Telephone Company Of America Incorporated · Electronic Components
D9203
Transformer, Audio Frequency
Part NumberD9203
ManufacturerTelephone Company Of America Incorporated
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-239-9505 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Impedance Rating In Ohms8000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Transformer FunctionINPUT
Center To Center Distance Between1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Length2.250 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity4 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Primary To Secondary Turn Ratio1 TO 1-5/16 SINGLE COMPONENT
Nominal Thread Size0.164 INCHES SINGLE GROUP
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 D9203 available?
We can source D9203 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 D9203 by Telephone Company Of America Incorporated obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If D9203 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 D9203?
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 D9203?
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.