Vishay Hirel Systems LLC · Electronic Components
S4381
Transformer, Power
Part NumberS4381
ManufacturerVishay Hirel Systems LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-044-5084 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Body Height1.375 INCHES NOMINAL
Body Width1.562 INCHES NOMINAL
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Nominal Thread Size0.099 INCHES SINGLE GROUP
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Reliability IndicatorNOT ESTABLISHED
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Terminal Type And Quantity4 WIRE LEAD
Vendor Part Numbers13212E8957
ESD/EMICode A — ESD/EMI sensitive item
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 S4381 available?
We can source S4381 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 S4381 by Vishay Hirel Systems LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S4381 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 S4381?
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 S4381?
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.