L3 Technologies · Electronic Components
12121
Coil, Radio Frequency
Part Number12121
ManufacturerL3 Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-041-6533 (NSN)
Federal Item NameCOIL,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Center To Center Distance Between2.060 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting Facility Quantity4 SINGLE GROUP
Mounting Hole Diameter0.202 INCHES NOMINAL SINGLE GROUP
Inductance Rating4.40 MILLIHENRIES MINIMUM SINGLE COMPONENT SINGLE WINDING
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Dc Resistance Rating In Ohms0.043 SINGLE COMPONENT SINGLE WINDING
Overall Length3.250 INCHES MAXIMUM
Coil Form TypeSOLID SINGLE COMPONENT
Terminal Type And Quantity2 COLLAR/RING
Reliability IndicatorNOT ESTABLISHED
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 12121 available?
We can source 12121 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 12121 by L3 Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 12121 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 12121?
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 12121?
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.