Northrop Grumman Systems Corporation · Electronic Components
51C539A
Transformer, Radio Frequency
Part Number51C539A
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-263-0889 (NSN)
Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
Body Outside Diameter4.250 INCHES NOMINAL
Body Length5.500 INCHES NOMINAL
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Inclosure TypeOPEN
Turn Quantity24 SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodTERMINAL SINGLE GROUP
Terminal Type And Quantity5 BANANA PLUG
Frequency Rating3.5 MEGAHERTZ MINIMUM AND 4.5 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Coil Form TypeSOLID SINGLE COMPONENT
Vendor Part NumbersC388A
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 51C539A available?
We can source 51C539A 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 51C539A by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 51C539A 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 51C539A?
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 51C539A?
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.