Senior Operations LLC · Electronic Components
TRA21285A
Transformer, Power
Part NumberTRA21285A
ManufacturerSenior Operations LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-947-2354 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Center To Center Distance Between1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting Facility Quantity4 SINGLE GROUP
Winding Function And Quantity1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Winding Operating Voltage53.50 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Body Length2.680 INCHES NOMINAL
Thread Quantity Per Inch40 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Body Width2.210 INCHES NOMINAL
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Mounting MethodTHREADED HOLE(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 TRA21285A available?
We can source TRA21285A 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 TRA21285A by Senior Operations LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TRA21285A 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 TRA21285A?
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 TRA21285A?
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.