Standex Electronics, Inc. · Electronic Components
11643
Transformer, Power
Part Number11643
ManufacturerStandex Electronics, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-149-5230 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Maximum Operating Temp85.0 CELSIUS
Winding Operating Voltage4.25 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Length1.312 INCHES MAXIMUM
Nominal Thread Size0.138 INCHES SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Body Width1.312 INCHES MAXIMUM
Body Height1.750 INCHES MAXIMUM
Inclosure TypeHERMETICALLY SEALED
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Vendor Part Numbers143040
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 11643 available?
We can source 11643 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 11643 by Standex Electronics, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 11643 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 11643?
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 11643?
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.