Raytheon · Electronic Components
328728-1
Transformer, Power
Part Number328728-1
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-024-3489 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Winding Function And Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Winding Operating Current350.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Input Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Winding Operating Voltage3.50 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Center To Center Distance Between1.474 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Transformer Winding Connection TypWYE-WYE
Inclosure TypeFULLY INCLOSED
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 328728-1 available?
We can source 328728-1 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 328728-1 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 328728-1 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 328728-1?
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 328728-1?
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.