Microwave Development Laboratories · Electronic Components
90LW339
Dummy Load, Electrical
Part Number90LW339
ManufacturerMicrowave Development Laboratories
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-951-6902 (NSN)
Federal Item NameDUMMY LOAD,ELECTRICAL
Federal Supply Class5985 — Antennas and Waveguides
Frequency Range Rating+9.000 TO 10.000 GIGAHERTZ
Cooling MethodSELF-COOLED
Termination TypeWAVEGUIDE FLANGE
Operating PositionALL POSITIONS
Waveguide Flange DesignationUG135/U
Style DesignatorWAVEGUIDE MOUNTED
Power Rating4.000 WATTS AVERAGE
Voltage Standing Wave Ratio1.15
Voltage Standing Wave Ratio Freque+9.000 TO 10.000 GIGAHERTZ
Body Width1.625 INCHES NOMINAL
Ambient Temp At Full Rated Power55.0 CELSIUS
Vendor Part Numbers253363
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 90LW339 available?
We can source 90LW339 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 90LW339 by Microwave Development Laboratories obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 90LW339 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 90LW339?
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 90LW339?
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.