Vishay Hirel Systems LLC · Electronic Components
S4457
Transformer, Power
Part NumberS4457
ManufacturerVishay Hirel Systems LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-061-9795 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Overall Length2.030 INCHES MAXIMUM
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Inclosure TypePARTIALLY INCLOSED
Overall Width1.665 INCHES MINIMUM AND 1.695 INCHES MAXIMUM
Body Height1.437 INCHES NOMINAL
Overall Height1.380 INCHES MINIMUM AND 1.480 INCHES MAXIMUM
Mounting MethodFLANGE AND THREADED HOLE(S) SINGLE GROUP
Body Length1.875 INCHES NOMINAL
Mounting Facility Quantity4 SINGLE GROUP
Maximum Operating Temp130.0 CELSIUS
Vendor Part Numbers67044570
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 S4457 available?
We can source S4457 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 S4457 by Vishay Hirel Systems LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S4457 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 S4457?
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 S4457?
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.