Dow-Key Microwave · Electronic Components
MPT-43278
Switch, Radio Frequency Transmiss
Part NumberMPT-43278
ManufacturerDow-Key Microwave
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-371-8914 (NSN)
Federal Item NameSWITCH,RADIO FREQUENCY TRANSMISS
Federal Supply Class5985 — Antennas and Waveguides
Body StyleRECTANGULAR
Switch Return Mechanism TypeLATCHING
Switch TypeTRANSFER
Actuator Operating MethodSOLID STATE
Coaxial Connector Series DesignatiSMA
Connector End DesignFEMALE
Switching Time10.0 MILLISECONDS
Frequency Rating18.0 GIGAHERTZ NOMINAL SINGLE FREQUENCY OPERATING
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S)
Coupling Position Quantity1
MaterialALUMINUM ALLOY 6061 BODY
Vendor Part NumbersGA-000051-001
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 MPT-43278 available?
We can source MPT-43278 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 MPT-43278 by Dow-Key Microwave obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MPT-43278 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 MPT-43278?
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 MPT-43278?
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.