Olympus America Inc. · Electronic Components
A990001
Transformer, Audio Frequency
Part NumberA990001
ManufacturerOlympus America Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-504-9821 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Body Height1.125 INCHES NOMINAL
Body Width0.750 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Transformer FunctionINPUT
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Terminal Type And Quantity7 SOLDER STUD
Distance Between Mounting Facility0.844 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Thread Quantity Per Inch40 SINGLE GROUP
Body Length0.750 INCHES NOMINAL
Impedance Rating In Ohms50.0 NOMINAL AND 250.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity2 SINGLE GROUP
Cancelled NSN5950-00-374-3461 (cancelled)
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 A990001 available?
We can source A990001 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 A990001 by Olympus America Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A990001 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 A990001?
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 A990001?
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.