Electronic Transformer · Electronic Components
S273
Reactor — Coils and Transformers
Part NumberS273
ManufacturerElectronic Transformer
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-157-3785 (NSN)
Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Body Height4.125 INCHES NOMINAL
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Body Width3.250 INCHES NOMINAL
Body Length4.500 INCHES NOMINAL
Inductance Rating6.05 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
Terminal Type And Quantity2 WIRE LEAD
Nominal Thread Size0.190 INCHES SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Inclosure TypePARTIALLY INCLOSED, HALF SHELL
Center To Center Distance Between3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER 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 S273 available?
We can source S273 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 S273 by Electronic Transformer obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S273 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 S273?
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 S273?
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.