Espey Mfg and Electronics · Electronic Components
SI-142-P
Transformer, Power
Part NumberSI-142-P
ManufacturerEspey Mfg and Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-013-2480 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage41.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Function And Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Center To Center Distance Between3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Body Length5.500 INCHES NOMINAL
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Current4.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Body Height7.250 INCHES NOMINAL
Inclosure TypeHERMETICALLY SEALED
Nominal Thread Size0.250 INCHES SINGLE GROUP
Thread Quantity Per Inch20 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 SI-142-P available?
We can source SI-142-P 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 SI-142-P by Espey Mfg and Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SI-142-P 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 SI-142-P?
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 SI-142-P?
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.