Lockheed Martin Sippican · Electronic Components
2289P-1
Transformer, Power
Part Number2289P-1
ManufacturerLockheed Martin Sippican
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-234-8278 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage28.50 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Nominal Thread Size0.250 INCHES SINGLE GROUP
Winding Operating Current3.5 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Precious Material And LocationTERMINALS GOLD
Frequency Rating55.0 HERTZ MINIMUM AND 65.0 HERTZ MAXIMUM SINGLE COMPONENT
Body Height3.500 INCHES MAXIMUM
Winding Function And Quantity1 PRIMARY AND 6 SECONDARY SINGLE COMPONENT
Terminal Type And Quantity15 SOLDER STUD
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO TERMINAL SINGLE COMPONENT
Precious MaterialGOLD
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 2289P-1 available?
We can source 2289P-1 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 2289P-1 by Lockheed Martin Sippican obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2289P-1 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 2289P-1?
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 2289P-1?
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.