Senior Operations LLC · Electronic Components
TRA23157
Transformer, Power
Part NumberTRA23157
ManufacturerSenior Operations LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-276-5191 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Winding Operating Voltage33.40 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Center To Center Distance Between1.375 INCHES NOMINAL ALL MOUNTING FACILITIES ALL CENTER GROUPINGS
Overall Height2.040 INCHES NOMINAL
Mounting MethodTHREADED STUD(S) ALL GROUPINGS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL GROUPINGS
Overall Width1.880 INCHES NOMINAL
Nominal Thread Size0.138 INCHES ALL GROUPINGS
Winding Function And Quantity1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE 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 TRA23157 available?
We can source TRA23157 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 TRA23157 by Senior Operations LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TRA23157 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 TRA23157?
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 TRA23157?
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.