Lucent Technologies Inc. Corporate Headquarters · Electronic Components
289A
Transformer, Radio Frequency
Part Number289A
ManufacturerLucent Technologies Inc. Corporate Headquarters
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-647-8942 (NSN)
Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Nominal Thread Size0.138 INCHES SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Distance Between Mounting Facility1.656 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Reliability IndicatorNOT ESTABLISHED
Inductance Rating100.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Height1.531 INCHES NOMINAL
Body Length2.594 INCHES NOMINAL
Terminal Type And Quantity6 TAB, SOLDER LUG
Coil Form TypeSOLID SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Cancelled NSN5950-00-235-7182 (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 289A available?
We can source 289A 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 289A by Lucent Technologies Inc. Corporate Headquarters obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 289A 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 289A?
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 289A?
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.