● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Keystone Electronics  · Electronic Components

5221

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Part Number5221
ManufacturerKeystone Electronics
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCOIL,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Dc Resistance Rating In Ohms0.020 SINGLE COMPONENT SINGLE WINDING
Overall Diameter0.750 INCHES NOMINAL
Body Length2.000 INCHES NOMINAL
Coil Form TypeSOLID SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Turn Quantity30 SINGLE COMPONENT SINGLE WINDING
Inclosure TypeFULLY INCLOSED
Rating MethodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
Winding Conductor Size0.05082 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING
Winding Operating Current6.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inductance Rating4.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Vendor Part Numbers2086, BX18-4, A31139, SMB184243
Cancelled NSN5950-00-295-8281 (cancelled)
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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 5221 available?
We can source 5221 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 5221 by Keystone Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5221 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 5221?
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 5221?
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.