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Electronic Transformer Corp.  · Electronic Components

257401

Transformer, Audio Frequency

Part Number257401
ManufacturerElectronic Transformer Corp.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Mounting MethodPLUG-IN AND TAB SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Current100.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Terminal Type And Quantity5 PIN
Impedance Rating In Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Tab Width0.125 INCHES NOMINAL
Body Length1.063 INCHES NOMINAL
Body Width0.906 INCHES NOMINAL
Body Height0.750 INCHES NOMINAL
Vendor Part NumbersPEI 9233
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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

Frequently asked

Is 257401 available?
We can source 257401 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 257401 by Electronic Transformer Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 257401 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 257401?
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 257401?
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.