Rockwell Collins · Electronic Components
278-0431-040
Transformer, Radio Frequency
Part Number278-0431-040
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-116-3676 (NSN)
Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Terminal Type And Quantity4 WIRE LEAD
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Turn Quantity1-2/3 SINGLE COMPONENT SINGLE SECONDARY
Maximum Operating Temp100.0 CELSIUS
Winding Conductor Size0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY
Coil Form TypeSOLID SINGLE COMPONENT
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
Body Length0.500 INCHES NOMINAL
Body Outside Diameter0.158 INCHES NOMINAL
Mounting MethodTERMINAL SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
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 278-0431-040 available?
We can source 278-0431-040 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 278-0431-040 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 278-0431-040 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 278-0431-040?
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 278-0431-040?
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.