Freed Transformer Co · Electronic Components
19931
Transformer, Audio Frequency
Part Number19931
ManufacturerFreed Transformer Co
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-648-2531 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Inclosure TypeHERMETICALLY SEALED
Impedance Rating In Ohms1000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center To Center Distance Between0.969 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Body Height2.500 INCHES NOMINAL
Body Length1.500 INCHES NOMINAL
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Primary To Secondary Turn Ratio1 TO 25 SINGLE COMPONENT
Terminal Type And Quantity5 STANDOFF, SOLDER LUG
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating400.0 HERTZ MAXIMUM SINGLE COMPONENT
Body Width1.500 INCHES NOMINAL
Cancelled NSN5950-00-256-9960 (cancelled)
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 19931 available?
We can source 19931 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 19931 by Freed Transformer Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 19931 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 19931?
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 19931?
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.