Electronic Transformer · Electronic Components
451-1
Transformer, Audio Frequency
Part Number451-1
ManufacturerElectronic Transformer
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-647-7968 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Thread Quantity Per Inch40 SINGLE GROUP
Terminal Type And Quantity6 TAB, SOLDER LUG
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Nominal Thread Size0.112 INCHES SINGLE GROUP
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating43.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Length1.750 INCHES NOMINAL
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Primary To Secondary Turn Ratio1 TO 1.57 SINGLE COMPONENT
Vendor Part Numbers705400REVA
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 451-1 available?
We can source 451-1 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 451-1 by Electronic Transformer obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 451-1 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 451-1?
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 451-1?
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.