MIL-SPEC · Electronic Components
DA280U
Dummy Load, Electrical
Part NumberDA280U
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-889-4050 (NSN)
Federal Item NameDUMMY LOAD,ELECTRICAL
Federal Supply Class5985 — Antennas and Waveguides
Overall Length4.000 INCHES NOMINAL
Waveguide Flange DesignationUG-599/U
Termination TypeWAVEGUIDE FLANGE
Voltage Standing Wave Ratio1.20
Style DesignatorWAVEGUIDE MOUNTED
Power Rating22.000 KILOWATTS PEAK AND 50.000 WATTS AVERAGE
Operating PositionALL POSITIONS
Cooling MethodSELF-COOLED
Frequency Range Rating+26.500 TO 40.000 GIGAHERTZ
Voltage Standing Wave Ratio Freque+26.500 TO 40.000 GIGAHERTZ
Overall Width1.000 INCHES NOMINAL
Vendor Part Numbers1082
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 DA280U available?
We can source DA280U 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 DA280U by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If DA280U 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 DA280U?
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 DA280U?
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.