Telephonics · Electronic Components
300C028-1
Transformer, Audio Frequency
Part Number300C028-1
ManufacturerTelephonics
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-542-2143 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Overall Length1.625 INCHES NOMINAL
Terminal Type And Quantity6 WIRE LEAD
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE GROUP
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Height0.875 INCHES MAXIMUM
Body Width1.000 INCHES MAXIMUM
Mounting Facility Quantity2 SINGLE GROUP
Primary To Secondary Turn Ratio1 TO 6 SINGLE COMPONENT
Distance Between Mounting Facility1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Body Length1.125 INCHES MAXIMUM
Vendor Part Numbers930101
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 300C028-1 available?
We can source 300C028-1 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 300C028-1 by Telephonics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 300C028-1 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 300C028-1?
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 300C028-1?
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.