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0-21
Magnetika Inc. · Electronic Components
0-21
Transformer, Audio Frequency
Part Number0-21
ManufacturerMagnetika Inc.
AvailabilityAvailable to order
Specifications
NSN5950-01-257-8288 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Impedance Rating In Ohms8.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Length1.188 INCHES NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Nominal Thread Size0.086 INCHES SINGLE GROUP
Winding Operating Current4.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Body Outside Diameter0.875 INCHES NOMINAL
Terminal Type And Quantity5 TAB, SOLDER LUG
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 0-21 in stock?
We can source 0-21 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 0-21 by Magnetika Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 0-21 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 0-21?
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 0-21?
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.