesignFEMALE
Mounting Facility Type And Quantit6 CONNECTOR
Unpackaged Unit Weight4.0 OUNCES
Vendor Part Numbers545J-5308-ROHS
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 81DD1BB78B32 available?
We can source 81DD1BB78B32 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 81DD1BB78B32 by Dow-Key Microwave obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 81DD1BB78B32 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 81DD1BB78B32?
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 81DD1BB78B32?
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.