Electronic Transformer · Electronic Components
S21589A
Transformer, Power
Part NumberS21589A
ManufacturerElectronic Transformer
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-231-5270 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Inclosure TypeHERMETICALLY SEALED
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Center To Center Distance Between3.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current18.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Terminal Type And Quantity5 STANDOFF INSULATOR
Nominal Thread Size0.164 INCHES SINGLE GROUP
Body Height3.875 INCHES NOMINAL
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 S21589A available?
We can source S21589A 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 S21589A by Electronic Transformer obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S21589A 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 S21589A?
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 S21589A?
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.