Freed Transformer · Electronic Components
37121
Reactor — Coils and Transformers
Part Number37121
ManufacturerFreed Transformer
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-070-7993 (NSN)
Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Mounting Facility Quantity1 SINGLE GROUP
Inductance Rating20.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Dc Resistance Rating In Ohms80.000 SINGLE COMPONENT SINGLE WINDING
Winding Operating Current20.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inclosure TypeFULLY INCLOSED
Inductance TypeFIXED
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Overall Diameter1.188 INCHES NOMINAL
Body Length0.500 INCHES NOMINAL
Winding Quantity1 SINGLE COMPONENT
Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE GROUP
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 37121 available?
We can source 37121 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 37121 by Freed Transformer obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 37121 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 37121?
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 37121?
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.