Magnetek Inc. Lighting Products Group · Electronic Components
F28U
Transformer, Power
Part NumberF28U
ManufacturerMagnetek Inc. Lighting Products Group
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-902-2348 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length3.812 INCHES NOMINAL
Body Width3.625 INCHES NOMINAL
Inclosure TypeOPEN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Center To Center Distance Between3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting Facility Quantity4 SINGLE GROUP
Mounting Slot Width0.188 INCHES NOMINAL SINGLE GROUP
Body Height4.625 INCHES NOMINAL
Winding Operating Current25.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
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 F28U available?
We can source F28U 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 F28U by Magnetek Inc. Lighting Products Group obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If F28U 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 F28U?
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 F28U?
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.