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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-B-542571
Transformer, Audio Frequency
Part NumberSM-B-542571
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-028-6694 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Inclosure TypeFULLY INCLOSED
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP
Distance Between Mounting Facility2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Impedance Rating In Ohms5000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Width1.438 INCHES NOMINAL
Terminal Type And Quantity4 WIRE LEAD
Mounting Hole Diameter0.187 INCHES NOMINAL SINGLE GROUP
Frequency Rating200.0 HERTZ MINIMUM AND 6.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Maximum Transformer Power Rating5.0 WATTS SINGLE COMPONENT
Winding Operating Current47.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity2 SINGLE 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 SM-B-542571 available?
We can source SM-B-542571 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 SM-B-542571 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-B-542571 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 SM-B-542571?
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 SM-B-542571?
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.