Eaton Corporation · Electronic Components
1F0903
Transformer, Power
Part Number1F0903
ManufacturerEaton Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-381-8750 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Terminal Type And Quantity6 TAB W/SCREW
Mounting Facility Quantity4 SINGLE GROUP
Maximum Transformer Power Rating3.0 KILOVOLT-AMPERE SINGLE COMPONENT
Winding Operating Voltage230.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Reliability IndicatorNOT ESTABLISHED
Mounting MethodBRACKET(S) AND SLOT SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Function And Quantity2 PRIMARY AND 1 SECONDARY 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 1F0903 available?
We can source 1F0903 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 1F0903 by Eaton Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1F0903 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 1F0903?
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 1F0903?
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.