L3Harris Technologies · Electronic Components
G300378-1
Attenuator, Variable
Part NumberG300378-1
ManufacturerL3Harris Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-137-4859 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Mounting Facility Nominal Screw Th0.138 INCHES
Terminal Type And Quantity2 CONNECTOR, COAXIAL, FEMALE
Coaxial Connector Series DesignatiSMA
Body MaterialALUMINUM
Overall Attenuation Range In Decib+0.0 TO 10.0
Overall Length3.750 INCHES NOMINAL
Voltage Standing Wave Ratio1.50
Overall Attenuation Accuracy In De-0.50 TO 0.50
Insertion Loss At Minimum Attenuat0.5
Attenuation Variation MethodCONTINUOUS
Operating Temp Range-54.0 TO 75.0 CELSIUS
Vendor Part Numbers6684-10FS
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 G300378-1 available?
We can source G300378-1 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 G300378-1 by L3Harris Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If G300378-1 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 G300378-1?
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 G300378-1?
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.