Westinghouse Electric Corp. · Electronic Components
309B128
Reactor — Coils and Transformers
Part Number309B128
ManufacturerWestinghouse Electric Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-054-0410 (NSN)
Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Body Length4.375 INCHES NOMINAL
Inductance TypeFIXED
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Mounting Hole Diameter0.312 INCHES NOMINAL SINGLE GROUP
Body Width3.562 INCHES NOMINAL
Terminal Type And Quantity2 THREADED STUD
Center To Center Distance Between4.187 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Inclosure TypeHERMETICALLY SEALED
Body Height3.062 INCHES NOMINAL
Dc Resistance Rating In Ohms8.000 SINGLE COMPONENT SINGLE WINDING
Inductance Rating700.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
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 309B128 available?
We can source 309B128 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 309B128 by Westinghouse Electric Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 309B128 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 309B128?
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 309B128?
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.