Keytronics, Inc. · Electronic Components
FA501
Reactor — Coils and Transformers
Part NumberFA501
ManufacturerKeytronics, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-952-3063 (NSN)
Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Inclosure TypeOPEN
Dc Resistance Rating In Ohms4.200 SINGLE COMPONENT SINGLE WINDING
Body Height0.468 INCHES NOMINAL
Winding Quantity1 SINGLE COMPONENT
Terminal Type And Quantity2 WIRE LEAD
Body Width0.531 INCHES NOMINAL
Inductance Rating10.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
Body Length0.593 INCHES NOMINAL
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Inductance TypeFIXED
Winding Operating Current80.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
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 FA501 available?
We can source FA501 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 FA501 by Keytronics, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FA501 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 FA501?
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 FA501?
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.