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Thordarson Inc.  · Electronic Components

TR263

Transformer, Audio Frequency

Part NumberTR263
ManufacturerThordarson Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Distance Between Mounting Facility1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Transformer FunctionINTERSTAGE
Mounting Facility Quantity2 SINGLE GROUP
Frequency Rating100.0 HERTZ MINIMUM AND 22.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Impedance Rating In Ohms500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Reliability IndicatorNOT ESTABLISHED
Overall Length1.625 INCHES NOMINAL
Terminal Type And Quantity6 WIRE LEAD
Winding Operating Current10.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Maximum Transformer Power Rating200.0 MILLIWATTS SINGLE COMPONENT
Overall Width1.000 INCHES NOMINAL
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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 TR263 available?
We can source TR263 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 TR263 by Thordarson Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TR263 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 TR263?
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 TR263?
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.