Surface Combustion Inc. · Electronic Components
54A33
Transformer, Power
Part Number54A33
ManufacturerSurface Combustion Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-552-0851 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Center To Center Distance Between4.941 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current20.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Voltage6.00 AC KILOVOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Mounting Hole Diameter0.281 INCHES NOMINAL SINGLE GROUP
Body Width3.161 INCHES NOMINAL
Body Length4.489 INCHES NOMINAL
Terminal Type And Quantity1 COMPONENT SOCKET AND 2 THREADED STUD
Vendor Part Numbers70G458, 9T39Y4001, K5808498BB
Cancelled NSN5950-00-153-4798 (cancelled)
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 54A33 available?
We can source 54A33 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 54A33 by Surface Combustion Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 54A33 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 54A33?
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 54A33?
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.