Electronic Transformer · Electronic Components
S21586A
Transformer, Power
Part NumberS21586A
ManufacturerElectronic Transformer
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-243-5765 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Center To Center Distance Between3.188 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Body Height5.000 INCHES NOMINAL
Inclosure TypeHERMETICALLY SEALED
Winding Operating Current4.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage5.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Nominal Thread Size0.190 INCHES SINGLE GROUP
Winding Function And Quantity1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Terminal Type And Quantity10 STANDOFF, SOLDER LUG
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 S21586A available?
We can source S21586A 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 S21586A by Electronic Transformer obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S21586A 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 S21586A?
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 S21586A?
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.