Reliance Comm/Tec Corp. Lorain Products Div · Electronic Components
4518-203
Transformer, Power
Part Number4518-203
ManufacturerReliance Comm/Tec Corp. Lorain Products Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-406-4185 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Frequency Rating20.0 HERTZ NOMINAL SINGLE COMPONENT
Body Width2.250 INCHES NOMINAL
Body Height2.500 INCHES NOMINAL
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type And Quantity20 TURRET
Winding Function And Quantity5 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP
Center To Center Distance Between1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Body Length3.938 INCHES NOMINAL
Cooling MethodSELF-COOLED
Mounting Facility Quantity4 SINGLE GROUP
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 4518-203 available?
We can source 4518-203 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 4518-203 by Reliance Comm/Tec Corp. Lorain Products Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4518-203 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 4518-203?
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 4518-203?
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.