Payne Magnetics · Electronic Components
K-542
Reactor — Coils and Transformers
Part NumberK-542
ManufacturerPayne Magnetics
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-225-1900 (NSN)
Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Body Outside Diameter0.500 INCHES MAXIMUM
Winding Operating Current350.0 MILLIAMPERES DC MINIMUM AND 700.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inclosure TypeFULLY INCLOSED
Inductance Rating22.00 MICROHENRIES MINIMUM AND 43.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Maximum Operating Temp130.0 CELSIUS
Body Length0.355 INCHES MAXIMUM
Winding Quantity1 SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Frequency Rating15.75 KILOHERTZ NOMINAL SINGLE COMPONENT
Terminal Type And Quantity2 PIN
Vendor Part NumbersPR-K-542
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 K-542 available?
We can source K-542 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 K-542 by Payne Magnetics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If K-542 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 K-542?
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 K-542?
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.