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Lucent Technologies Inc. Corporate Headquarters  · Electronic Components

221C

Reactor — Coils and Transformers

Part Number221C
ManufacturerLucent Technologies Inc. Corporate Headquarters
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Body Length1.750 INCHES NOMINAL
Body Width1.750 INCHES NOMINAL
Mounting Facility Quantity2 SINGLE GROUP
Terminal Type And Quantity2 WIRE LEAD
Winding Quantity1 SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Winding Operating Current45.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Inductance TypeFIXED
Dc Resistance Rating In Ohms175.000 SINGLE COMPONENT SINGLE WINDING
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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 221C available?
We can source 221C 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 221C by Lucent Technologies Inc. Corporate Headquarters obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 221C 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 221C?
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 221C?
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.