Oeco, LLC · Electronic Components
R104388
Transformer, Power
Part NumberR104388
ManufacturerOeco, LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-157-7758 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Body Width2.870 INCHES MAXIMUM
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage440.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Input Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Terminal Type And Quantity7 SOLDER STUD
Center To Center Distance Between2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Nominal Thread Size0.138 INCHES SINGLE GROUP
Winding Operating Current400.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Maximum Transformer Power Rating9.0 WATTS SINGLE COMPONENT
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 R104388 available?
We can source R104388 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 R104388 by Oeco, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If R104388 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 R104388?
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 R104388?
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.