William Spencer · Electronic Components
61B0542
Transformer, Current
Part Number61B0542
ManufacturerWilliam Spencer
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-988-3633 (NSN)
Federal Item NameTRANSFORMER,CURRENT
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Body Length3.250 INCHES NOMINAL
Winding Operating Current5.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Width1.125 INCHES NOMINAL
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Terminal Type And Quantity2 THREADED HOLE
Installation For Which DesignedINDOOR NONPORTABLE
Distance Between Mounting Facility2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Vendor Part Numbers778-223
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 61B0542 available?
We can source 61B0542 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 61B0542 by William Spencer obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 61B0542 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 61B0542?
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 61B0542?
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.