Thordarson Inc. · Electronic Components
PT54990
Transformer, Power
Part NumberPT54990
ManufacturerThordarson Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-900-0005 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Overall Length2.750 INCHES NOMINAL
Mounting Facility Quantity4 SINGLE GROUP
Overall Height4.187 INCHES NOMINAL
Winding Operating Current60.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Overall Width2.375 INCHES NOMINAL
Maximum Operating Temp105.0 CELSIUS
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Voltage110.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Height3.812 INCHES NOMINAL
Mounting MethodTHREADED STUD(S) 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 PT54990 available?
We can source PT54990 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 PT54990 by Thordarson Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If PT54990 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 PT54990?
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 PT54990?
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.