Rockwell Collins · Electronic Components
278-0434-020
Transformer, Radio Frequency
Part Number278-0434-020
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-178-3253 (NSN)
Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Frequency Rating50.0 MEGAHERTZ NOMINAL SINGLE COMPONENT
Terminal Type And Quantity3 SOLDER STUD AND 1 WIRE LEAD
Overall Length0.750 INCHES NOMINAL
Overall Height0.500 INCHES NOMINAL
Inclosure TypeOPEN
Coil Form TypeHOLLOW SINGLE COMPONENT
Overall Width0.656 INCHES NOMINAL
Turn Quantity3 SINGLE COMPONENT ALL PRIMARY
Winding Function And Quantity1 PRIMARY SINGLE COMPONENT
Vendor Part NumbersCN20184
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 278-0434-020 available?
We can source 278-0434-020 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 278-0434-020 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 278-0434-020 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 278-0434-020?
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 278-0434-020?
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.